September Weather in Gibraltar - 2024
The small British settlement of Gibraltar is a mystical place to be. The town resides on the west side of the 'Rock of Gibraltar' and features an extraordinary collection of deep history and culture. Casually resting on the southern tip of the Iberian Peninsula, Gibraltar has called upon many travel enthusiasts who look forward to a unique and memorable experience. It is preferred by many snowbirds for its friendly climate, compact size, and amusing placement as even though the town is bordered by Spain, it is British to the core. The town is perfect for a fascinating little winter escape.
Generally, September in Gibraltar will be really nice, with an average temperature of around 84°F / 29°C. As the humidty is low, it will feel very comfortable. You can expect around 4 rainy days, with on average 0.8 inches / 20 mm of rain during the month of September.

Contents
- 1 September weather in Gibraltar
- 2 September weather in Gibraltar in more detail
- 2.1 - What will the temperature be in Gibraltar in September
- 2.2 - Can you expect rain in September in Gibraltar?
- 2.3 - What will the water temperature be in Gibraltar for September
- 2.4 - Can you expect in September a lot of sunny days in Gibraltar
- 2.5 - Will it be comfortable in September in Gibraltar?
- 3 What to do in Gibraltar in September
- 4 Is it humid in Gibraltar in September?
- 5 Is September a good time to go to Gibraltar?
- 6 Does it rain all day in Gibraltar in September?
- 7 Is September the rainiest month in Gibraltar?
- 8 Is September the most sunniest month in Gibraltar?
- 9 More information about Gibraltar
- 10 Weather in Gibraltar in other months
- 11 What to do in Gibraltar for each month
September weather in Gibraltar
To get a good overview of the type of weather you can expect in September in Gibraltar, we will look at the day and night temperature, minimum and maximum water temperature, and if September is comfortable or humidGenerally, September in Gibraltar will be really nice. Historical data shows that you can expect an average temperature of around 84°F / 29°C. As the humidty is low, it will feel very comfortable. During the night, it will cool down to around 64°F / 18°C.
Gibraltar has some rainy days in September. You can expect around 4 rainy days, with on average 0.8 inches / 20 mm of rain during the whole month.



September weather in Gibraltar in more detail
To get a better feeling for the type of weather, you can expect in September in Gibraltar, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds- What will the temperature be in Gibraltar in September
Generally, you can expect in September an average temperature of 84°F / 29°C during the day and an average of 64°F / 18°C during the night. In September, during the warmest part of the afternoon, the temperature can often get as high as 96°F / 36°C, and at the end of the night, it can get as low as 59°F / 15°C.
When looking at the whole year, January is the coldest month, with an average temperature of around 60°F / 16°C. July and August are the hottest months, with an average temperature of around 93°F / 34°C. When comparing September with the temperature in the month before and after, this is slightly lower than August, which sees an average maximum temperature of around 93°F / 34°C. And slightly more than October, which sees an average maximum temperature of around 77°F / 25°C.
But average temperatures only tell half of the story. It is also good to check the maximum and minimum temperatures. When looking at the whole year, July and August are the hottest months, with a temperature of around 104°F / 40°C. January is the coldest month, with a temperature of around 69°F / 21°C. When comparing September with the temperature in the month before and after, this is slightly lower than August, which sees an average maximum temperature of around 104°F / 40°C. And slightly more than October, which sees an average maximum temperature of around 87°F / 31°C.
In the following graph, you can see how many cold and hot days you can expect in Gibraltar each month:
- Can you expect rain in September in Gibraltar?
Generally, you can expect about 4 rain days in September, with on average 0.8 inches / 20 mm of rain.
When looking at the whole year, July is the dryest month, with an average rainfall of around 0.1 inches / 2 mmmm. December is the wettest month, with an average rainfall of around 5 inches / 126 mmmm. When comparing September with the month before and after, this is a lot more than August, which sees around 0.1 inches / 3 mm of rain. And a lot less than October, which sees around 2.4 inches / 60 mm of rain
If we look at the number of days with rain, July is the month with the least amount of rain days with an average of between 0 and 1 days. December is the month with the most rain days with an average of between 9 and 10 days. When comparing September with the month before and after, this is slightly more than August, which sees an average of between 1 and 2 days of rain. And slightly less than October, which sees an average of between 7 and 8 days of rain
- What will the water temperature be in Gibraltar for September
You can expect in September, the water temperature for Gibraltar to be between 75°F / 24°C and 68°F / 20°C.
To compare the water temperature we will use the maximum water temperature. You can expect this temperature on a more sunny day, close to the shore, when the wind does not mix the relatively warmer and colder water.
August has the highest water temperature, with an average of between 75°F / 24°C and 77°F / 25°C. February has the lowest water temperature, with around 62°F / 17°C. When comparing the water temperature from September with the month before and after, September has a water temperature almost equal to August, with a water temperature of an average of between 75°F / 24°C and 77°F / 25°C. And almost equal to the water temperature from October, that is an average of between 71°F / 22°C and 73°F / 23°C.
- Can you expect in September a lot of sunny days in Gibraltar
Generally, you can expect around 7 sunny days in September and around 21 partly sunny days. The remaining days will be cloudy.
When looking at the whole year, June is the month with the highest number of sunny days, with around 11 sunny days. October is the month with the lowest number of sunny days, with an average of between 6 and 7 sunny days. When comparing September with the number of sunny days in the month before and after, it is slightly lower than August, with around 10 sunny days. And almost equal to October, with an average of between 6 and 7 sunny days
We have looked at the sunny days in Gibraltar. Let's also look at the cloudy or overcast days. December is the month with the highest number of cloudy days, with an average of between 9 and 10 cloudy days. July is the month with the lowest number of cloudy days, with an average of between 0 and 1 cloudy days. When comparing September with the number of cloudy days in the month before and after, it is almost equal to August, with around 1 cloudy day. And slightly less than October, with an average of between 6 and 7 cloudy days
- Will it be comfortable in September in Gibraltar?
Generally, September in Gibraltar will have a low humidty, and will feel very comfortable.
We use the humidity and temperature in Gibraltar to calculate the Wintersun Expert Comfort level for each month. The lower the Wintersun Expert Comfort level, the more comfortable it will be. Only for certain people, extremely dry air can feel slightly uncomfortable.
When looking at the whole year, January has the lowest humidity, with a Wintersun Expert comfort level of "comfortable" (very dry air). July has the highest humidity, with a Wintersun Expert comfort level of "comfortable" (not very humid). When comparing September with the month before and after, this is almost equal to August, which has a Wintersun Comfort level of "comfortable" (not very humid). And slightly more than October, which has a Wintersun Comfort level of "very comfortable" (dry air)
What to do in Gibraltar in September
Gibraltar is full of surprises. It has many interesting sights for you to see and explore. Some of the most famous attractions in the area include:
- St. Michael's Cave: A large network of limestone caves located on the Rock with enormous stalactites and stalagmites. Known to the Romans and Greeks in ancient times, this mystical sight has many legends associated with it and is considered to be a top priority for Gibraltar visitors.
- The Moorish Castle: This historic landmark dates back to the 8th century and looks down on the old town of Gibraltar. Although parts of the castle got destroyed over time, it still stands tall. The Castle is a significant part of the town till today as it depicts the bravery of the leaders of the ancient times through the battle scars inflicted during the numerous sieges.
- Gibraltar Museum: Highlights the different cultural and historic aspects of Gibraltar. Established back in 1930, this museum features an outstanding collection of different exhibits including Roman anchors and geological origins from the Jurassic Period.
- Apes of Gibraltar: The town is quite famous for its Barbary macaques which is a rare Moroccan breed of monkeys without tails. You can visit the Gibraltar Natural Reserve which is the best place to spot them. Try keeping a safe distance though because these monkeys can bite too.
- The Great Siege Tunnels: These tunnels were initially carved by the British military when they were trying to protect The Rock from the Spanish forces. Even till today, these tunnels are considered an engineering marvel. There are guided tours that take you through the tunnels and enlighten you with its interesting history in detail.
- The Alameda: Gibraltar Botanic Gardens: The beautiful botanical gardens are perfect for a day out to relax and enjoy the peaceful atmosphere of the charming town. Spend your afternoons walking through the decorated lawns and admire the beauty of the luxuriant subtropical vegetation.
Is it humid in Gibraltar in September?
A lot of people ask interested in the humidity or relative humidity for Gibraltar in September. But the real question they want to ask is not about humidity but the amount of moisture in the air. Or better, about comfort. Will it be comfortable in September in Gibraltar, or will high humidity make it uncomfortable.To answer this question, we have to look at the dew point. Relative humidity can change a lot in Gibraltar during the day and night, as it changes when the amount of moisture changes and, but also when the temperature changes. It is a lot less reliable for comfort. Where the dew point only varies with the amount of moisture in the air.
Looking at the dew point, we can see that for the month of September, you can expect that Gibraltar will have a low humidty, and will feel very comfortable.
January is the month with the most comfort. It will have very dry air, and can feel somewhat uncomfortable for some people. But will be fine for most.. July is the most uncomfortable month. It will not be very humid, and will feel comfortable. In the graph, you can see that there is some difference between the most comfortable and most uncomfortable months
Is September a good time to go to Gibraltar?
Trying to answer the question of whether September is a good time to go to Gibraltar is not as easy as it first seems. Some people like colder weather, and others prefer a warmer climate. Some are fine with some humidity, and others are not. If your location has air conditioning, the night temperature is less important.
These are some examples. I will try to answer the question with a more generic person in mind. The more detailed information in this article should be enough to check further if this applies to you as well.
If we look at the average temperature for Gibraltar in September, we can see that it will be fine for most people. In September, you can expect it to be really nice, with an average temperature of around 84°F / 29°C. As the humidty is low, it will feel very comfortable. During the night, it will be around 64°F / 18°C.
As the number of overcast days is not high, you can enjoy the sun with around 7 sunny days and 21 partly sunny days.
The last aspect we will look at is rain. You can expect around 4 rainy days, with on average 0.8 inches / 20 mm of rain during September. If it were more than five days, the location would be slightly less attractive for a shorter stay.
We have looked at the average day temperature, the night temperature, humidity, the number of overcast days, and the rain. We think that September a good time to go to Gibraltar for most visitors.
Does it rain all day in Gibraltar in September?
In Gibraltar, it does not rain all day in September. You can expect around 4 rainy days, with on average 0.8 inches / 20 mm of rain during the month.
Another way of looking at the rain is the number of sunny days. For Gibraltar, there are, on average 7 sunny days and 21 partly sunny days in September. That clearly shows that it is not raining all the time.
Is September the rainiest month in Gibraltar?
September is not the month with the most rainy days, and not the month with the most rain.
To answer what the rainiest month is in Gibraltar, we will both look at the month with the most rain, and the month with the highest number of rainy days.
December is the month with the the highest number of rainiest days. On average, you can expect 9 days with rain. July is the month with the lowest number of rainy days, with aproximately 1 day.
December is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 5 inches / 126 mm of rain. July is the month with the least amount of rain. This is not the same month as the one with the lowest number of rainy days. You can expect approximately 0.1 inches / 2 mm of rain.
Is September the most sunniest month in Gibraltar?
September is not the month with the most sunny days, it is the month with the most partly sunny days, and it is not the month with the lowest number of overcast days.
To answer what the sunniest month is in Gibraltar, we will of course look at the month with the most sunniest days, but also look at the month with the biggest number of days that are sunny or partly sunny.
June is the month with the highest number of sunny days. On average, you can expect 7 sunny days, and 21 partly suny days. October is the month with the lowest number of sunny days.
July is the month with the highest number of sunny days and partly sunny days combined. While February is the month with the lowest number of sunny days and partly sunny days combined.
The last thing we will look at is the number of overcast days. July is the month with the lowest number of overcast days. While December is the month with the highest number of overcast days.
More information about Gibraltar
Weather in Gibraltar in other months
- Weather in Gibraltar for January
- Weather in Gibraltar for February
- Weather in Gibraltar for March
- Weather in Gibraltar for April
- Weather in Gibraltar for May
- Weather in Gibraltar for June
- Weather in Gibraltar for July
- Weather in Gibraltar for August
- Weather in Gibraltar for October
- Weather in Gibraltar for November
- Weather in Gibraltar for December
What to do in Gibraltar for each month
- What to do in January in Gibraltar
- What to do in February in Gibraltar
- What to do in March in Gibraltar
- What to do in April in Gibraltar
- What to do in May in Gibraltar
- What to do in June in Gibraltar
- What to do in July in Gibraltar
- What to do in August in Gibraltar
- What to do in September in Gibraltar
- What to do in October in Gibraltar
- What to do in November in Gibraltar
- What to do in December in Gibraltar