Gibraltar weather in September 2026

Q: How hot is it in Gibraltar in September?

Daytime temperatures usually reach 25°C in Gibraltar in September with low heat and humidity, falling to 19°C at night.

Q: How sunny is it in Gibraltar in September?

There are normally 8 hours of bright sunshine each day in Gibraltar in September - that's 66% of daylight hours.

Q: How warm is the sea around Gibraltar in September?

The average sea temperature around Gibraltar in September is 21°C.

Q: Does it ever rain in Gibraltar in September?

There are usually 3 days with some rain in Gibraltar in September and the average monthly rainfall is 16mm.

Expect daytime maximum temperatures of 25°C in Gibraltar in September based on long-term weather averages. There are 8 hours of sunshine per day on average.

25
25°C max day temperature
8
8 hours of sunshine per day
3
3 days with some rainfall
19
19°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
16
16 mm of monthly rainfall
7
7 (High) UV index
21
21°C sea temperature

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The September weather guide for Gibraltar shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

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How to spend 48 hours in Gibraltar

How hot is it in Gibraltar in September?

Daytime temperatures usually reach 25°C in Gibraltar in September with low heat and humidity, falling to 19°C at night.

How sunny is it in Gibraltar in September?

There are normally 8 hours of bright sunshine each day in Gibraltar in September - that's 66% of daylight hours.

How warm is the sea around Gibraltar in September?

The average sea temperature around Gibraltar in September is 21°C.

Does it ever rain in Gibraltar in September?

There are usually 3 days with some rain in Gibraltar in September and the average monthly rainfall is 16mm.

Gibraltar September sunrise & sunset times

Browse the sunrise and sunset times for Gibraltar in September 2026. Select a month to view Gibraltar sunrise and sunset times for the next 12 months.

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