Gibraltar weather in September 2025

Expect 77°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Gibraltar in September. Check more long-term weather averages for Gibraltar in September before you book your next holiday to Gibraltar in 2025/2026.

  • 77°F maximum daytime temperature in September in Gibraltar77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 3 days with some rainfall in September in Gibraltar3
    3 days with some rainfall
  • 66°F minimum night-time temperature in September in Gibraltar66
    66°F min night temperature
  • 12 hours of daylight per day in September in Gibraltar12
    12 hours of daylight per day
  • Low heat & humidity in September in GibraltarL
    Low heat & humidity
  • 0.6 inches monthly rainfall in September in Gibraltar0.6
    0.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Gibraltar7
    7 (High) UV index
  • 70°F sea temperature in September in Gibraltar70
    70°F 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)  |  Imperial (°F)

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More about Gibraltar

How hot is it in Gibraltar in September?

Daytime temperatures usually reach 77°F in Gibraltar in September with low heat and humidity, falling to 66°F 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 70°F.

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 0.6 inches.

Gibraltar September sunrise & sunset times

Browse the sunrise and sunset times for Gibraltar in September 2025. Select a month to view Gibraltar sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:53 19:49
Monday, 15th September 2025 07:04 19:29
Tuesday, 30th September 2025 07:16 19:06

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