Lagos weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Lagos in September. Check more long-term weather averages for Lagos in September before you book your next holiday to Algarve in 2025/2026.

  • 25°C maximum daytime temperature in September in Lagos25
    25°C max day temperature
  • 9 hours of sunshine per day
  • 3 days with some rainfall in September in Lagos3
    3 days with some rainfall
  • 17°C minimum night-time temperature in September in Lagos17
    17°C min night temperature
  • 12 hours of daylight per day in September in Lagos12
    12 hours of daylight per day
  • Low heat & humidity in September in LagosL
    Low heat & humidity
  • 16 mm monthly rainfall in September in Lagos16
    16 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Lagos7
    7 (High) UV index
  • 20°C sea temperature in September in Lagos20
    20°C sea temperature

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The September weather guide for Algarve (Lagos) 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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More about the Algarve

How hot is it in Lagos in September?

Daytime temperatures usually reach 25°C in Lagos in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Lagos in September?

There are normally 9 hours of bright sunshine each day in Lagos in September - that's 70% of daylight hours.

How warm is the sea around Lagos in September?

The average sea temperature around Lagos in September is 20°C.

Does it ever rain in Lagos in September?

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

Lagos September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:05 19:03
Monday, 15th September 2025 06:17 18:42
Tuesday, 30th September 2025 06:29 18:19

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