Assab weather in September 2025

Expect 37°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Assab in September. Check more long-term weather averages for Assab in September before you book your next holiday to Eritrea in 2025/2026.

  • 37°C maximum daytime temperature in September in Assab37
    37°C max day temperature
  • 9 hours of sunshine per day
  • 1 day with some rainfall in September in Assab1
    1 day with some rainfall
  • 28°C minimum night-time temperature in September in Assab28
    28°C min night temperature
  • 12 hours of daylight per day in September in Assab12
    12 hours of daylight per day
  • Extreme heat & humidity in September in AssabE
    Extreme heat & humidity
  • 4 mm monthly rainfall in September in Assab4
    4 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Assab11
    11+ (Extreme) UV index
  • 32°C sea temperature in September in Assab32
    32°C sea temperature

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The September weather guide for Eritrea (Assab) 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 hot is it in Assab in September?

Daytime temperatures usually reach 37°C in Assab in September with extreme heat and humidity, falling to 28°C at night.

How sunny is it in Assab in September?

There are normally 9 hours of bright sunshine each day in Assab in September - that's 73% of daylight hours.

How warm is the sea around Assab in September?

The average sea temperature around Assab in September is 32°C.

Does it ever rain in Assab in September?

There is usually 1 day with some rain in Assab in September and the average monthly rainfall is 4mm.

Assab September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:58 18:20
Monday, 15th September 2025 05:58 18:10
Tuesday, 30th September 2025 05:58 17:59

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