Beirut weather in September 2025

Expect daytime maximum temperatures of 29°C in Beirut, Lebanon in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 29°C maximum daytime temperature in September in Beirut29
    29°C max day temperature
  • 10 hours of sunshine per day
  • 1 day with some rainfall in September in Beirut1
    1 day with some rainfall
  • 19°C minimum night-time temperature in September in Beirut19
    19°C min night temperature
  • 12 hours of daylight per day in September in Beirut12
    12 hours of daylight per day
  • Moderate heat & humidity in September in BeirutM
    Moderate heat & humidity
  • 3 mm monthly rainfall in September in Beirut3
    3 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Beirut9
    9 (Very High) UV index
  • 28°C sea temperature in September in Beirut28
    28°C sea temperature

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The September weather guide for Lebanon (Beirut) 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 Beirut in September?

Daytime temperatures usually reach 29°C in Beirut in September with moderate heat and humidity, falling to 19°C at night.

How sunny is it in Beirut in September?

There are normally 10 hours of bright sunshine each day in Beirut in September - that's 78% of daylight hours.

How warm is the sea around Beirut in September?

The average sea temperature around Beirut in September is 28°C.

Does it ever rain in Beirut in September?

There is usually 1 day with some rain in Beirut in September and the average monthly rainfall is 3mm.

Beirut September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:12 18:04
Monday, 15th September 2025 05:21 17:45
Tuesday, 30th September 2025 05:32 17:24

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