Monrovia weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Monrovia in September. Check more long-term weather averages for Monrovia in September before you book your next holiday to Liberia in 2025/2026.

  • 29°C maximum daytime temperature in September in Monrovia29
    29°C max day temperature
  • 3 hours of sunshine per day
  • 25 days with some rainfall in September in Monrovia25
    25 days with some rainfall
  • 21°C minimum night-time temperature in September in Monrovia21
    21°C min night temperature
  • 12 hours of daylight per day in September in Monrovia12
    12 hours of daylight per day
  • High heat & humidity in September in MonroviaH
    High heat & humidity
  • 587 mm monthly rainfall in September in Monrovia587
    587 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Monrovia11
    11+ (Extreme) UV index
  • 27°C sea temperature in September in Monrovia27
    27°C sea temperature

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The September weather guide for Liberia (Monrovia) 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 Monrovia in September?

Daytime temperatures usually reach 29°C in Monrovia in September with high heat and humidity, falling to 21°C at night.

How sunny is it in Monrovia in September?

There are normally 3 hours of bright sunshine each day in Monrovia in September - that's 28% of daylight hours.

How warm is the sea around Monrovia in September?

The average sea temperature around Monrovia in September is 27°C.

Does it rain in Monrovia in September?

There are usually 25 days with some rain in Monrovia in September and the average monthly rainfall is 587mm.

Monrovia September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:36 18:50
Monday, 15th September 2025 06:34 18:43
Tuesday, 30th September 2025 06:31 18:35

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