Harper weather in September 2025

Expect 81°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Harper in September. Check more long-term weather averages for Harper in September before you book your next holiday to Liberia in 2025/2026.

  • 81°F maximum daytime temperature in September in Harper81
    81°F max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in September in Harper22
    22 days with some rainfall
  • 72°F minimum night-time temperature in September in Harper72
    72°F min night temperature
  • 12 hours of daylight per day in September in Harper12
    12 hours of daylight per day
  • Moderate heat & humidity in September in HarperM
    Moderate heat & humidity
  • 10.5 inches monthly rainfall in September in Harper10.5
    10.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Harper11
    11+ (Extreme) UV index
  • 79°F sea temperature in September in Harper79
    79°F sea temperature

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The September weather guide for Liberia (Harper) 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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How hot is it in Harper in September?

Daytime temperatures usually reach 81°F in Harper in September with moderate heat and humidity, falling to 72°F at night.

How sunny is it in Harper in September?

There are normally 3 hours of bright sunshine each day in Harper in September - that's 26% of daylight hours.

How warm is the sea around Harper in September?

The average sea temperature around Harper in September is 79°F.

Does it rain in Harper in September?

There are usually 22 days with some rain in Harper in September and the average monthly rainfall is 10.5 inches.

Harper September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:25 18:37
Monday, 15th September 2025 06:22 18:30
Tuesday, 30th September 2025 06:18 18:23

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