Guinea weather in September 2025

Expect 84°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Guinea in September. Check more long-term weather averages for Guinea in September before you book your next holiday to Guinea in 2025/2026.

  • 84°F maximum daytime temperature in September in Guinea (Conakry)84
    84°F max day temperature
  • 5 hours of sunshine per day
  • 23 days with some rainfall in September in Guinea (Conakry)23
    23 days with some rainfall
  • 72°F minimum night-time temperature in September in Guinea (Conakry)72
    72°F min night temperature
  • 12 hours of daylight per day in September in Guinea (Conakry)12
    12 hours of daylight per day
  • High heat & humidity in September in Guinea (Conakry)H
    High heat & humidity
  • 22.6 inches monthly rainfall in September in Guinea (Conakry)22.6
    22.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Guinea (Conakry)11
    11+ (Extreme) UV index
  • 81°F sea temperature in September in Guinea (Conakry)81
    81°F sea temperature

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The September weather guide for Guinea (Conakry) 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.

Top Guinea destinations

Below are average maximum temperatures at popular countries, regions and places in Guinea in September. Select a holiday destination to see more weather parameters.

All Guinea destinations

Metric (°C)  |  Imperial (°F)

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How hot is it in Guinea in September?

Daytime temperatures usually reach 84°F in Conakry, Guinea in September with high heat and humidity, falling to 72°F at night.

How sunny is it in Guinea in September?

There are normally 5 hours of bright sunshine each day in Conakry, Guinea in September - that's 37% of daylight hours.

How warm is the sea around Guinea in September?

The average sea temperature around Conakry, Guinea in September is 81°F.

Does it rain in Guinea in September?

There are usually 23 days with some rain in Conakry, Guinea in September and the average monthly rainfall is 22.6 inches.

Guinea September sunrise & sunset times

Browse the sunrise and sunset times for Guinea in September 2025. Select a month to view Guinea sunrise and sunset times for the next 12 months. The Guinea sunrise and sunset times shown below are for Conakry.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:46 19:03
Monday, 15th September 2025 06:45 18:55
Tuesday, 30th September 2025 06:43 18:46

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