Georgetown weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Georgetown in September. Check more long-term weather averages for Georgetown in September before you book your next holiday to Guyana in 2025/2026.

  • 88°F maximum daytime temperature in September in Georgetown88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in September in Georgetown13
    13 days with some rainfall
  • 75°F minimum night-time temperature in September in Georgetown75
    75°F min night temperature
  • 12 hours of daylight per day in September in Georgetown12
    12 hours of daylight per day
  • Very high heat & humidity in September in GeorgetownVH
    Very High heat & humidity
  • 2.9 inches monthly rainfall in September in Georgetown2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Georgetown11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Georgetown84
    84°F sea temperature

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The September weather guide for Guyana (Georgetown) 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 Georgetown in September?

Daytime temperatures usually reach 88°F in Georgetown in September with very high heat and humidity, falling to 75°F at night.

How sunny is it in Georgetown in September?

There are normally 8 hours of bright sunshine each day in Georgetown in September - that's 64% of daylight hours.

How warm is the sea around Georgetown in September?

The average sea temperature around Georgetown in September is 84°F.

Does it rain in Georgetown in September?

There are usually 13 days with some rain in Georgetown in September and the average monthly rainfall is 2.9 inches.

Georgetown September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:45 18:00
Monday, 15th September 2025 05:43 17:52
Tuesday, 30th September 2025 05:41 17:44

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