Canouan weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Canouan in September. Check more long-term weather averages for Canouan in September before you book your next holiday to St Vincent & the Grenadines in 2025/2026.

  • 29°C maximum daytime temperature in September in Canouan29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 21 days with some rainfall in September in Canouan21
    21 days with some rainfall
  • 23°C minimum night-time temperature in September in Canouan23
    23°C min night temperature
  • 12 hours of daylight per day in September in Canouan12
    12 hours of daylight per day
  • Very high heat & humidity in September in CanouanVH
    Very High heat & humidity
  • 270 mm monthly rainfall in September in Canouan270
    270 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Canouan11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Canouan29
    29°C sea temperature

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The September weather guide for St Vincent & the Grenadines (Canouan) 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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More about St Vincent & the Grenadines

How hot is it in Canouan in September?

Daytime temperatures usually reach 29°C in Canouan in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Canouan in September?

There are normally 7 hours of bright sunshine each day in Canouan in September - that's 60% of daylight hours.

How warm is the sea around Canouan in September?

The average sea temperature around Canouan in September is 29°C.

Does it rain in Canouan in September?

There are usually 21 days with some rain in Canouan in September and the average monthly rainfall is 270mm.

What is the chance of a hurricane in Canouan in September?

On average less than 1 day in September in Canouan is likely to be affected by the passage of one or more tropical storms.

Canouan September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 18:16
Monday, 15th September 2025 05:54 18:06
Tuesday, 30th September 2025 05:55 17:56

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