Nevis weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Nevis in September. Check more long-term weather averages for Nevis in September before you book your next holiday to St Kitts & Nevis in 2025/2026.

  • 31°C maximum daytime temperature in September in Nevis31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 18 days with some rainfall in September in Nevis18
    18 days with some rainfall
  • 25°C minimum night-time temperature in September in Nevis25
    25°C min night temperature
  • 12 hours of daylight per day in September in Nevis12
    12 hours of daylight per day
  • Very high heat & humidity in September in NevisVH
    Very High heat & humidity
  • 139 mm monthly rainfall in September in Nevis139
    139 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Nevis11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Nevis29
    29°C sea temperature

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The September weather guide for St Kitts & Nevis (Nevis) 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 Kitts & Nevis

How hot is it in Nevis in September?

Daytime temperatures usually reach 31°C in Nevis in September with very high heat and humidity, falling to 25°C at night.

How sunny is it in Nevis in September?

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

How warm is the sea around Nevis in September?

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

Does it rain in Nevis in September?

There are usually 18 days with some rain in Nevis in September and the average monthly rainfall is 139mm.

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

On average 1.2 days in September in Nevis are likely to be affected by the passage of one or more tropical storms.

Nevis September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:57 18:24
Monday, 15th September 2025 05:59 18:12
Tuesday, 30th September 2025 06:01 18:00

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