Hamilton weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Hamilton in September. Check more long-term weather averages for Hamilton in September before you book your next holiday to Bermuda in 2025/2026.

  • 30°C maximum daytime temperature in September in Hamilton30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in September in Hamilton11
    11 days with some rainfall
  • 21°C minimum night-time temperature in September in Hamilton21
    21°C min night temperature
  • 12 hours of daylight per day in September in Hamilton12
    12 hours of daylight per day
  • Moderate heat & humidity in September in HamiltonM
    Moderate heat & humidity
  • 120 mm monthly rainfall in September in Hamilton120
    120 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Hamilton8
    8 (Very High) UV index
  • 27°C sea temperature in September in Hamilton27
    27°C sea temperature

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The September weather guide for Bermuda, represented by Hamilton, (Hamilton) 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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How hot is it in Hamilton in September?

Daytime temperatures usually reach 30°C in Hamilton in September with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Hamilton in September?

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

How warm is the sea around Hamilton in September?

The average sea temperature around Hamilton in September is 27°C.

Does it rain in Hamilton in September?

There are usually 11 days with some rain in Hamilton in September and the average monthly rainfall is 120mm.

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

On average 1.4 days in September in Hamilton are likely to be affected by the passage of one or more tropical storms.

Hamilton September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 18:43
Monday, 15th September 2025 06:03 18:25
Tuesday, 30th September 2025 06:13 18:05

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