Belize City weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Belize City in September. Check more long-term weather averages for Belize City in September before you book your next holiday to Belize in 2025/2026.

  • 88°F maximum daytime temperature in September in Belize City88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in September in Belize City18
    18 days with some rainfall
  • 75°F minimum night-time temperature in September in Belize City75
    75°F min night temperature
  • 12 hours of daylight per day in September in Belize City12
    12 hours of daylight per day
  • Very high heat & humidity in September in Belize CityVH
    Very High heat & humidity
  • 10.1 inches monthly rainfall in September in Belize City10.1
    10.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Belize City11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Belize City84
    84°F sea temperature

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The September weather guide for Belize (Belize City) 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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More about Belize

How hot is it in Belize City in September?

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

How sunny is it in Belize City in September?

There are normally 6 hours of bright sunshine each day in Belize City in September - that's 50% of daylight hours.

How warm is the sea around Belize City in September?

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

Does it rain in Belize City in September?

There are usually 18 days with some rain in Belize City in September and the average monthly rainfall is 10.1 inches.

What is the chance of a hurricane in Belize City in September?

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

Belize City September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:39 18:06
Monday, 15th September 2025 05:41 17:55
Tuesday, 30th September 2025 05:43 17:42

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