Biloxi weather in September 2026

Expect daytime maximum temperatures of 31°C in Biloxi, Mississippi in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 166 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Biloxi31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Biloxi10
    10 days with some rainfall
  • 21°C minimum night-time temperature in September in Biloxi21
    21°C min night temperature
  • 12 hours of daylight per day in September in Biloxi12
    12 hours of daylight per day
  • High heat & humidity in September in BiloxiH
    High heat & humidity
  • 166 mm monthly rainfall in September in Biloxi166
    166 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Biloxi9
    9 (Very High) UV index
  • 28°C sea temperature in September in Biloxi28
    28°C sea temperature

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The September weather guide for Mississippi (Biloxi) 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 Biloxi in September?

Daytime temperatures usually reach 31°C in Biloxi in September with high heat and humidity, falling to 18°C at night.

How sunny is it in Biloxi in September?

There are normally 8 hours of bright sunshine each day in Biloxi in September - that's 62% of daylight hours.

Does it rain in Biloxi in September?

There are usually 8 days with some rain in Biloxi in September and the average monthly rainfall is 84mm.

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

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

Biloxi September sunrise & sunset times

Browse the sunrise and sunset times for Biloxi in September 2026. Select a month to view Biloxi sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:32 18:18
Tuesday, 15th September 2026 05:40 18:01
Wednesday, 30th September 2026 05:48 17:42

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