Lake Charles weather in September 2025

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

  • 31°C maximum daytime temperature in September in Lake Charles31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Lake Charles9
    9 days with some rainfall
  • 20°C minimum night-time temperature in September in Lake Charles20
    20°C min night temperature
  • 12 hours of daylight per day in September in Lake Charles12
    12 hours of daylight per day
  • High heat & humidity in September in Lake CharlesH
    High heat & humidity
  • 138 mm monthly rainfall in September in Lake Charles138
    138 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Lake Charles9
    9 (Very High) UV index

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The September weather guide for Louisiana (Lake Charles) 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 Lake Charles in September?

Daytime temperatures usually reach 31°C in Lake Charles in September with high heat and humidity, falling to 20°C at night.

How sunny is it in Lake Charles in September?

There are normally 8 hours of bright sunshine each day in Lake Charles in September - that's 63% of daylight hours.

Does it rain in Lake Charles in September?

There are usually 9 days with some rain in Lake Charles in September and the average monthly rainfall is 138mm.

What is the chance of a hurricane in Lake Charles in September?

On average 1.1 days in September in Lake Charles are likely to be affected by the passage of one or more tropical storms.

Lake Charles September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:50 18:35
Monday, 15th September 2025 05:58 18:18
Tuesday, 30th September 2025 06:06 17:59

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