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
  31°C max day temperature
• 8
  8 hours of sunshine per day
• 9
  9 days with some rainfall
• 20
  20°C min night temperature
• 12
  12 hours of daylight per day
• H
  High heat & humidity
• 138
  138 mm of monthly rainfall
• 9
  9 (Very High) UV index

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Lake Charles by month

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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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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.

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