Redding weather in September 2025

Expect daytime maximum temperatures of 91°F in Redding, California in September and high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 91°F maximum daytime temperature in September in Redding91
    91°F max day temperature
  • 11 hours of sunshine per day
  • 3 days with some rainfall in September in Redding3
    3 days with some rainfall
  • 57°F minimum night-time temperature in September in Redding57
    57°F min night temperature
  • 12 hours of daylight per day in September in Redding12
    12 hours of daylight per day
  • High heat & humidity in September in ReddingH
    High heat & humidity
  • 1.1 inches monthly rainfall in September in Redding1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Redding6
    6 (High) UV index

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The September weather guide for California (Redding) 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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How hot is it in Redding in September?

Daytime temperatures usually reach 91°F in Redding in September with high heat and humidity, falling to 57°F at night.

How sunny is it in Redding in September?

There are normally 11 hours of bright sunshine each day in Redding in September - that's 87% of daylight hours.

Does it ever rain in Redding in September?

There are usually 3 days with some rain in Redding in September and the average monthly rainfall is 1.1 inches.

Redding September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:37 18:41
Monday, 15th September 2025 05:51 18:18
Tuesday, 30th September 2025 06:05 17:53

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