September weather forecast and climate
Redding, CA

What is the temperature in September in Redding?

The average high-temperature, in September, in Redding, California, is 90.3°F (32.4°C), while the average low-temperature is 57.7°F (14.3°C).

How many days does it rain in September in Redding?

In Redding, California, in September, during 2.1 rainfall days, typically, 0.6" (16.3mm) of precipitation is accumulated.
Average temperature in September - Redding, CA
  • Average high temperature in September: 90.4°F

The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (36.3°F).

Average rainfall in September - Redding, CA
  • Average rainfall in September: 0.6"

The wettest month (with the highest rainfall) is December (6.3").
The driest month (with the lowest rainfall) is July (0.1").

Average rainfall days in September - Redding, CA
  • Average rainfall days in September: 2.1 days

The month with the highest number of rainy days is January (13.1 days).
The month with the lowest number of rainy days is July (0.6 days).

Average daylight in September / Average sunshine in September - Redding, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 11.3h

The month with most sunshine is July (Average sunshine: 14.5h).
The month with least sunshine is December (Average sunshine: 6.6h).

Average UV index in September - Redding, CA
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).

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