September weather forecast and climate
Anaheim, CA

Aerial view of a beautiful residential area in Anaheim, California with a tall flat building in a distance
Aerial view of a beautiful residential area in Anaheim, California with a tall flat building in a distance

What is the temperature in September in Anaheim?

In September, in Anaheim, the average high-temperature is 85.8°F (29.9°C), and the average low-temperature is 62.2°F (16.8°C).

When does it start to rain in Anaheim?

September is the first month it rains in Anaheim, California. Throughout September, in the average 2 rainfall days, it receives 0.1" (2.3mm) of precipitation.
Average temperature in September - Anaheim, CA
  • Average high temperature in September: 85.8°F

The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is January (69.7°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).

Average rainfall in September - Anaheim, CA
  • Average rainfall in September: 0.1"

The wettest month (with the highest rainfall) is January (3.4").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in September - Anaheim, CA
  • Average rainfall days in September: 2 days

The month with the highest number of rainy days is March (6 days).
Months with the lowest number of rainy days are June and July (0 days).

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

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9h

Months with most sunshine are July and August (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in September - Anaheim, CA
  • Average UV index in September: 8

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

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