Brea
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Brea, CA

Brea City, California, with beautiful forest surroundings and vast hills and mountain ranges in the distance
Brea City, California, with beautiful forest surroundings and vast hills and mountain ranges in the distance
The first month of the autumn, September, is still a torrid month in Brea, California, with average temperature varying between 102.2°F (39°C) and 69.8°F (21°C).

Temperature

In Brea, the average high-temperature is practically the same as in August - a sweltering 102.2°F (39°C). In September, in Brea, the average low-temperature is 69.8°F (21°C).

Rainfall

During September, Brea regularly aggregates up to 0.3" (8mm) of precipitation. Throughout the year, 3.1" (80mm) of rain is accumulated.

Daylight

In September, the average length of the day is 12.4h.

What is the temperature in September in Brea?

In Brea, in September, the average high-temperature is 102.2°F (39°C), and the average low-temperature is 69.8°F (21°C).

How much does it rain in Brea in September?

Throughout September, in Brea, 0.3" (8mm) of precipitation is accumulated.

What is the average length of the day in September in Brea?

The average length of the day in September is 12.4h.
Average temperature in September - Brea, CA
  • Average high temperature in September: 102.2°F

The warmest month (with the highest average high temperature) is July (107.6°F).
Months with the lowest average high temperature are January and December (69.8°F).

  • Average low temperature in September: 69.8°F

The month with the highest average low temperature is August (75.2°F).
Coldest months (with the lowest average low temperature) are January and December (39.2°F).

Average rainfall in September - Brea, CA
  • Average rainfall in September: 0.3"

The wettest month (with the highest rainfall) is January (0.5").
Driest months (with the lowest rainfall) are May and June (0").

Average daylight in September - Brea, 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).