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

September weather forecast and climate
Chester, CA

The first month of the autumn, September, is still a warm month in Chester, California, with average temperature varying between 78.3°F (25.7°C) and 38.1°F (3.4°C).

Temperature

In Chester, the average high-temperature in September slightly decreases, from a warm 84.4°F (29.1°C) in August, to a still moderately hot 78.3°F (25.7°C). In September, in Chester, the average low-temperature is 38.1°F (3.4°C).

Rainfall

In Chester, in September, it is raining for 3 days, with typically 0.6" (16.3mm) of accumulated precipitation. Throughout the year, there are 78 rainfall days, and 31.9" (809.2mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Chester. September is the first month it typically snows in Chester. Throughout September, Chester receives 0.1" (2.5mm) of snow. In Chester, during the entire year, snow aggregates up to 127.9" (3248.6mm).

Daylight

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

What is the temperature in September in Chester?

In September, in Chester, the average high-temperature is 78.3°F (25.7°C), and the average low-temperature is 38.1°F (3.4°C).

How much does it rain in Chester in September?

In September, in Chester, the rain falls for 3 days. Throughout September, 0.6" (16.3mm) of precipitation is accumulated.

When does it start snowing in Chester?

September is the first month it typically snows. Throughout September, Chester receives 0.1" (2.5mm) of snow.

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

In September, the average length of the day in Chester, California, is 12.4h.
Average temperature in September - Chester, CA
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.8°F).

  • Average low temperature in September: 38.1°F

The month with the highest average low temperature is July (44.8°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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

The wettest month (with the highest rainfall) is January (6").
Driest months (with the lowest rainfall) are July and August (0.3").

Average rainfall days in September - Chester, CA
  • Average rainfall days in September: 3 days

The month with the highest number of rainy days is January (11 days).
Months with the lowest number of rainy days are July and August (1 days).

Average snowfall in September - Chester, CA
  • Average snowfall in September: 0.1"

The month with the highest snowfall is January (35.4").
Months with the lowest snowfall are July and August (0").

Average daylight in September - Chester, 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: 9.4h).