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

September weather forecast and climate
Gridley, CA

September, the first month of the autumn, in Gridley, is still a tropical month, with average temperature varying between 55.8°F (13.2°C) and 89.8°F (32.1°C).

Temperature

In Gridley, the average high-temperature in September is almost the same as in August - a still tropical 89.8°F (32.1°C). The average low-temperature, in Gridley, is 55.8°F (13.2°C).

Rainfall

In Gridley, during September, the rain falls for 1 days and regularly aggregates up to 0.4" (9.1mm) of precipitation. Throughout the year, there are 61 rainfall days, and 20.2" (512.3mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

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

What is the temperature in September in Gridley?

In Gridley, California, in September, the average high-temperature is 89.8°F (32.1°C), and the average low-temperature is 55.8°F (13.2°C).

How many days does it rain in September in Gridley?

In Gridley, in September, during 1 rainfall days, 0.4" (9.1mm) of precipitation is typically accumulated.

When it does not snow in Gridley?

In Gridley snow does not fall in March through December.

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

In September, the average length of the day in Gridley is 12.4h.
Average temperature in September - Gridley, CA
  • Average high temperature in September: 89.8°F

The warmest month (with the highest average high temperature) is July (96°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in September: 55.7°F

The month with the highest average low temperature is July (60.9°F).
The coldest month (with the lowest average low temperature) is January (34.8°F).

Average rainfall in September - Gridley, CA
  • Average rainfall in September: 0.4"

The wettest month (with the highest rainfall) is January (5.1").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in September - Gridley, CA
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is January (12 days).
Months with the lowest number of rainy days are July and August (0 days).

Average snowfall in September - Gridley, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.4").
Months with the lowest snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average daylight in September - Gridley, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).