September weather forecast and climate
Thermal, CA

What is the temperature in September in Thermal?

The average high-temperature, in September, in Thermal, California, is 102°F (38.9°C), while the average low-temperature is 73.9°F (23.3°C).

How much does it rain in Thermal in September?

In Thermal, California, in September, typically, 0" (1mm) of precipitation is accumulated.
Average temperature in September - Thermal, CA
  • Average high temperature in September: 102°F

The warmest month (with the highest average high temperature) is July (107.3°F).
The month with the lowest average high temperature is December (71°F).

  • Average low temperature in September: 74°F

Months with the highest average low temperature are July and August (80.3°F).
The coldest month (with the lowest average low temperature) is December (44.2°F).

Average rainfall in September - Thermal, CA
  • Average rainfall in September: 0"

Wettest months (with the highest rainfall) are January, February and December (0.6").
Driest months (with the lowest rainfall) are June, July and September (0").

Average daylight in September - Thermal, 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: 10h).