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

September weather forecast and climate
Callahan, CA

September, the first month of the autumn, in Callahan, is still a warm month, with average temperature fluctuating between 41.7°F (5.4°C) and 80.6°F (27°C).

Temperature

In Callahan, the average high-temperature marginally drops, from a tropical 87.3°F (30.7°C) in August, to a warm 80.6°F (27°C). The average low-temperature, in September, is 41.7°F (5.4°C).

Rainfall

In Callahan, it is raining for 3 days, with typically 0.5" (12.7mm) of accumulated precipitation. Throughout the year, there are 89 rainfall days, and 20.9" (531.2mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Callahan.

Daylight

In Callahan, the average length of the day in September is 12.5h.

What is the temperature in September in Callahan?

In September, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 41.7°F (5.4°C).

How many days does it rain in September in Callahan?

In Callahan, California, in September, during 3 rainfall days, 0.5" (12.7mm) of precipitation is typically accumulated.

Does it snow in Callahan in September?

In Callahan, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Callahan?

In Callahan, California, snow does not fall in June through September.

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

The average length of the day in September is 12.5h.
Average temperature in September - Callahan, CA
  • Average high temperature in September: 80.6°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in September: 41.7°F

The month with the highest average low temperature is July (48.9°F).
The coldest month (with the lowest average low temperature) is January (25.4°F).

Average rainfall in September - Callahan, CA
  • Average rainfall in September: 0.5"

The wettest month (with the highest rainfall) is December (3.8").
Driest months (with the lowest rainfall) are July and August (0.4").

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

Months with the highest number of rainy days are January and December (12 days).
Months with the lowest number of rainy days are July and August (2 days).

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

The month with the highest snowfall is January (4.5").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in September - Callahan, CA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).