Mountain Pass
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Mountain Pass, CA

September, the first month of the autumn, in Mountain Pass, is also a moderately hot month, with average temperature varying between 83.8°F (28.8°C) and 56.7°F (13.7°C).

Temperature

In Mountain Pass, California, the average high-temperature marginally drops, from a hot 90°F (32.2°C) in August, to a warm 83.8°F (28.8°C). In Mountain Pass, in September, the average low-temperature is 56.7°F (13.7°C).

Rainfall

In Mountain Pass, 0.6" (15mm) of precipitation is typically accumulated. Throughout the year, 8.4" (212.4mm) of rain is accumulated.

Snowfall

In Mountain Pass snow does not fall in June through September.

Daylight

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

What is the temperature in September in Mountain Pass?

In Mountain Pass, in September, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 56.7°F (13.7°C).

How much does it rain in Mountain Pass in September?

In Mountain Pass, in September, 0.6" (15mm) of precipitation is typically accumulated.

Does it snow in Mountain Pass in September?

In Mountain Pass, California, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Mountain Pass?

June through September are months without snowfall in Mountain Pass, California.

How many hours of daylight does Mountain Pass have in September?

The average length of the day in September is 12.4h.
Average temperature in September - Mountain Pass, CA
  • Average high temperature in September: 83.9°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (50.4°F).

  • Average low temperature in September: 56.6°F

The month with the highest average low temperature is July (66.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average rainfall in September - Mountain Pass, CA
  • Average rainfall in September: 0.6"

The wettest month (with the highest rainfall) is August (1.2").
The driest month (with the lowest rainfall) is June (0.2").

Average snowfall in September - Mountain Pass, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.7").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in September - Mountain Pass, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).