Olympic Valley
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Olympic Valley, CA

September, the first month of the autumn, in Olympic Valley, is still a pleasant month, with average temperature fluctuating between 37.4°F (3°C) and 68°F (20°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 75.2°F (24°C) in August, to a pleasant 68°F (20°C). The average low-temperature, in Olympic Valley, is 37.4°F (3°C).

Rainfall

In Olympic Valley, in September, during 2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Olympic Valley, there are 59 rainfall days, and 47.8" (1214mm) of precipitation is accumulated.

Daylight

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

What is the temperature in September in Olympic Valley?

In Olympic Valley, in September, the average high-temperature is 68°F (20°C), and the average low-temperature is 37.4°F (3°C).

How much does it rain in Olympic Valley in September?

In Olympic Valley, in September, it is raining for 2 days, with typically 1.5" (38mm) of accumulated precipitation.

How many hours of daylight does Olympic Valley have in September?

In Olympic Valley, California, the average length of the day in September is 12.4h.
Average temperature in September - Olympic Valley, CA
  • Average high temperature in September: 68°F

Warmest months (with the highest average high temperature) are July and August (75.2°F).
Months with the lowest average high temperature are January and December (37.4°F).

  • Average low temperature in September: 37.4°F

The month with the highest average low temperature is July (44.6°F).
Coldest months (with the lowest average low temperature) are January and December (15.8°F).

Average rainfall in September - Olympic Valley, CA
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is January (10.1").
The driest month (with the lowest rainfall) is August (0.3").

Average rainfall days in September - Olympic Valley, CA
  • Average rainfall days in September: 2 days

The month with the highest number of rainy days is January (10 days).
Months with the lowest number of rainy days are August and October (1 days).

Average daylight in September - Olympic Valley, 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: 9.5h).