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

September weather forecast and climate
Orinda, CA

The first month of the autumn, September, is still a warm month in Orinda, California, with average temperature varying between 82.9°F (28.3°C) and 50°F (10°C).

Temperature

September is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 50°F (10°C).

Rainfall

In Orinda, during September, the rain falls for 1 days and regularly aggregates up to 0.4" (10.4mm) of precipitation. Throughout the year, there are 64 rainfall days, and 30.5" (775.5mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12.4h.

What is the warmest month in Orinda?

September is the warmest month in Orinda, California, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 50°F (10°C).

What is the temperature in September in Orinda?

In Orinda, in September, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 50°F (10°C).

How much does it rain in Orinda in September?

In September, in Orinda, the rain falls for 1 days. Throughout September, 0.4" (10.4mm) of precipitation is accumulated.

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

The average length of the day in September in Orinda is 12.4h.
Average temperature in September - Orinda, CA
  • Average high temperature in September: 83°F

The warmest month (with the highest average high temperature) is September (83°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (34°F).

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

The wettest month (with the highest rainfall) is December (6.2").
The driest month (with the lowest rainfall) is July (0").

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

Months with the highest number of rainy days are January and December (11 days).
The month with the lowest number of rainy days is July (0 days).

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

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).