September weather forecastGrizzly Flats, CA
September
Weather in September
September, the first month of the autumn in Grizzly Flats, is still a warm month, with an average temperature fluctuating between 80.6°F (27°C) and 53.6°F (12°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a hot 86°F (30°C) to a moderately hot 80.6°F (27°C). Against the backdrop of high daytime temperatures, an average low-temperature of 53.6°F (12°C) is noted during September nights.Rainfall
During September, Grizzly Flats regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, 40.63" (1032mm) of rain is accumulated.Daylight
In Grizzly Flats, California, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:45 pm PDT.
Updated: Aug 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The high-temperature, in September, in Grizzly Flats, is 80.6°F (27°C), while the low-temperature averages to 53.6°F (12°C).
Throughout September, 0.39" (10mm) of precipitation is accumulated.
In Grizzly Flats, the average day length in September is 12h and 25min.
In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:45 pm PDT.
Average temperature in September
Grizzly Flats, CA
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The months with the lowest average high temperature are January and December (51.8°F).
- Average low temperature in September: 53.6°F
The months with the highest average low temperature are July, August and September (53.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.4°F).
Average rainfall in September
Grizzly Flats, CA
- Average rainfall in September: 0.4"
The wettest month (with the highest rainfall) is January (8.5").
The driest month (with the least rainfall) is July (0").
Average daylight in September
Grizzly Flats, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).





