Weather in September
The first month of the autumn, September, is still a hot month in Brandeis, California, with an average temperature varying between 93°F (33.9°C) and 55°F (12.8°C).
On the first day of the month, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:39 pm PDT.
Temperature
September's arrival shows an average high-temperature of a tropical 93°F (33.9°C), hardly different from the previous month. Brandeis records a significant temperature drop in September nights, lowering to an average of 55°F (12.8°C).Rainfall
During September, Brandeis regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, 17.91" (455mm) of rain is accumulated.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:39 pm PDT.
Updated: Jun 9, 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
How hot is it in September?
The average high-temperature, in September, in Brandeis, is 93°F (33.9°C), while the average low-temperature is 55°F (12.8°C).
How much does it rain in September?
Throughout September, 0.16" (4mm) of precipitation is accumulated.
What is the average length of the day in September?
In September, the average day length is 12h and 22min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:39 pm PDT.
Average temperature in September
Brandeis, CA
- Average high temperature in September: 93°F
The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is December (68°F).
- Average low temperature in September: 55°F
The months with the highest average low temperature are July and August (57°F).
The coldest month (with the lowest average low temperature) is December (38°F).
Average rainfall in September
Brandeis, CA
- Average rainfall in September: 0.1"
The wettest month (with the highest rainfall) is February (4.8").
The driest month (with the least rainfall) is July (0").
Average daylight in September
Brandeis, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
Brandeis, California, USA
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