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Santa Monica weather in September 2023
- 2727°C max day temperature
- 22 days with some rainfall
- 1717°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 77 mm of monthly rainfall
- 88 (Very High) UV index
- 1919°C sea temperature
Recommended for California
The September weather guide for California (Santa Monica) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about California
How hot is it in Santa Monica in September?
Daytime temperatures usually reach 27°C in Santa Monica in September with low heat and humidity, falling to 17°C at night.
How sunny is it in Santa Monica in September?
There are normally 9 hours of bright sunshine each day in Santa Monica in September - that's 74% of daylight hours.
How warm is the sea around Santa Monica in September?
The average sea temperature around Santa Monica in September is 19°C.
Does it ever rain in Santa Monica in September?
There are usually 2 days with some rain in Santa Monica in September and the average monthly rainfall is 7mm.
Santa Monica September sunrise & sunset times
Browse the sunrise and sunset times for Santa Monica in September 2023. Select a month to view Santa Monica sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||06:27||19:20|
|Friday, 15th September 2023||06:37||19:01|
|Saturday, 30th September 2023||06:48||18:40|
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