Santa Monica in september: average Weather, Temperature and Climate
Weather in Santa Monica in september 2025
The weather in Santa Monica in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 7
Weather at 6am
74°F
Clear/Sunny
78% of time
15%
5%
4%
Weather at 12pm
83°F
Clear/Sunny
89% of time
8%
3%
2%
Weather at 6pm
76°F
Clear/Sunny
86% of time
10%
3%
2%
Weather at 3am
70°F
85%
10%
3%
2%
Evolution of daily average temperature and precipitation in Santa Monica in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Santa Monica in september.
The climate of Santa Monica in september is perfect
The climate in september in Santa Monica is dry ; it never rains.
The climate quite good here the month of september. The thermometer averaged maximum of 85°F. In the morning the temperature drops to 74°F. Thus, the mean temperature average on this month of september in Santa Monica is 79°F. These temperatures are far removed from those records observed in Santa Monica in the month of september with a maximum record of 106°F in 2010 and a minimum record of 61°F in 2010. You can expect to have about 10 days with temperatures over 86°F, or 33 of time.
On average, in Santa Monica, the days of september last 12:22. The sun rises at 05:38 and sunset is at 18:00.
With a perfect climate, september is recommended to go there in United States.
Seasonal average climate and temperature of Santa Monica in september
Check below seasonal norms These datas are generated from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 74°F | ||||
| Highest record temperature | 106°F (2010) | ||||
| Lowest record temperature | 61°F (2010) | ||||
| Number of days at +86°F | 10 day(s) (33%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 67°F | ||||
| Lowest sea temperature | 64°F | ||||
| Highest sea temperature | 70°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 74°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.4in | ||||
| Number of days with rainfall | 0 day(s) (1%) | ||||
| Record daily rainfall | 1.2in (2017) | ||||
| Other climate data | |||||
| Humidity | 62% | ||||
| Visibility | 9.92km | ||||
| Cloud cover | 9% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:38 | ||||
| Time of sunset | 18:00 | ||||
| Length of day | 12:22 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Santa Monica in september 2024:
68°F to 83°F
70°F to 85°F
72°F to 88°F
72°F to 92°F
76°F to 97°F
79°F to 95°F
77°F to 95°F
83°F to 95°F
83°F to 97°F
81°F to 88°F
67°F to 79°F
65°F to 76°F
65°F to 74°F
63°F to 74°F
61°F to 72°F
65°F to 70°F
61°F to 68°F
59°F to 68°F
59°F to 68°F
59°F to 67°F
58°F to 68°F
61°F to 76°F
63°F to 77°F
61°F to 76°F
61°F to 76°F
59°F to 72°F
59°F to 72°F
59°F to 72°F
59°F to 76°F
61°F to 76°F
Map: other cities in California in september
Cities near Santa Monica:
| Topanga in september | perfect weather |
| Manhattan Beach in september | perfect weather |
| Hollywood in september | perfect weather |
| Los Angeles in september | perfect weather |
| Malibu in september | perfect weather |
| Angeles National Forest in september | perfect weather |
| Huntington Beach in september | perfect weather |
| Oxnard in september | perfect weather |
| Newport Beach in september | perfect weather |
| Ventura in september | perfect weather |
| San Clemente in september | perfect weather |
| San Bernardino in september | perfect weather |
Click over cities on the map for information about the weather in september.
Santa Monica
perfect weather
good
tolerable
bad
very bad
Weather data for Santa Monica in september:
Weather data for Santa Monica for september are derived from an average of the weather forecast since 2009 in Santa Monica. There is a margin of error and these forecasts are to be considered as general information only. The weather in Santa Monica can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Santa Monica.