Mendocino in september: average Weather, Temperature and Climate
Weather in Mendocino in september 2025
The weather in Mendocino in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather
Weather at 6am
59°F
Clear/Sunny
78% of time
13%
4%
3%
Weather at 12pm
68°F
Clear/Sunny
81% of time
14%
5%
2%
Weather at 6pm
59°F
Clear/Sunny
77% of time
10%
8%
3%
Weather at 3am
58°F
78%
14%
5%
4%
Evolution of daily average temperature and precipitation in Mendocino in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mendocino in september.
The climate of Mendocino in september is perfect
The weather in september in Mendocino is dry ; it never rains.
The climate comfortable here this month. The high seasonal norm is 70°F. In the morning the temperature drops to 59°F. Thus, the mean temperature average on this month of september in Mendocino is 65°F. These temperatures are far removed from those records observed in Mendocino in the month of september with a maximum record of 86°F in 2009 and a minimum record of 47°F in 2019. You can expect to have about 25 days with temperatures above 65°F, or 83% of time.
In september in Mendocino, the days on average last 12:26. The sun rises at 05:57 and sets at 18:23.
With a perfect climate, the month of september is recommended to go there.
Seasonal average climate and temperature of Mendocino in september
Check below seasonal norms These datas are set from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 59°F | ||||
| Highest record temperature | 86°F (2009) | ||||
| Lowest record temperature | 47°F (2019) | ||||
| Number of days at +65°F | 25 day(s) (83%) | ||||
| Sea temperature | |||||
| Average sea temperature | 55°F | ||||
| Lowest sea temperature | 53°F | ||||
| Highest sea temperature | 57°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 58°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.4in | ||||
| Number of days with rainfall | 1 day(s) (2%) | ||||
| Record daily rainfall | 1.2in (2014) | ||||
| Other climate data | |||||
| Humidity | 79% | ||||
| Visibility | 9.68km | ||||
| Cloud cover | 11% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:57 | ||||
| Time of sunset | 18:23 | ||||
| Length of day | 12:26 | ||||
| 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 Mendocino in september 2024:
54°F to 58°F
54°F to 59°F
59°F to 65°F
63°F to 68°F
63°F to 67°F
59°F to 61°F
56°F to 58°F
56°F to 61°F
58°F to 61°F
56°F to 65°F
54°F to 61°F
54°F to 67°F
54°F to 61°F
54°F to 67°F
58°F to 61°F
52°F to 58°F
54°F to 56°F
56°F to 61°F
56°F to 63°F
56°F to 68°F
59°F to 70°F
61°F to 70°F
63°F to 68°F
61°F to 65°F
50°F to 56°F
56°F to 63°F
58°F to 68°F
56°F to 63°F
58°F to 70°F
63°F to 72°F
Map: other cities in California in september
Cities near Mendocino:
| Fort Bragg in september | perfect weather |
| Gualala in september | perfect weather |
| Sea Ranch in september | perfect weather |
| Timber Cove in september | perfect weather |
| Jenner in september | perfect weather |
| Humboldt Redwoods State Park in september | perfect weather |
| Bodega Bay in september | perfect weather |
| Napa Valley in september | perfect weather |
| Point Reyes in september | perfect weather |
| Eureka in september | perfect weather |
| Chico in september | perfect weather |
| McKinleyville in september | perfect weather |
Click over cities on the map for information about the weather in september.
Mendocino
perfect weather
good
tolerable
bad
very bad
Weather data for Mendocino in september:
Weather data for Mendocino for september are derived from an average of the weather forecast since 2009 in Mendocino. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mendocino 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 Mendocino.