Eureka in september: average Weather, Temperature and Climate
Weather in Eureka in september 2025
The weather in Eureka in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather
Weather at 6am
58°F
Clear/Sunny
70% of time
18%
5%
4%
Weather at 12pm
70°F
Clear/Sunny
79% of time
11%
6%
3%
Weather at 6pm
56°F
Clear/Sunny
60% of time
19%
14%
6%
Weather at 3am
54°F
65%
16%
15%
3%
Evolution of daily average temperature and precipitation in Eureka in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Eureka in september.
The climate of Eureka in september is perfect
In september in Eureka, the climate is dry ; it does not rain often (0.9in of rainfall over 1 days).
The climate pleasant in this location september. The thermometer averaged maximum of 70°F. On average, the recorded minimum temperature is 58°F. Thus, the mean temperature average on this month of september in Eureka is 65°F. Note that these seasonal averages are in contrast with those observed in Eureka in the month of september with a maximum record of 88°F in 2017 and a minimum record of 45°F in 2019.
Day length in Eureka in september is 12:27. The sun rises at 05:58 and sunset is at 18:25.
With ideal weather conditions, the month of september is recommended to go in this city.
Seasonal average climate and temperature of Eureka in september
Check below seasonal norms These datas are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 88°F (2017) | ||||
| Lowest record temperature | 45°F (2019) | ||||
| Number of days at +65°F | 27 day(s) (90%) | ||||
| Sea temperature | |||||
| Average sea temperature | 53°F | ||||
| Lowest sea temperature | 49°F | ||||
| Highest sea temperature | 57°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.9in | ||||
| Number of days with rainfall | 1 day(s) (4%) | ||||
| Record daily rainfall | 2in (2014) | ||||
| Other climate data | |||||
| Humidity | 81% | ||||
| Visibility | 9.06km | ||||
| Cloud cover | 16% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:58 | ||||
| Time of sunset | 18:25 | ||||
| Length of day | 12:27 | ||||
| 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 Eureka in september 2024:
52°F to 63°F
50°F to 63°F
54°F to 67°F
59°F to 70°F
59°F to 70°F
56°F to 68°F
56°F to 67°F
54°F to 65°F
56°F to 67°F
54°F to 63°F
52°F to 61°F
50°F to 63°F
52°F to 63°F
54°F to 63°F
56°F to 59°F
50°F to 61°F
54°F to 58°F
58°F to 59°F
54°F to 59°F
52°F to 63°F
54°F to 63°F
54°F to 59°F
56°F to 68°F
59°F to 65°F
52°F to 58°F
54°F to 56°F
52°F to 63°F
52°F to 56°F
52°F to 63°F
56°F to 67°F
Map: other cities in California in september
Cities near Eureka:
| McKinleyville in september | perfect weather |
| Humboldt Redwoods State Park in september | perfect weather |
| Six Rivers National Forest in september | good weather |
| Klamath in september | good weather |
| Crescent City in september | good weather |
| Klamath National Forest in september | good weather |
| Redding in september | perfect weather |
| Fort Bragg in september | perfect weather |
| Shasta-Trinity National Forest in september | tolerable weather |
| Mendocino in september | perfect weather |
| Chico in september | perfect weather |
| Gualala in september | perfect weather |
Click over cities on the map for information about the weather in september.
Eureka
perfect weather
good
tolerable
bad
very bad
Weather data for Eureka in september:
Weather data for Eureka for september are derived from an average of the weather forecast since 2009 in Eureka. There is a margin of error and these forecasts are to be considered as general information only. The weather in Eureka 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 Eureka.