Weather in Olympia: September
| Average day temperature: | 83.5°F | |
| Average night temperature: | 67.4°F | |
| Number of sunny days: | 25 days | |
| Day length: | 11.8 - 13.0 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.6 in. | |
| more information | ||
14 days
forecast
forecast
| Olympia |
weather in
October
October
| Olympia |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 91°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during September were 83.7°F and 66.1°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Olympia in September is 1.7 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 5.6 mph The wind's strength is relatively same during the whole year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 9.8.
Best time for vacation in Olympia
Olympia on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Olympia
Local time: 19:47
January 08, thursday
2100

43°F
SE
11 mph
11 mph
January 09, friday
0000

45°F
SE
13 mph
13 mph
0300

45°F
SE
11 mph
11 mph
0600

43°F
SE
6 mph
6 mph
0900

45°F
SE
2 mph
2 mph
1200

52°F
E
3 mph
3 mph
1500

50°F
NW
3 mph
3 mph
1800

46°F
NW
4 mph
4 mph



























