Weather in Vaasa: September
 |
Average day temperature: | 56.1°F |
| Average night temperature: | 51.0°F | |
 |
Sea water temperature: | 56.2°F |
 |
Number of sunny days: | 8 days |
| Day length: | 11.5 - 14.4 hours | |
 |
Number of rainy days: | 5 days |
| Precipitation totals: | 2.5 in. | |
| more information | ||
forecast
| Vaasa |
temperature
| Vaasa |
Air temperature in September, °F
The highest day temperature during September of 2023 was 64°F. At the same time the lowest night temperature was 48°F. Day and night temperature averages during September were 58.1°F and 56.4°F.
Sea water temperature in Vaasa in September, °F
The average sea water temperature in September of 2023 was 58.5°F. The highest and lowest sea temperatures during the month were 61.7°F and 55.4°F.
Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Vaasa in September is 2.8 in. Other months of the year show relatively similar values.
The average wind speed value in September is 10.8 mph
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: 5.4.
Best time for vacation in Vaasa
Vaasa on a weather map
19 mph
21 mph
21 mph
18 mph
17 mph
14 mph
13 mph
13 mph
