Janakkala Weather in September
What's the weather like in Janakkala (Southern Finland Province) in September 2024?
The climate in Janakkala during September can be summarized as cool and reasonably dry.
September is in the fall / autumn in Janakkala and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (56°F), whilst at night 6°C (42°F) is normal.
| Daytime temperature | 13.4°C 56.1°F |
|---|---|
| Nightly temperature | 5.6°C 42.1°F |
| Average temperature | 9.5°C 49.1°F |
| Daily sunshine | 4.2 hrs |
| Avg rainfall | 63 mm 2.5 ins |
| Rainy days | 17 days |
| Sea temperature | 14.5°C 58.1°F |
| Humidity | 85% |
| Windspeed | 11.2kph 7 mph |
On average September is the 3rd wettest month of the year in Janakkala with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.2 hours of sunshine per day.
September temperatures in Janakkala
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Janakkala in September 2024.
Other monthly averages
Best places to visit in September
Janakkala weather stats
| Hottest month: | July | 20.9°C 69.6°F |
|---|---|---|
| Driest month: | February | 27mm 1.1ins |
| Sunniest month: | June | 5hrs |
| Coldest month: | January | -5.2°C 22.6°F |
| Wettest month: | August | 81mm 3.2ins |
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