September weather forecastHimanka, Finland
September
Weather in September
The first month of the autumn, September, is still a mild month in Himanka, Finland, with an average temperature fluctuating between 13.3°C (55.9°F) and 9.5°C (49.1°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a refreshing 17.5°C (63.5°F) to a moderate 13.3°C (55.9°F). Himanka records a consistent average nighttime temperature of 9.5°C (49.1°F) in September, slightly lower than the daytime high.Humidity
In Himanka, the average relative humidity in September is 81%.Rainfall
In Himanka, Finland, in September, it is raining for 12.8 days, with typically 26mm (1.02") of accumulated precipitation. In Himanka, during the entire year, the rain falls for 119.3 days and collects up to 288mm (11.34") of precipitation.Snowfall
In Himanka, snow does not fall in June through September.Sea temperature
In September, the average sea temperature is 12.4°C (54.3°F).Note: Dipping into 12.4°C (54.3°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
In Himanka, the average length of the day in September is 13h and 1min.On the first day of the month, sunrise is at 06:09 and sunset at 20:40. On the last day of September, in Himanka, sunrise is at 07:32 and sunset at 18:57 EEST.
Sunshine
In Himanka, Finland, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September in Himanka is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Himanka, Finland
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is July (12.9°C).
The coldest months (with the lowest average low temperature) are January and February (-7.3°C).
Average pressure in September
Himanka, Finland
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.5mbar).
Average wind speed in September
Himanka, Finland
- Average wind speed in September: 16.5km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).
Average humidity in September
Himanka, Finland
- Average humidity in September: 81%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in September
Himanka, Finland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Himanka, Finland
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Himanka, Finland
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Himanka, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Himanka, Finland
- Average sea temperature in September: 12.4°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is April (-0.3°C).
Average daylight in September /
Average sunshine in September
Himanka, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in September
Himanka, Finland
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in September
Himanka, Finland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Himanka, Finland
- Average cloud cover in September: 50
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in September
Himanka, Finland
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and April (8km).
