September weather forecastSottunga, Finland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sottunga, Finland, with temperature in the range of an average low of 12.4°C (54.3°F) and an average high of 14.6°C (58.3°F).Temperature
As Sottunga, Finland, enters September, the average high-temperature subtly lowers from the 17.6°C (63.7°F) of August to a still refreshing 14.6°C (58.3°F). In Sottunga, the month of September records an average minimum temperature of 12.4°C (54.3°F), a slight dip from the daily highs.Humidity
In September, the average relative humidity is 79%.Rainfall
In Sottunga, Finland, in September, during 13.3 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Sottunga, there are 117 rainfall days, and 276mm (10.87") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Sottunga.Daylight
The average length of the day in September is 12h and 52min.On the first day of September in Sottunga, sunrise is at 06:33 and sunset at 20:41. On the last day of the month, sunrise is at 07:41 and sunset at 19:12 EEST.
Sunshine
In Sottunga, Finland, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index in Sottunga is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sottunga, Finland
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is August (17.6°C).
The month with the lowest average high temperature is February (0.5°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Sottunga, Finland
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Sottunga, Finland
- Average wind speed in September: 25.3km/h
The windiest month (with the highest average wind speed) is December (31.7km/h).
The calmest month (with the lowest average wind speed) is July (20km/h).
Average humidity in September
Sottunga, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and October (78%).
Average rainfall in September
Sottunga, Finland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is October (32mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Sottunga, Finland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Sottunga, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sottunga, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sottunga, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Sottunga, Finland
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is May (20.5 days).
The month with the least sunshine days is December (11 days).
Average UV index in September
Sottunga, Finland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in September
Sottunga, Finland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Sottunga, Finland
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





