September weather forecastTervo, Finland
September
Weather in September
The first month of the autumn, September, is still a mild month in Tervo, Finland, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 13.3°C (55.9°F).Temperature
September is characterized by a reduction in the average high-temperature, from a comfortable 19°C (66.2°F) in August to a still refreshing 13.3°C (55.9°F). Throughout September, Tervo anticipates an average low-temperature of 7.5°C (45.5°F).Humidity
The average relative humidity in September is 83%.Rainfall
In Tervo, Finland, in September, it is raining for 7.2 days, with typically 19mm (0.75") of accumulated precipitation. In Tervo, Finland, during the entire year, the rain falls for 83.1 days and collects up to 298mm (11.73") of precipitation.Snowfall
In Tervo, Finland, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 58min.On the first day of September, sunrise is at 06:00 and sunset at 20:24. On the last day of the month, sunrise is at 07:19 and sunset at 18:46 EEST.
Sunshine
In September, the average sunshine is 6.3h.UV index
In Tervo, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 3 transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tervo, Finland
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average pressure in September
Tervo, Finland
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1007.2mbar).
Average wind speed in September
Tervo, Finland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in September
Tervo, Finland
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (95%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in September
Tervo, Finland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Tervo, Finland
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Tervo, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (198mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tervo, Finland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Tervo, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in September
Tervo, Finland
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Tervo, 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, March, November and December (UV index 1).
Average cloud cover in September
Tervo, Finland
- Average cloud cover in September: 57
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in September
Tervo, Finland
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (5km).
