September weather forecastKoskue, Finland
September
Weather in September
The first month of the autumn, September, is still a mild month in Koskue, Finland, with temperature in the range of an average high of 14.6°C (58.3°F) and an average low of 7.5°C (45.5°F).Temperature
Onset of September comes with a temperature decline, the average high falling from a refreshing 19.8°C (67.6°F) in August to a mild 14.6°C (58.3°F). During the nights in September, an average low-temperature of 7.5°C (45.5°F) is observed in Koskue.Humidity
The average relative humidity in September in Koskue is 83%.Rainfall
The months with the least rainfall in Koskue are April and September Rain falls for 15.3 days and accumulates 34mm (1.34") of rain.Snowfall
June through September are months without snowfall.Daylight
In Koskue, the average length of the day in September is 12h and 57min.On the first day of September, sunrise is at 06:18 and sunset at 20:38. On the last day of the month, sunrise is at 07:34 and sunset at 19:02 EEST.
Sunshine
In Koskue, the average sunshine in September is 6.7h.UV index
In Koskue, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koskue, Finland
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in September
Koskue, Finland
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in September
Koskue, Finland
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in September
Koskue, Finland
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Koskue, Finland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (54mm).
The driest months (with the least rainfall) are April and September (34mm).
Average rainfall days in September
Koskue, Finland
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Koskue, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (234mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Koskue, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Koskue, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 1h and 48min).
Average sunshine days in September
Koskue, Finland
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in September
Koskue, Finland
- Average UV index in September: 3
The months with the highest UV index are June and 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
Koskue, Finland
- Average cloud cover in September: 56
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are June and July (Cloud cover 44).
Average visibility in September
Koskue, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
