September weather forecastKiesimä, Finland
September
Weather in September
September, the first month of the autumn in Kiesimä, is still a mild month, with temperature in the range of an average high of 13.3°C (55.9°F) and an average low of 7.5°C (45.5°F).Temperature
With the onset of September, Kiesimä experiences a modest temperature adjustment, with the average high-temperature receding from a comfortable 19°C (66.2°F) in August to a mild 13.3°C (55.9°F). Throughout September, the nighttime temperature averages to a chilly 7.5°C (45.5°F).Humidity
In Kiesimä, the average relative humidity in September is 83%.Rainfall
In Kiesimä, in September, it is raining for 7.2 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, in Kiesimä, Finland, there are 83.1 rainfall days, and 298mm (11.73") of precipitation is accumulated.Snowfall
In Kiesimä, Finland, snow does not fall in June through September.Daylight
In September, the average length of the day in Kiesimä, Finland, is 12h and 58min.On the first day of September in Kiesimä, sunrise is at 06:02 and sunset at 20:25. On the last day of the month, sunrise is at 07:20 and sunset at 18:47 EEST.
Sunshine
The average sunshine in September in Kiesimä is 6.3h.UV index
In September, the average daily maximum UV index in Kiesimä is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiesimä, 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
Kiesimä, 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
Kiesimä, 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
Kiesimä, 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
Kiesimä, 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
Kiesimä, 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
Kiesimä, 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
Kiesimä, 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
Kiesimä, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 0min).
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
Kiesimä, 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
Kiesimä, 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
Kiesimä, 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
Kiesimä, Finland
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (5km).
