September weather forecastLepsämä, Finland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Lepsämä, Finland, with an average temperature ranging between max 15.1°C (59.2°F) and min 9.8°C (49.6°F).Temperature
As September commences, the average high-temperature shows a reduction, transitioning from a pleasant 20.3°C (68.5°F) in August to a mild 15.1°C (59.2°F). An average low-temperature of 9.8°C (49.6°F) marks the nights throughout September.Humidity
In Lepsämä, the average relative humidity in September is 80%.Rainfall
In Lepsämä, Finland, in September, during 15.3 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Lepsämä, during the entire year, the rain falls for 120 days and collects up to 353mm (13.9") of precipitation.Snowfall
In Lepsämä, snow does not fall in June through September.Daylight
In Lepsämä, the average length of the day in September is 12h and 53min.On the first day of September, sunrise is at 06:16 and sunset at 20:25. On the last day of the month, sunrise is at 07:26 and sunset at 18:56 EEST.
Sunshine
The average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lepsämä, Finland
- Average high temperature in September: 15.1°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 (-2.8°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in September
Lepsämä, Finland
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Lepsämä, Finland
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in September
Lepsämä, Finland
- Average humidity in September: 80%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Lepsämä, Finland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in September
Lepsämä, Finland
- Average rainfall days in September: 15.3 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Lepsämä, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lepsämä, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lepsämä, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Lepsämä, Finland
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in September
Lepsämä, 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
Lepsämä, Finland
- Average cloud cover in September: 47
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Lepsämä, 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 February and March (7km).
