September weather forecastVääksy, Finland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Vääksy, Finland, with temperature in the range of an average high of 14.8°C (58.6°F) and an average low of 7.6°C (45.7°F).Temperature
The onset of September entails a temperature shift, as the average high-temperature decreases from an agreeable 20.3°C (68.5°F) in August to a refreshing 14.8°C (58.6°F). Throughout the month of September, the average temperature dips to a chilly 7.6°C (45.7°F) at night.Humidity
In Vääksy, the average relative humidity in September is 83%.Rainfall
In Vääksy, in September, it is raining for 10.6 days, with typically 27mm (1.06") of accumulated precipitation. In Vääksy, during the entire year, the rain falls for 118.1 days and collects up to 394mm (15.51") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Vääksy, during the entire year, snow falls for 93.7 days and aggregates up to 918mm (36.14") of snow.Daylight
In Vääksy, the average length of the day in September is 12h and 54min.On the first day of September in Vääksy, Finland, sunrise is at 06:11 and sunset at 20:24. On the last day of the month, sunrise is at 07:22 and sunset at 18:52 EEST.
Sunshine
In September, the average sunshine in Vääksy is 6.6h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vääksy, Finland
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in September
Vääksy, Finland
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Vääksy, Finland
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Vääksy, Finland
- Average humidity in September: 83%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Vääksy, Finland
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Vääksy, Finland
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Vääksy, Finland
- Average snowfall in September: 1mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Vääksy, Finland
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Vääksy, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 6h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 1h and 30min).
Average sunshine days in September
Vääksy, Finland
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Vääksy, 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
Vääksy, Finland
- Average cloud cover in September: 57
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in September
Vääksy, 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 (5km).





