September weather forecastVuolijoki, Finland
September
Weather in September
The first month of the autumn, September, is also a fresh month in Vuolijoki, Finland, with an average temperature ranging between max 12.5°C (54.5°F) and min 6.3°C (43.3°F).Temperature
In Vuolijoki, the average high-temperature in September decreases from an enjoyable 18.2°C (64.8°F) in August to a cool 12.5°C (54.5°F). Vuolijoki experiences a mean low-temperature of 6.3°C (43.3°F) during September.Humidity
In Vuolijoki, the average relative humidity in September is 85%.Rainfall
In September, in Vuolijoki, the rain falls for 15.2 days. Throughout September, 31mm (1.22") of precipitation is accumulated. Throughout the year, there are 123.8 rainfall days, and 364mm (14.33") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.6 snowfall days, it receives 9mm (0.35") of snow. In Vuolijoki, Finland, during the entire year, snow falls for 126.2 days and aggregates up to 903mm (35.55") of snow.Daylight
In Vuolijoki, the average length of the day in September is 13h and 1min.On the first day of the month, sunrise is at 05:55 and sunset at 20:27. On the last day of September, sunrise is at 07:19 and sunset at 18:44 EEST.
Sunshine
The average sunshine in September in Vuolijoki is 5.8h.UV index
In September, the average daily maximum UV index in Vuolijoki is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vuolijoki, Finland
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (-7.3°C).
- Average low temperature in September: 6.3°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).
Average pressure in September
Vuolijoki, Finland
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in September
Vuolijoki, Finland
- Average wind speed in September: 11.7km/h
The windiest months (with the highest average wind speed) are November and December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in September
Vuolijoki, Finland
- Average humidity in September: 85%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Vuolijoki, Finland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (48mm).
The driest months (with the least rainfall) are February and April (21mm).
Average rainfall days in September
Vuolijoki, Finland
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Vuolijoki, Finland
- Average snowfall in September: 9mm
The month with the highest snowfall is March (160mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Vuolijoki, Finland
- Average snowfall days in September: 0.6 days
The month with the highest number of snowfall days is December (23.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Vuolijoki, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in September: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in September
Vuolijoki, Finland
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is April (7.6 days).
Average UV index in September
Vuolijoki, Finland
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Vuolijoki, Finland
- Average cloud cover in September: 63
The months with the most cloud cover are January, February and December (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in September
Vuolijoki, 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).





