September weather forecastKaavi, Finland
September
Weather in September
The first month of the autumn, September, is still a mild month in Kaavi, Finland, with an average temperature fluctuating between 13.7°C (56.7°F) and 8°C (46.4°F).Temperature
Kaavi's transition into September involves a shift in temperature, receding from 19.3°C (66.7°F) in August to a still refreshing 13.7°C (56.7°F). Throughout September, an average low-temperature of 8°C (46.4°F) is expected in Kaavi.Humidity
In September, the average relative humidity is 82%.Rainfall
In Kaavi, in September, during 13.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Kaavi, Finland, during the entire year, the rain falls for 107.2 days and collects up to 393mm (15.47") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Kaavi. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Kaavi, there are 110.8 snowfall days, and 1072mm (42.2") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 58min.On the first day of September, sunrise is at 05:53 and sunset at 20:17. On the last day of the month, sunrise is at 07:12 and sunset at 18:39 EEST.
Sunshine
In September, the average sunshine is 6.3h.UV index
In Kaavi, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Exercise prevention - Warding off sunburn is urged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kaavi, Finland
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average pressure in September
Kaavi, Finland
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Kaavi, Finland
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is November (15km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).
Average humidity in September
Kaavi, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Kaavi, Finland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Kaavi, Finland
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Kaavi, Finland
- Average snowfall in September: 2mm
The month with the highest snowfall is January (230mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Kaavi, Finland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Kaavi, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in September
Kaavi, Finland
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Kaavi, 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
Kaavi, Finland
- Average cloud cover in September: 57
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Kaavi, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (5km).





