September weather forecastKolho, Finland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Kolho, Finland, with an average temperature varying between 7.4°C (45.3°F) and 14.3°C (57.7°F).Temperature
As August transitions to September, the average high-temperature falls from an agreeable 20.1°C (68.2°F) to a refreshing 14.3°C (57.7°F). During the month of September, Kolho anticipates a mean low-temperature of 7.4°C (45.3°F).Humidity
The average relative humidity in September in Kolho, Finland, is 83%.Rainfall
In Kolho, Finland, in September, it is raining for 12.6 days, with typically 28mm (1.1") of accumulated precipitation. In Kolho, during the entire year, the rain falls for 119.7 days and collects up to 379mm (14.92") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Kolho, Finland, during the entire year, snow falls for 102.7 days and aggregates up to 976mm (38.43") of snow.Daylight
In September, the average length of the day is 12h and 56min.On the first day of the month, sunrise is at 06:12 and sunset at 20:31. On the last day of September, sunrise is at 07:27 and sunset at 18:55 EEST.
Sunshine
In Kolho, the average sunshine in September is 6.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard 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:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kolho, Finland
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-4.9°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in September
Kolho, Finland
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in September
Kolho, Finland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (12.3km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in September
Kolho, Finland
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Kolho, Finland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is October (41mm).
The driest months (with the least rainfall) are March and April (25mm).
Average rainfall days in September
Kolho, Finland
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Kolho, Finland
- Average snowfall in September: 1mm
The month with the highest snowfall is December (221mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Kolho, Finland
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Kolho, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 6h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in September
Kolho, Finland
- Average sunshine days in September: 14 days
The month with the most sunshine days is June (17.4 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Kolho, 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
Kolho, Finland
- Average cloud cover in September: 57
The month with the most cloud cover is January (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 44).
Average visibility in September
Kolho, 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).
