September weather forecastBrahelinna, Finland
September
Weather in September
September, the first month of the autumn in Brahelinna, is still a refreshing month, with an average temperature fluctuating between 8°C (46.4°F) and 14.3°C (57.7°F).Temperature
As August transitions into September, Brahelinna sees a drop in the average high-temperature, transitioning from a pleasant 20.4°C (68.7°F) to a mild 14.3°C (57.7°F). During September, the temperature in Brahelinna tends to dip to an average of 8°C (46.4°F) at night.Humidity
In September, the average relative humidity is 82%.Rainfall
In September, in Brahelinna, the rain falls for 14.2 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Brahelinna, during the entire year, the rain falls for 125 days and collects up to 408mm (16.06") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Brahelinna, during the entire year, snow falls for 114.6 days and aggregates up to 1087mm (42.8") of snow.Daylight
In Brahelinna, the average length of the day in September is 12h and 55min.On the first day of September, sunrise is at 06:03 and sunset at 20:18. On the last day of the month, sunrise is at 07:16 and sunset at 18:45 EEST.
Sunshine
In September, the average sunshine is 6.7h.UV index
In Brahelinna, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. 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
Brahelinna, Finland
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-5.3°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in September
Brahelinna, Finland
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Brahelinna, Finland
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in September
Brahelinna, 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 May (66%).
Average rainfall in September
Brahelinna, Finland
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Brahelinna, Finland
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Brahelinna, Finland
- Average snowfall in September: 1mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Brahelinna, Finland
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Brahelinna, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in September
Brahelinna, Finland
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in September
Brahelinna, Finland
- Average UV index in September: 3
The months with the highest UV index are June and 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
Brahelinna, Finland
- Average cloud cover in September: 56
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
Brahelinna, 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).





