September weather forecastBjärtrå, Sweden
September
Weather in September
September, the first month of the autumn in Bjärtrå, is also a moderate month, with an average temperature varying between 6.5°C (43.7°F) and 13.7°C (56.7°F).Temperature
Bjärtrå experiences a temperature shift at the start of September, with average high-temperatures adjusting from a comfortable 18.8°C (65.8°F) in August to a mild 13.7°C (56.7°F). The average temperature during September nights dips to a frosty 6.5°C (43.7°F).Humidity
The average relative humidity in September in Bjärtrå is 81%.Rainfall
In Bjärtrå, in September, during 13.6 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 134.7 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Bjärtrå.Daylight
The average length of the day in September in Bjärtrå is 12h and 58min.On the first day of the month, sunrise is at 05:36 and sunset at 20:00. On the last day of September, sunrise is at 06:55 and sunset at 18:21 CEST.
Sunshine
In Bjärtrå, Sweden, the average sunshine in September is 7.2h.UV index
In Bjärtrå, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bjärtrå, Sweden
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 6.5°C
The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (-8.4°C).
Average pressure in September
Bjärtrå, Sweden
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in September
Bjärtrå, Sweden
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Bjärtrå, Sweden
- Average humidity in September: 81%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (65%).
Average rainfall in September
Bjärtrå, Sweden
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Bjärtrå, Sweden
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in September
Bjärtrå, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (245mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bjärtrå, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bjärtrå, Sweden
- 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: 7h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Bjärtrå, Sweden
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are February and December (10.5 days).
Average UV index in September
Bjärtrå, Sweden
- 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 and December (UV index 1).
Average cloud cover in September
Bjärtrå, Sweden
- Average cloud cover in September: 53
The months with the most cloud cover are January and February (Cloud cover 65).
The months with the least cloud cover are June and July (Cloud cover 44).
Average visibility in September
Bjärtrå, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
