September weather forecastBjörbäck, Sweden
September
Weather in September
September, the first month of the autumn in Björbäck, is still a mild month, with an average temperature fluctuating between 10.4°C (50.7°F) and 15.9°C (60.6°F).Temperature
A subtle shift in Björbäck's weather is observed as August turns into September, with the average high temperature reducing from an enjoyable 19.5°C (67.1°F) to a mild 15.9°C (60.6°F). Björbäck records an average low-temperature of 10.4°C (50.7°F) throughout the month of September.Humidity
In September, the average relative humidity in Björbäck is 81%.Rainfall
In Björbäck, in September, it is raining for 16.5 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 179.4 rainfall days, and 599mm (23.58") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Björbäck.Daylight
In September, the average length of the day is 12h and 47min.On the first day of September, sunrise is at 06:13 and sunset at 20:09. On the last day of the month, sunrise is at 07:14 and sunset at 18:48 CEST.
Sunshine
In Björbäck, the average sunshine in September is 7.5h.UV index
In Björbäck, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Björbäck, Sweden
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The months with the lowest average high temperature are January and February (1.4°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is February (-2°C).
Average pressure in September
Björbäck, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Björbäck, Sweden
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is July (13.5km/h).
Average humidity in September
Björbäck, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Björbäck, Sweden
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is October (67mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Björbäck, Sweden
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is August (18.5 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Björbäck, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (107mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Björbäck, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Björbäck, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Björbäck, Sweden
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is April (14.4 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Björbäck, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Björbäck, Sweden
- Average cloud cover in September: 48
The months with the most cloud cover are February, November and December (Cloud cover 65).
The months with the least cloud cover are June and July (Cloud cover 40).
Average visibility in September
Björbäck, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
