Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to a comfortable 16.5°C (61.7°F) from August's agreeable 21.2°C (70.2°F). The average low-temperature in Björsäter, Sweden, during September nights is a chilly 8.9°C (48°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Björsäter, during September, the rain falls for 12.7 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, there are 146.5 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
In Björsäter, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 49min.On the first day of the month, sunrise is at 05:56 and sunset at 19:55. On the last day of September, sunrise is at 06:59 and sunset at 18:32 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Björsäter, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 3 in September leads to these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What are September temperatures in Björsäter?
What is the average humidity in September in Björsäter?
How much does it rain in Björsäter in September?
When it does not snow in Björsäter?
Does it snow in Björsäter in September?
How many hours of daylight does Björsäter have in September?
What time are sunrise and sunset in September in Björsäter?
How many hours of sunshine does Björsäter have in September?
What is the UV index reading in September in Björsäter?
Average temperature in September
Björsäter, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Björsäter, Sweden
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Björsäter, Sweden
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Björsäter, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February, November and December (90%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Björsäter, Sweden
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Björsäter, Sweden
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Björsäter, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (130mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Björsäter, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Björsäter, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Björsäter, Sweden
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in September
Björsäter, 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
Björsäter, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Björsäter, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February and November (7km).
Björsäter, Sweden
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