September weather forecastBjörna, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Björna, Sweden, with an average temperature varying between 13.5°C (56.3°F) and 7.6°C (45.7°F).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 18°C (64.4°F) to a still refreshing 13.5°C (56.3°F). Björna experiences an average nighttime temperature of 7.6°C (45.7°F) in the month of September.Humidity
The average relative humidity in September in Björna is 80%.Rainfall
In September, in Björna, the rain falls for 12.5 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Björna, during the entire year, the rain falls for 118.4 days and collects up to 372mm (14.65") of precipitation.Snowfall
In Björna, Sweden, snow does not fall in June through September.Daylight
In September, the average length of the day in Björna is 13h and 0min.On the first day of September, sunrise is at 05:31 and sunset at 19:59. On the last day of the month, sunrise is at 06:52 and sunset at 18:18 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Björna, Sweden
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-7.5°C).
Average pressure in September
Björna, Sweden
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.5mbar).
Average wind speed in September
Björna, Sweden
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Björna, Sweden
- Average humidity in September: 80%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Björna, Sweden
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Björna, Sweden
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Björna, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (191mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Björna, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Björna, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Björna, Sweden
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in September
Björna, 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, November and December (UV index 1).
Average cloud cover in September
Björna, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Björna, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
