September weather forecastBacker, Sweden
September
Weather in September
September, the first month of the autumn in Backer, is still a refreshing month, with an average temperature varying between 16°C (60.8°F) and 10.5°C (50.9°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from 19.3°C (66.7°F) to a still refreshing 16°C (60.8°F). Throughout the month of September, Backer observes an average nighttime temperature of 10.5°C (50.9°F).Humidity
The average relative humidity in September in Backer is 80%.Rainfall
In Backer, Sweden, in September, it is raining for 16.6 days, with typically 51mm (2.01") of accumulated precipitation. In Backer, during the entire year, the rain falls for 175.1 days and collects up to 555mm (21.85") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Backer, the average length of the day in September is 12h and 47min.On the first day of the month, sunrise is at 06:13 and sunset at 20:10. On the last day of September, in Backer, sunrise is at 07:15 and sunset at 18:48 CEST.
Sunshine
In September, the average sunshine in Backer is 7.5h.UV index
The average daily maximum UV index in September in Backer is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Backer, Sweden
- Average high temperature in September: 16°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: 10.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in September
Backer, Sweden
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Backer, Sweden
- Average wind speed in September: 15.6km/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 June (13.7km/h).
Average humidity in September
Backer, Sweden
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Backer, Sweden
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (66mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Backer, Sweden
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Backer, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Backer, Sweden
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Backer, 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 36min).
- 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
Backer, Sweden
- Average sunshine days in September: 11 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in September
Backer, Sweden
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Backer, Sweden
- Average cloud cover in September: 48
The months with the most cloud cover are February, November and December (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in September
Backer, 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).





