September weather forecastSifferbo, Sweden
September
Weather in September
The first month of the autumn, September, is still a mild month in Sifferbo, Sweden, with an average temperature ranging between max 14.5°C (58.1°F) and min 6.8°C (44.2°F).Temperature
September is characterized by a slight reduction in average high-temperature, easing from an enjoyable 19.3°C (66.7°F) in August to a moderate 14.5°C (58.1°F). The average low-temperature of 6.8°C (44.2°F) is witnessed during September.Humidity
The average relative humidity in September is 80%.Rainfall
In Sifferbo, in September, during 10.3 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, there are 109.7 rainfall days, and 223mm (8.78") of precipitation is accumulated.Snowfall
In Sifferbo, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 53min.On the first day of September, sunrise is at 05:54 and sunset at 20:03. On the last day of the month, sunrise is at 07:03 and sunset at 18:33 CEST.
Sunshine
In September, the average sunshine in Sifferbo is 7.1h.UV index
The average daily maximum UV index in September in Sifferbo, Sweden, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sifferbo, Sweden
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-7.2°C).
Average pressure in September
Sifferbo, Sweden
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1007.2mbar).
Average wind speed in September
Sifferbo, Sweden
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (10.7km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in September
Sifferbo, Sweden
- Average humidity in September: 80%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in September
Sifferbo, Sweden
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is July (31mm).
The driest months (with the least rainfall) are January and February (12mm).
Average rainfall days in September
Sifferbo, Sweden
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Sifferbo, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sifferbo, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sifferbo, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Sifferbo, Sweden
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Sifferbo, 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
Sifferbo, Sweden
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are June and July (Cloud cover 47).
Average visibility in September
Sifferbo, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).





