September weather forecastGraneberg, Sweden
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Graneberg, Sweden, with an average temperature fluctuating between 16.3°C (61.3°F) and 8.7°C (47.7°F).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a pleasant 21.1°C (70°F) in August to an enjoyable 16.3°C (61.3°F). In Graneberg, the expected average low-temperature for September is a frosty 8.7°C (47.7°F).Humidity
In September, the average relative humidity in Graneberg is 80%.Rainfall
In Graneberg, in September, during 11.7 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, in Graneberg, there are 133.9 rainfall days, and 332mm (13.07") of precipitation is accumulated.Snowfall
In Graneberg, snow does not fall in June through September.Daylight
In Graneberg, the average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 05:46 and sunset at 19:52. On the last day of September, sunrise is at 06:53 and sunset at 18:24 CEST.
Sunshine
In Graneberg, Sweden, the average sunshine in September is 7.9h.UV index
In Graneberg, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Graneberg, Sweden
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Graneberg, Sweden
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Graneberg, Sweden
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in September
Graneberg, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Graneberg, Sweden
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Graneberg, Sweden
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Graneberg, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Graneberg, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Graneberg, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Graneberg, Sweden
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Graneberg, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in September
Graneberg, Sweden
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Graneberg, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The month with the lowest visibility is February (7km).





