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 commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a comfortable 19.2°C (66.6°F) in August to a still refreshing 15.1°C (59.2°F). Storfors registers a consistent average low-temperature of 7.8°C (46°F) during September.Humidity
The average relative humidity in September in Storfors is 81%.Rainfall
In September, in Storfors, the rain falls for 14.3 days. Throughout September, 38mm (1.5") of precipitation is accumulated. In Storfors, during the entire year, the rain falls for 154.1 days and collects up to 522mm (20.55") of precipitation.Snowfall
In Storfors, Sweden, snow does not fall in June through September.Daylight
The average length of the day in September in Storfors is 12h and 51min.On the first day of September, sunrise is at 06:00 and sunset at 20:05. On the last day of the month, sunrise is at 07:07 and sunset at 18:38 CEST.
Sunshine
In September, the average sunshine in Storfors is 7.4h.UV index
The average daily maximum UV index in September in Storfors is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Storfors in September?
What is the average humidity in September in Storfors?
How much does it rain in Storfors in September?
When it does not snow in Storfors?
Does it snow in Storfors in September?
How many hours of daylight does Storfors have in September?
When is the sunrise / sunset in September in Storfors?
How long on average sun shines in September in Storfors?
How high is the UV index in September in Storfors?
Average temperature in September
Storfors, Sweden
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in September
Storfors, Sweden
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Storfors, Sweden
- Average wind speed in September: 11.7km/h
The windiest months (with the highest average wind speed) are January, November and December (12.3km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Storfors, Sweden
- Average humidity in September: 81%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in September
Storfors, Sweden
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Storfors, Sweden
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in September
Storfors, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Storfors, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Storfors, Sweden
- Average daylight in September: 12h and 5min
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 12min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Storfors, Sweden
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in September
Storfors, 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 and March (UV index 1).
Average cloud cover in September
Storfors, Sweden
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in September
Storfors, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The month with the lowest visibility is February (6km).
Storfors, Sweden
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