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
September
Weather in September
Temperature
Onset of September comes with a temperature decline, the average high falling from a comfortable 17°C (62.6°F) in August to a cool 11.7°C (53.1°F). Strömsund temperatures generally rest at a low of 5.1°C (41.2°F) during the September nights.Humidity
The average relative humidity in September is 83%.Rainfall
In Strömsund, in September, it is raining for 13.9 days, with typically 46mm (1.81") of accumulated precipitation. In Strömsund, during the entire year, the rain falls for 127.8 days and collects up to 497mm (19.57") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 2mm (0.08") of snow. In Strömsund, during the entire year, snow falls for 117.1 days and aggregates up to 1555mm (61.22") of snow.Daylight
In Strömsund, the average length of the day in September is 13h and 1min.On the first day of the month, sunrise is at 05:42 and sunset at 20:12. On the last day of September, sunrise is at 07:05 and sunset at 18:30 CEST.
Sunshine
In Strömsund, the average sunshine in September is 6.5h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Strömsund have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Strömsund?
Average temperature in September
Strömsund, Sweden
- Average high temperature in September: 11.7°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-5.6°C).
- Average low temperature in September: 5.1°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-11.2°C).
Average pressure in September
Strömsund, Sweden
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.6mbar).
Average wind speed in September
Strömsund, Sweden
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Strömsund, Sweden
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (67%).
Average rainfall in September
Strömsund, Sweden
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Strömsund, Sweden
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Strömsund, Sweden
- Average snowfall in September: 2mm
The month with the highest snowfall is December (328mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Strömsund, Sweden
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Strömsund, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Strömsund, Sweden
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (14.4 days).
The months with the least sunshine days are January and December (9.4 days).
Average UV index in September
Strömsund, Sweden
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Strömsund, Sweden
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Strömsund, Sweden
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and December (6km).
