September weather forecastStrömören, Sweden
September
Weather in September
The first month of the autumn, September, is still a cool month in Strömören, Sweden, with an average temperature fluctuating between 12.5°C (54.5°F) and 8.6°C (47.5°F).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a refreshing 16.6°C (61.9°F) in August to a cool 12.5°C (54.5°F). Strömören's nighttime average temperature in September subtly descends to a chilly 8.6°C (47.5°F) from the daily highs.Humidity
In Strömören, the average relative humidity in September is 79%.Rainfall
In Strömören, in September, it is raining for 12.5 days, with typically 36mm (1.42") of accumulated precipitation. In Strömören, during the entire year, the rain falls for 110.8 days and collects up to 409mm (16.1") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 13h and 5min.On the first day of the month, sunrise is at 05:10 and sunset at 19:51. On the last day of September, in Strömören, sunrise is at 06:39 and sunset at 18:01 CEST.
Sunshine
The average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Strömören, Sweden
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in September
Strömören, Sweden
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Strömören, Sweden
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).
Average humidity in September
Strömören, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Strömören, Sweden
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Strömören, Sweden
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Strömören, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Strömören, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Strömören, Sweden
- Average daylight in September: 13h and 6min
The month with the longest days is June (Average daylight: 22h and 24min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Strömören, Sweden
- Average sunshine days in September: 15.1 days
The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).
Average UV index in September
Strömören, 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, November and December (UV index 1).
Average cloud cover in September
Strömören, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Strömören, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
