September weather forecastSödervärn, Sweden
September
Weather in September
September, the first month of the autumn in Södervärn, is still a refreshing month, with temperature in the range of an average low of 12.4°C (54.3°F) and an average high of 16.9°C (62.4°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a pleasant 20.7°C (69.3°F) in August to a comfortable 16.9°C (62.4°F). In Södervärn, September nights experience a modest descent in temperature from daily peaks, cooling down to an average of 12.4°C (54.3°F).Humidity
In Södervärn, the average relative humidity in September is 78%.Rainfall
In Södervärn, Sweden, in September, it is raining for 11.8 days, with typically 29mm (1.14") of accumulated precipitation. In Södervärn, Sweden, during the entire year, the rain falls for 155.2 days and collects up to 339mm (13.35") of precipitation.Snowfall
May through October are months without snowfall in Södervärn.Daylight
In Södervärn, the average length of the day in September is 12h and 44min.On the first day of the month, sunrise is at 06:14 and sunset at 20:01. On the last day of September, sunrise is at 07:09 and sunset at 18:45 CEST.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. 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
Average temperature in September
Södervärn, Sweden
- Average high temperature in September: 16.9°C
The warmest months (with the highest average high temperature) are July and August (20.7°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Södervärn, Sweden
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).
Average wind speed in September
Södervärn, Sweden
- Average wind speed in September: 17.7km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest months (with the lowest average wind speed) are June and July (15.3km/h).
Average humidity in September
Södervärn, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April, May and June (74%).
Average rainfall in September
Södervärn, Sweden
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Södervärn, Sweden
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Södervärn, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Södervärn, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Södervärn, Sweden
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Södervärn, Sweden
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is April (16 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Södervärn, Sweden
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Södervärn, Sweden
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Södervärn, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).





