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
September's onset brings a negligible change in high-temperatures, falling from an agreeable 20.1°C (68.2°F) in August to a refreshing 16.5°C (61.7°F). The month of September is marked by an average minimum temperature of 12.5°C (54.5°F), slightly cooler than its daytime counterpart.Humidity
The average relative humidity in September is 78%.Rainfall
In Vik, in September, it is raining for 10.1 days, with typically 12mm (0.47") of accumulated precipitation. Throughout the year, there are 122.8 rainfall days, and 180mm (7.09") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 44min.On the first day of September, sunrise is at 06:09 and sunset at 19:56. On the last day of the month, sunrise is at 07:04 and sunset at 18:40 CEST.
Sunshine
In Vik, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in Vik in September?
When it does not snow?
How many hours of daylight does Vik have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Vik, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (20.1°C).
The month with the lowest average high temperature is February (2.4°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (-0.1°C).
Average pressure in September
Vik, Sweden
- Average pressure in September: 1015.4mbar
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
Vik, Sweden
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is December (23.3km/h).
The calmest month (with the lowest average wind speed) is June (16.7km/h).
Average humidity in September
Vik, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are January, February and December (86%).
The months with the lowest relative humidity are April, May, June and July (76%).
Average rainfall in September
Vik, Sweden
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is July (21mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in September
Vik, Sweden
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is August (12.7 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in September
Vik, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Vik, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vik, Sweden
- Average daylight in September: 12h and 4min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Vik, Sweden
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is April (19.1 days).
The month with the least sunshine days is December (11.4 days).
Average UV index in September
Vik, 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
Vik, Sweden
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Vik, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
