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
September's onset brings a negligible change in high-temperatures, falling from an enjoyable 17.8°C (64°F) in August to a mild 13.5°C (56.3°F). Rundvik witnesses a consistent average low-temperature of 8.4°C (47.1°F) throughout September.Humidity
In Rundvik, the average relative humidity in September is 79%.Rainfall
In Rundvik, in September, during 10.9 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 106.2 rainfall days, and 345mm (13.58") of precipitation is accumulated.Snowfall
In Rundvik, snow does not fall in June through September.Daylight
In Rundvik, the average length of the day in September is 12h and 59min.On the first day of the month, sunrise is at 05:28 and sunset at 19:55. On the last day of September, in Rundvik, sunrise is at 06:49 and sunset at 18:14 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 3 in September leads to these guidelines:
Take precautions - Protection against sun damage is advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the temperature in September in Rundvik?
What is the average humidity in September in Rundvik?
How many days does it rain in September in Rundvik?
When it does not snow in Rundvik?
Does it snow in Rundvik in September?
How many hours of daylight does Rundvik have in September?
When are sunrise and sunset in September in Rundvik?
How long on average sun shines in September in Rundvik?
What is the UV index intensity in September in Rundvik?
Average temperature in September
Rundvik, Sweden
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (-3.3°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-7.5°C).
Average pressure in September
Rundvik, Sweden
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in September
Rundvik, Sweden
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Rundvik, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Rundvik, Sweden
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (40mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Rundvik, Sweden
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Rundvik, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (171mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rundvik, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rundvik, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in September: 7h and 5min
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 30min).
Average sunshine days in September
Rundvik, Sweden
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is June (18.7 days).
The month with the least sunshine days is January (11 days).
Average UV index in September
Rundvik, 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, November and December (UV index 1).
Average cloud cover in September
Rundvik, Sweden
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Rundvik, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).
Rundvik, Sweden
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