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
As September commences, the average high-temperature subtly reduces, transitioning from an enjoyable 19.1°C (66.4°F) in August to a mild 15.3°C (59.5°F). In Forsvik, the nighttime temperature shows a slight difference from the daytime high, averaging to a fresh 10.5°C (50.9°F) during September.Humidity
In September, the average relative humidity in Forsvik is 79%.Rainfall
In September, in Forsvik, the rain falls for 10.3 days. Throughout September, 17mm (0.67") of precipitation is accumulated. In Forsvik, during the entire year, the rain falls for 109.6 days and collects up to 233mm (9.17") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Forsvik, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:02 and sunset at 20:02. On the last day of September, sunrise is at 07:05 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Take precautions - Protection against sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Forsvik in September?
What is the average humidity in September in Forsvik?
How many days does it rain in September in Forsvik?
When it does not snow in Forsvik?
Does it snow in Forsvik in September?
What is the average length of the day in September in Forsvik?
What time are sunrise and sunset in September in Forsvik?
How long on average sun shines in September in Forsvik?
What is the UV index intensity in September in Forsvik?
Average temperature in September
Forsvik, Sweden
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).
Average pressure in September
Forsvik, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Forsvik, Sweden
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is December (19.7km/h).
The calmest month (with the lowest average wind speed) is May (13.8km/h).
Average humidity in September
Forsvik, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (87%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall in September
Forsvik, Sweden
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (7mm).
Average rainfall days in September
Forsvik, Sweden
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Forsvik, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Forsvik, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Forsvik, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Forsvik, Sweden
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is April (19.3 days).
The month with the least sunshine days is August (14.7 days).
Average UV index in September
Forsvik, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Forsvik, Sweden
- Average cloud cover in September: 47
The months with the most cloud cover are February and December (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Forsvik, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
Forsvik, Sweden
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