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
The onset of September results in a small decrease in the average high-temperature, moderately receding from 18.7°C (65.7°F) in August to a still refreshing 14°C (57.2°F). September nights in Vi, Sweden, are marked by an average temperature drop to a chilly 7.3°C (45.1°F).Humidity
The average relative humidity in September in Vi is 79%.Rainfall
In Vi, Sweden, during September, the rain falls for 11.7 days and regularly aggregates up to 32mm (1.26") of precipitation. In Vi, during the entire year, the rain falls for 117.2 days and collects up to 384mm (15.12") of precipitation.Snowfall
In Vi, snow does not fall in June through September.Daylight
The average length of the day in September in Vi is 12h and 57min.On the first day of the month, sunrise is at 05:39 and sunset at 20:00. On the last day of September, sunrise is at 06:56 and sunset at 18:23 CEST.
Sunshine
In Vi, the average sunshine in September is 7.6h.UV index
In Vi, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Vi in September?
What is the average humidity in September in Vi?
How many days does it rain in September in Vi?
When it does not snow in Vi?
Does it snow in Vi in September?
How many hours of daylight does Vi have in September?
When is the sunrise / sunset in September in Vi?
How long on average sun shines in September in Vi?
How high is the UV index in September in Vi?
Average temperature in September
Vi, Sweden
- Average high temperature in September: 14°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.9°C).
Average pressure in September
Vi, Sweden
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).
Average wind speed in September
Vi, Sweden
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is January (11.9km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Vi, 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 (66%).
Average rainfall in September
Vi, Sweden
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Vi, Sweden
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Vi, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (217mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vi, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vi, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Vi, Sweden
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in September
Vi, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and 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
Vi, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Vi, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February and March (7km).
Vi, Sweden
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