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 August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a comfortable 16.9°C (62.4°F) to a still refreshing 13.3°C (55.9°F). Västersundsby experiences an average nighttime temperature of 10°C (50°F) in September, reflecting a minor difference from the day's peak.Humidity
In Västersundsby, Finland, the average relative humidity in September is 79%.Rainfall
In Västersundsby, in September, it is raining for 14.9 days, with typically 39mm (1.54") of accumulated precipitation. In Västersundsby, during the entire year, the rain falls for 134.8 days and collects up to 453mm (17.83") of precipitation.Snowfall
In Västersundsby, Finland, snow does not fall in June through September.Daylight
In Västersundsby, the average length of the day in September is 13h and 0min.On the first day of the month, sunrise is at 06:15 and sunset at 20:43. On the last day of September, in Västersundsby, sunrise is at 07:36 and sunset at 19:01 EEST.
Sunshine
In September, the average sunshine in Västersundsby, Finland, is 7.5h.UV index
In Västersundsby, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the temperature in September in Västersundsby?
What is the average humidity in September in Västersundsby?
How much does it rain in Västersundsby in September?
When it does not snow in Västersundsby?
Does it snow in Västersundsby in September?
How many hours of daylight does Västersundsby have in September?
When are sunrise and sunset in September in Västersundsby?
How many hours of sunshine does Västersundsby have in September?
What is the UV index reading in September in Västersundsby?
Average temperature in September
Västersundsby, Finland
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (17.6°C).
The months with the lowest average high temperature are January and February (-3.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-6.7°C).
Average pressure in September
Västersundsby, Finland
- 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
Västersundsby, Finland
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is July (15.1km/h).
Average humidity in September
Västersundsby, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (74%).
Average rainfall in September
Västersundsby, Finland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Västersundsby, Finland
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is August (17.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Västersundsby, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (147mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Västersundsby, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Västersundsby, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is June (Average sunshine: 13h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Västersundsby, Finland
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is December (10.4 days).
Average UV index in September
Västersundsby, Finland
- 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 and December (UV index 1).
Average cloud cover in September
Västersundsby, Finland
- Average cloud cover in September: 49
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are June and July (Cloud cover 38).
Average visibility in September
Västersundsby, Finland
- 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 and April (8km).
Västersundsby, Finland
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