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 corresponds with a subtle shift in the average high-temperature, slightly moving from a refreshing 17.7°C (63.9°F) in August to a mild 13.5°C (56.3°F). Västergränden registers a gentle descent to an average nighttime low of 10.1°C (50.2°F) in September from its daytime highs.Humidity
In Västergränden, the average relative humidity in September is 79%.Rainfall
In Västergränden, in September, during 15.6 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Västergränden, during the entire year, the rain falls for 151.1 days and collects up to 508mm (20") of precipitation.Snowfall
In Västergränden, snow does not fall in June through September.Daylight
The average length of the day in September in Västergränden is 12h and 59min.On the first day of the month, sunrise is at 06:21 and sunset at 20:45. On the last day of September, in Västergränden, sunrise is at 07:40 and sunset at 19:06 EEST.
Sunshine
The average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are September temperatures in Västergränden?
What is the average humidity in September in Västergränden?
How many days does it rain in September in Västergränden?
When it does not snow in Västergränden?
Does it snow in Västergränden in September?
How many hours of daylight does Västergränden have in September?
When is the sunrise / sunset in September in Västergränden?
How many hours of sunshine does Västergränden have in September?
How high is the UV index in September in Västergränden?
Average temperature in September
Västergränden, Finland
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (-2.8°C).
- Average low temperature in September: 10.1°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
Västergränden, Finland
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.6mbar).
Average wind speed in September
Västergränden, Finland
- Average wind speed in September: 18km/h
The windiest month (with the highest average wind speed) is December (21.4km/h).
The calmest month (with the lowest average wind speed) is July (15km/h).
Average humidity in September
Västergränden, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall in September
Västergränden, Finland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Västergränden, Finland
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Västergränden, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (155mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Västergränden, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Västergränden, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Västergränden, Finland
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (6.8 days).
Average UV index in September
Västergränden, 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
Västergränden, Finland
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Västergränden, 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 and March (8km).
Västergränden, Finland
Weather forecast for your location
2. Allow the app to use your location
