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
September
Weather in September
Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's comfortable 19.4°C (66.9°F) to a still refreshing 16°C (60.8°F). Vässingsö, in the month of September, notes an average low temperature of 11.1°C (52°F), indicating a small decrease from the daytime highs.Humidity
In Vässingsö, Sweden, the average relative humidity in September is 80%.Rainfall
In Vässingsö, in September, it is raining for 16.1 days, with typically 51mm (2.01") of accumulated precipitation. In Vässingsö, during the entire year, the rain falls for 179.3 days and collects up to 570mm (22.44") of precipitation.Snowfall
In Vässingsö, snow does not fall in June through September.Daylight
The average length of the day in September in Vässingsö, Sweden, is 12h and 47min.On the first day of September in Vässingsö, sunrise is at 06:14 and sunset at 20:09. On the last day of the month, sunrise is at 07:14 and sunset at 18:48 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
The average daily maximum UV index in September in Vässingsö, Sweden, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Vässingsö?
What is the average humidity in September in Vässingsö?
How much does it rain in Vässingsö in September?
When it does not snow in Vässingsö?
Does it snow in Vässingsö in September?
How many hours of daylight does Vässingsö have in September?
What time are sunrise and sunset in September in Vässingsö?
How long on average sun shines in September in Vässingsö?
What is the UV index intensity in September in Vässingsö?
Average temperature in September
Vässingsö, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is February (1.6°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-1.6°C).
Average pressure in September
Vässingsö, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Vässingsö, Sweden
- Average wind speed in September: 17km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is June (14.8km/h).
Average humidity in September
Vässingsö, Sweden
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Vässingsö, Sweden
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (68mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Vässingsö, Sweden
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Vässingsö, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (58mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vässingsö, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vässingsö, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Vässingsö, Sweden
- Average sunshine days in September: 11 days
The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in September
Vässingsö, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Vässingsö, Sweden
- Average cloud cover in September: 48
The months with the most cloud cover are January, February, November and December (Cloud cover 64).
The month with the least cloud cover is June (Cloud cover 39).
Average visibility in September
Vässingsö, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
