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 arrival of September correlates with a minor temperature reduction, down from August's pleasant 20.2°C (68.4°F) to a refreshing 15.6°C (60.1°F). Västerhaninge experiences a nighttime temperature average of 10.4°C (50.7°F) during September.Humidity
In Västerhaninge, Sweden, the average relative humidity in September is 79%.Rainfall
In Västerhaninge, in September, it is raining for 6.5 days, with typically 5mm (0.2") of accumulated precipitation. Throughout the year, in Västerhaninge, there are 73.9 rainfall days, and 85mm (3.35") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Västerhaninge, the average length of the day in September is 12h and 50min.On the first day of the month, sunrise is at 05:46 and sunset at 19:48. On the last day of September, sunrise is at 06:51 and sunset at 18:23 CEST.
Sunshine
In Västerhaninge, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the temperature in September in Västerhaninge?
What is the average humidity in September in Västerhaninge?
How much does it rain in Västerhaninge in September?
When it does not snow in Västerhaninge?
Does it snow in Västerhaninge in September?
How many hours of daylight does Västerhaninge have in September?
What time are sunrise and sunset in September in Västerhaninge?
How many hours of sunshine does Västerhaninge have in September?
How high is the UV index in September in Västerhaninge?
Average temperature in September
Västerhaninge, Sweden
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Västerhaninge, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Västerhaninge, Sweden
- Average wind speed in September: 14.9km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest months (with the lowest average wind speed) are July and August (13.1km/h).
Average humidity in September
Västerhaninge, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Västerhaninge, Sweden
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is July (10mm).
The driest month (with the least rainfall) is April (3mm).
Average rainfall days in September
Västerhaninge, Sweden
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Västerhaninge, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Västerhaninge, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Västerhaninge, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Västerhaninge, Sweden
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is March (22.8 days).
The month with the least sunshine days is December (18.1 days).
Average UV index in September
Västerhaninge, 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 and February (UV index 1).
Average cloud cover in September
Västerhaninge, Sweden
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Västerhaninge, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, June, July and August (10km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (9km).
Västerhaninge, Sweden
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