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
With the arrival of September, Ekerö notices a mild change in the average high-temperature, sliding from August's pleasant 20.4°C (68.7°F) to a mild 15.8°C (60.4°F). In September, Ekerö's temperature tends to fall to an average low of 10°C (50°F) during the night.Humidity
In Ekerö, the average relative humidity in September is 80%.Rainfall
In Ekerö, Sweden, in September, it is raining for 13.2 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 141.5 rainfall days, and 378mm (14.88") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Ekerö.Daylight
In Ekerö, the average length of the day in September is 12h and 50min.On the first day of September in Ekerö, Sweden, sunrise is at 05:47 and sunset at 19:50. On the last day of the month, sunrise is at 06:52 and sunset at 18:24 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Ekerö in September?
What is the average humidity in September in Ekerö?
How many days does it rain in September in Ekerö?
When it does not snow in Ekerö?
Does it snow in Ekerö in September?
What is the average length of the day in September in Ekerö?
What time are sunrise and sunset in September in Ekerö?
How long on average sun shines in September in Ekerö?
What is the UV index intensity in September in Ekerö?
Average temperature in September
Ekerö, Sweden
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Ekerö, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Ekerö, Sweden
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).
Average humidity in September
Ekerö, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Ekerö, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Ekerö, Sweden
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Ekerö, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (102mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ekerö, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ekerö, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Ekerö, Sweden
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is February (11.9 days).
Average UV index in September
Ekerö, 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
Ekerö, 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
Ekerö, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Ekerö, Sweden
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