September weather forecastErvasteby, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ervasteby, Sweden, with an average temperature ranging between min 10.1°C (50.2°F) and max 15.6°C (60.1°F).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from a comfortable 19.9°C (67.8°F) in August to a moderate 15.6°C (60.1°F). The nights of September anticipate an average low-temperature of 10.1°C (50.2°F).Humidity
In Ervasteby, Sweden, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 9 days. Throughout September, 12mm (0.47") of precipitation is accumulated. Throughout the year, there are 99.7 rainfall days, and 174mm (6.85") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Ervasteby, Sweden.Daylight
The average length of the day in September is 12h and 49min.On the first day of September in Ervasteby, sunrise is at 05:59 and sunset at 19:59. On the last day of the month, sunrise is at 07:03 and sunset at 18:35 CEST.
Sunshine
In Ervasteby, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index in Ervasteby is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ervasteby, Sweden
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-3°C).
Average pressure in September
Ervasteby, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Ervasteby, Sweden
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is May (12.7km/h).
Average humidity in September
Ervasteby, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Ervasteby, Sweden
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days in September
Ervasteby, Sweden
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Ervasteby, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Ervasteby, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ervasteby, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Ervasteby, Sweden
- Average sunshine days in September: 19 days
The month with the most sunshine days is April (19.6 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in September
Ervasteby, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Ervasteby, Sweden
- Average cloud cover in September: 47
The months with the most cloud cover are February and December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 41).
Average visibility in September
Ervasteby, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (8km).
