September weather forecastSturkö, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sturkö, Sweden, with an average temperature fluctuating between 13.9°C (57°F) and 16°C (60.8°F).Temperature
September's advent denotes a minor fluctuation in the average high-temperature to a still enjoyable 16°C (60.8°F) from August's 18.8°C (65.8°F). During the nights of September, Sturkö records an average temperature of 13.9°C (57°F), a minor drop from daytime peaks.Humidity
The months with the lowest humidity are April, June, August and September, with an average relative humidity of 78%.Rainfall
In Sturkö, during September, the rain falls for 11 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 126.5 rainfall days, and 298mm (11.73") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Sea temperature
In September, the average sea temperature in Sturkö is 16°C (60.8°F).Note: Swimming in 16°C (60.8°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Sturkö is 12h and 45min.On the first day of the month, sunrise is at 06:02 and sunset at 19:51. On the last day of September, in Sturkö, sunrise is at 06:59 and sunset at 18:34 CEST.
Sunshine
In September, the average sunshine in Sturkö is 8.5h.UV index
In September, the average daily maximum UV index in Sturkö, Sweden, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sturkö, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (2.3°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Sturkö, Sweden
- Average pressure in September: 1015.3mbar
The months with the highest atmospheric pressure are April and May (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in September
Sturkö, Sweden
- Average wind speed in September: 25.5km/h
The windiest month (with the highest average wind speed) is December (30.5km/h).
The calmest month (with the lowest average wind speed) is June (20.8km/h).
Average humidity in September
Sturkö, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April, June, August and September (78%).
Average rainfall in September
Sturkö, Sweden
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Sturkö, Sweden
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is November (14.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Sturkö, Sweden
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (33mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sturkö, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in September
Sturkö, Sweden
- Average sea temperature in September: 16°C
The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest months (with the lowest average sea temperature) are February and March (2.3°C).
Average daylight in September /
Average sunshine in September
Sturkö, Sweden
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Sturkö, Sweden
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is April (20.1 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in September
Sturkö, Sweden
- Average UV index in September: 4
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
Sturkö, Sweden
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in September
Sturkö, Sweden
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
