September weather forecastKillskär, Sweden
September
Weather in September
September, the first month of the autumn in Killskär, is still a refreshing month, with temperature in the range of an average high of 15.6°C (60.1°F) and an average low of 9.6°C (49.3°F).Temperature
September indicates a minor shift in the average high-temperature, from August's pleasant 20.3°C (68.5°F) to a mild 15.6°C (60.1°F). The average low-temperature of 9.6°C (49.3°F) is witnessed during September.Humidity
The average relative humidity in September in Killskär is 78%.Rainfall
In September, in Killskär, the rain falls for 10.9 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 118.2 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
In Killskär, Sweden, snow does not fall in June through September.Daylight
In Killskär, the average length of the day in September is 12h and 53min.On the first day of the month, sunrise is at 05:42 and sunset at 19:52. On the last day of September, sunrise is at 06:52 and sunset at 18:22 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Killskär, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Killskär, 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 (-0.8°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Killskär, Sweden
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in September
Killskär, Sweden
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Killskär, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Killskär, Sweden
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Killskär, Sweden
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Killskär, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Killskär, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Killskär, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Killskär, Sweden
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in September
Killskär, 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, February and November (UV index 1).
Average cloud cover in September
Killskär, Sweden
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Killskär, Sweden
- Average visibility in September: 9km
The months with the highest visibility are January, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are February and March (8km).
