September weather forecastLilla Edet, Sweden
September
Weather in September
September, the first month of the autumn in Lilla Edet, is still a refreshing month, with an average temperature fluctuating between 9.6°C (49.3°F) and 15.9°C (60.6°F).Temperature
With the commencement of September, Lilla Edet records a moderate temperature decline, with the average high easing from August's enjoyable 19.7°C (67.5°F) to a still refreshing 15.9°C (60.6°F). An average low-temperature of 9.6°C (49.3°F) is observed during the September nights.Humidity
The average relative humidity in September in Lilla Edet is 81%.Rainfall
In Lilla Edet, Sweden, in September, during 16.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, there are 177.9 rainfall days, and 589mm (23.19") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Lilla Edet is 12h and 48min.On the first day of the month, sunrise is at 06:12 and sunset at 20:10. On the last day of September, sunrise is at 07:14 and sunset at 18:47 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Lilla Edet, Sweden, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lilla Edet, Sweden
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (0.7°C).
- Average low temperature in September: 9.6°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in September
Lilla Edet, Sweden
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Lilla Edet, Sweden
- Average wind speed in September: 13.3km/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 (11.9km/h).
Average humidity in September
Lilla Edet, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are February and November (89%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Lilla Edet, Sweden
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (68mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Lilla Edet, Sweden
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Lilla Edet, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lilla Edet, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lilla Edet, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Lilla Edet, Sweden
- Average sunshine days in September: 11 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in September
Lilla Edet, Sweden
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Lilla Edet, Sweden
- Average cloud cover in September: 49
The months with the most cloud cover are February and December (Cloud cover 67).
The months with the least cloud cover are May, June and July (Cloud cover 42).
Average visibility in September
Lilla Edet, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
