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
A minor decrease in the average high-temperature is observed during September, shifting from a comfortable 19.7°C (67.5°F) in August to a moderate 15.9°C (60.6°F). Lilla Edet reports an average low-temperature of 9.6°C (49.3°F) during the nights of September.Humidity
The average relative humidity in September is 81%.Rainfall
In Lilla Edet, Sweden, in September, it is raining for 16.4 days, with typically 51mm (2.01") of accumulated precipitation. 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
The average length of the day in September is 12h and 48min.On the first day of September, sunrise is at 06:12 and sunset at 20:10. On the last day of the month, sunrise is at 07:14 and sunset at 18:47 CEST.
Sunshine
In Lilla Edet, the average sunshine in September is 7.4h.UV index
In Lilla Edet, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are the temperatures in Lilla Edet in September?
What is the average humidity in September in Lilla Edet?
How many days does it rain in September in Lilla Edet?
When it does not snow in Lilla Edet?
Does it snow in Lilla Edet in September?
How many hours of daylight does Lilla Edet have in September?
When are sunrise and sunset in September in Lilla Edet?
How many hours of sunshine does Lilla Edet have in September?
How high is the UV index in September in Lilla Edet?
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 5min
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 2min
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).
Lilla Edet, Sweden
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