September weather forecastSurte, Sweden
September
Weather in September
September, the first month of the autumn in Surte, is still a comfortable month, with an average temperature varying between 16°C (60.8°F) and 10.5°C (50.9°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a refreshing 19.3°C (66.7°F) in August to a still comfortable 16°C (60.8°F). Throughout September nights, Surte registers an average low-temperature of 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Surte, in September, it is raining for 16.6 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, in Surte, Sweden, there are 175.1 rainfall days, and 555mm (21.85") of precipitation is accumulated.Snowfall
In Surte, snow does not fall in June through September.Daylight
In September, the average length of the day in Surte, Sweden, is 12h and 47min.On the first day of September, sunrise is at 06:13 and sunset at 20:10. On the last day of the month, sunrise is at 07:15 and sunset at 18:48 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In Surte, Sweden, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Surte, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The months with the lowest average high temperature are January and February (1.4°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in September
Surte, Sweden
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Surte, Sweden
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is June (13.7km/h).
Average humidity in September
Surte, Sweden
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Surte, Sweden
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (66mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Surte, Sweden
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Surte, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Surte, Sweden
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Surte, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Surte, Sweden
- Average sunshine days in September: 11 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in September
Surte, Sweden
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Surte, Sweden
- Average cloud cover in September: 48
The months with the most cloud cover are February, November and December (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in September
Surte, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).





