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
September
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a comfortable 19.3°C (66.7°F) in August to a still enjoyable 16°C (60.8°F). During September, the average low-temperature in Gullö is a fresh 10.5°C (50.9°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Gullö, during September, the rain falls for 16.6 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 175.1 rainfall days, and 555mm (21.85") of precipitation is accumulated.Snowfall
In Gullö, Sweden, snow does not fall in June through September.Daylight
In September, the average length of the day 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
The average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Gullö have in September?
When is the sunrise / sunset in September in Gullö?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Gullö, 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
Gullö, 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
Gullö, 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
Gullö, 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
Gullö, 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
Gullö, 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
Gullö, 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
Gullö, 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
Gullö, Sweden
- Average daylight in September: 12h and 5min
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 3min
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
Gullö, 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
Gullö, 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
Gullö, 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
Gullö, 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).
