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
Gåvsta experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from an agreeable 21.1°C (70°F) in August to a refreshing 16.3°C (61.3°F). In the month of September, an average of 8.7°C (47.7°F) marks the low-temperature.Humidity
In September, the average relative humidity in Gåvsta is 80%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, there are 133.9 rainfall days, and 332mm (13.07") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 05:45 and sunset at 19:51. On the last day of September, in Gåvsta, Sweden, sunrise is at 06:52 and sunset at 18:23 CEST.
Sunshine
In Gåvsta, Sweden, the average sunshine in September is 7.9h.UV index
In Gåvsta, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Gåvsta?
What is the average humidity in September in Gåvsta?
How many days does it rain in September in Gåvsta?
When it does not snow in Gåvsta?
Does it snow in Gåvsta in September?
How many hours of daylight does Gåvsta have in September?
When are sunrise and sunset in September in Gåvsta?
How long on average sun shines in September in Gåvsta?
What is the UV index reading in September in Gåvsta?
Average temperature in September
Gåvsta, Sweden
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Gåvsta, Sweden
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Gåvsta, Sweden
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in September
Gåvsta, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Gåvsta, Sweden
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Gåvsta, Sweden
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Gåvsta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gåvsta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gåvsta, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Gåvsta, Sweden
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Gåvsta, 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 March (UV index 1).
Average cloud cover in September
Gåvsta, Sweden
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Gåvsta, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The month with the lowest visibility is February (7km).
Gåvsta, Sweden
Weather forecast for your location
2. Allow the app to use your location