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
The arrival of September corresponds with a temperature reduction, down from August's refreshing 17.3°C (63.1°F) to a fresh 11.5°C (52.7°F). In Gullträsk, the nighttime temperature averages to a wintry 4.8°C (40.6°F) during September.Humidity
In September, the average relative humidity in Gullträsk, Sweden, is 83%.Rainfall
In September, in Gullträsk, the rain falls for 13.7 days. Throughout September, 41mm (1.61") of precipitation is accumulated. In Gullträsk, Sweden, during the entire year, the rain falls for 108.5 days and collects up to 473mm (18.62") of precipitation.Snowfall
Months with snowfall in Gullträsk, Sweden, are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, in Gullträsk, there are 123.4 snowfall days, and 1604mm (63.15") of snow is accumulated.Daylight
In Gullträsk, the average length of the day in September is 13h and 7min.On the first day of September in Gullträsk, sunrise is at 05:11 and sunset at 19:58. On the last day of the month, sunrise is at 06:44 and sunset at 18:05 CEST.
Sunshine
In September, the average sunshine in Gullträsk, Sweden, is 6.5h.UV index
In September, the average daily maximum UV index in Gullträsk is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: During September, 2 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gullträsk in September?
What is the average humidity in September in Gullträsk?
How many days does it rain in September in Gullträsk?
When does it start snowing in Gullträsk?
What is the average length of the day in September in Gullträsk?
When is the sunrise / sunset in September in Gullträsk?
How long on average sun shines in September in Gullträsk?
How high is the UV index in September in Gullträsk?
Average temperature in September
Gullträsk, Sweden
- Average high temperature in September: 11.5°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (-8.4°C).
- Average low temperature in September: 4.8°C
The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is January (-14°C).
Average pressure in September
Gullträsk, Sweden
- Average pressure in September: 1010.7mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Gullträsk, Sweden
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (11.1km/h).
The calmest month (with the lowest average wind speed) is November (9.2km/h).
Average humidity in September
Gullträsk, Sweden
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (64%).
Average rainfall in September
Gullträsk, Sweden
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Gullträsk, Sweden
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Gullträsk, Sweden
- Average snowfall in September: 9mm
The month with the highest snowfall is December (333mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Gullträsk, Sweden
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Gullträsk, Sweden
- Average daylight in September: 13h and 1min
The month with the longest days is July (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 3h and 0min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Gullträsk, Sweden
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is April (9.5 days).
Average UV index in September
Gullträsk, Sweden
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Gullträsk, Sweden
- Average cloud cover in September: 57
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 48).
Average visibility in September
Gullträsk, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February, March and December (5km).
