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
As September commences, the average high-temperature subtly reduces, transitioning from a comfortable 16.6°C (61.9°F) in August to a fresh 12.5°C (54.5°F). The September average low temperature, marginally lower than the daytime high, records at a frosty 8.6°C (47.5°F).Humidity
In September, the average relative humidity in Kallax, Sweden, is 79%.Rainfall
In Kallax, in September, during 12.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 110.8 rainfall days, and 409mm (16.1") of precipitation is accumulated.Snowfall
In Kallax, Sweden, snow does not fall in June through September.Daylight
In September, the average length of the day in Kallax is 13h and 5min.On the first day of the month, sunrise is at 05:10 and sunset at 19:52. On the last day of September, in Kallax, sunrise is at 06:40 and sunset at 18:02 CEST.
Sunshine
The average sunshine in September in Kallax is 7.3h.UV index
In Kallax, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kallax in September?
What is the average humidity in September in Kallax?
How many days does it rain in September in Kallax?
When it does not snow in Kallax?
Does it snow in Kallax in September?
What is the average length of the day in September in Kallax?
When are sunrise and sunset in September in Kallax?
How long on average sun shines in September in Kallax?
What is the UV index intensity in September in Kallax?
Average temperature in September
Kallax, Sweden
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in September
Kallax, Sweden
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Kallax, Sweden
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).
Average humidity in September
Kallax, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Kallax, Sweden
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Kallax, Sweden
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Kallax, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kallax, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kallax, Sweden
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 22h and 24min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Kallax, Sweden
- Average sunshine days in September: 15.1 days
The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).
Average UV index in September
Kallax, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Kallax, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Kallax, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
