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
September comes with a drop in the average high-temperature, falling from August's enjoyable 18.9°C (66°F) to a mild 13.7°C (56.7°F). The mean low-temperature during September nights is a chilly 6.5°C (43.7°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Hassela, during September, the rain falls for 13 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 126 rainfall days, and 437mm (17.2") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 56min.On the first day of the month, sunrise is at 05:43 and sunset at 20:02. On the last day of September, sunrise is at 06:59 and sunset at 18:26 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hassela 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 Hassela have in September?
When is the sunrise / sunset in September in Hassela?
How many hours of sunshine does Hassela have in September?
What is the UV index reading in September?
Average temperature in September
Hassela, Sweden
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in September: 6.5°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (-7.8°C).
Average pressure in September
Hassela, Sweden
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.1mbar).
Average wind speed in September
Hassela, Sweden
- Average wind speed in September: 9.5km/h
The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Hassela, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are May and June (67%).
Average rainfall in September
Hassela, Sweden
- Average rainfall in September: 36mm
The wettest months (with the highest rainfall) are July and December (44mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Hassela, Sweden
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Hassela, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (286mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hassela, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hassela, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Hassela, Sweden
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is August (15.2 days).
The month with the least sunshine days is February (10 days).
Average UV index in September
Hassela, 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 and December (UV index 1).
Average cloud cover in September
Hassela, Sweden
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in September
Hassela, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).
