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
The advent of September brings a slight shift in average high-temperature, moving from a pleasant 20.5°C (68.9°F) in August to an enjoyable 16.1°C (61°F). Hällabrottet, in September, observes a steady average low-temperature of 9°C (48.2°F).Humidity
In September, the average relative humidity in Hällabrottet, Sweden, is 80%.Rainfall
In Hällabrottet, during September, the rain falls for 13.5 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 155.9 rainfall days, and 476mm (18.74") of precipitation is accumulated.Snowfall
In Hällabrottet, Sweden, snow does not fall in June through September.Daylight
In Hällabrottet, the average length of the day in September is 12h and 50min.On the first day of the month, sunrise is at 05:57 and sunset at 20:00. On the last day of September, sunrise is at 07:03 and sunset at 18:34 CEST.
Sunshine
In Hällabrottet, the average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September in Hällabrottet is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the temperature in September in Hällabrottet?
What is the average humidity in September in Hällabrottet?
How many days does it rain in September in Hällabrottet?
When it does not snow in Hällabrottet?
Does it snow in Hällabrottet in September?
How many hours of daylight does Hällabrottet have in September?
What time are sunrise and sunset in September in Hällabrottet?
How long on average sun shines in September in Hällabrottet?
How high is the UV index in September in Hällabrottet?
Average temperature in September
Hällabrottet, Sweden
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).
Average pressure in September
Hällabrottet, Sweden
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in September
Hällabrottet, Sweden
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Hällabrottet, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Hällabrottet, Sweden
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (62mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Hällabrottet, Sweden
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Hällabrottet, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (145mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hällabrottet, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hällabrottet, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Hällabrottet, Sweden
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is April (13.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in September
Hällabrottet, 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 and February (UV index 1).
Average cloud cover in September
Hällabrottet, Sweden
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility in September
Hällabrottet, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).
Hällabrottet, Sweden
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