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
As September commences, the average high-temperature subtly reduces, transitioning from a comfortable 19.8°C (67.6°F) in August to a mild 15.8°C (60.4°F). Throughout September, Hällekis's nights cool down to an average of 9.7°C (49.5°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Hällekis, in September, it is raining for 12.4 days, with typically 32mm (1.26") of accumulated precipitation. In Hällekis, Sweden, during the entire year, the rain falls for 152.6 days and collects up to 462mm (18.19") of precipitation.Snowfall
In Hällekis, snow does not fall in June through September.Daylight
In Hällekis, the average length of the day in September is 12h and 49min.On the first day of September in Hällekis, Sweden, sunrise is at 06:05 and sunset at 20:06. On the last day of the month, sunrise is at 07:09 and sunset at 18:42 CEST.
Sunshine
In Hällekis, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Hällekis is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are September temperatures in Hällekis?
What is the average humidity in September in Hällekis?
How many days does it rain in September in Hällekis?
When it does not snow in Hällekis?
Does it snow in Hällekis in September?
How many hours of daylight does Hällekis have in September?
When are sunrise and sunset in September in Hällekis?
How long on average sun shines in September in Hällekis?
What is the UV index intensity in September in Hällekis?
Average temperature in September
Hällekis, Sweden
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).
Average pressure in September
Hällekis, Sweden
- Average pressure in September: 1013.6mbar
The months with the highest atmospheric pressure are April and May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Hällekis, Sweden
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Hällekis, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Hällekis, Sweden
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Hällekis, Sweden
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Hällekis, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hällekis, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hällekis, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Hällekis, Sweden
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in September
Hällekis, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Hällekis, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in September
Hällekis, Sweden
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
Hällekis, Sweden
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