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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a pleasant 21.2°C (70.2°F) in August to a refreshing 16.5°C (61.7°F). Hackefors's nighttime temperature in September drops to an average of 9.2°C (48.6°F).Humidity
In September, the average relative humidity in Hackefors is 79%.Rainfall
In Hackefors, in September, during 11.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Hackefors, during the entire year, the rain falls for 131.1 days and collects up to 293mm (11.54") of precipitation.Snowfall
In Hackefors, snow does not fall in June through September.Daylight
In Hackefors, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 05:57 and sunset at 19:56. On the last day of September, in Hackefors, sunrise is at 07:00 and sunset at 18:33 CEST.
Sunshine
In Hackefors, Sweden, the average sunshine in September is 7.8h.UV index
In Hackefors, Sweden, 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: A daily high UV index of 3 in September leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the usual temperature for Hackefors in September?
What is the average humidity in September in Hackefors?
How much does it rain in Hackefors in September?
When it does not snow in Hackefors?
Does it snow in Hackefors in September?
How many hours of daylight does Hackefors have in September?
When are sunrise and sunset in September in Hackefors?
How long on average sun shines in September in Hackefors?
What is the UV index reading in September in Hackefors?
Average temperature in September
Hackefors, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (12.3°C).
The coldest months (with the lowest average low temperature) are January and February (-3.8°C).
Average pressure in September
Hackefors, Sweden
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Hackefors, Sweden
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Hackefors, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Hackefors, Sweden
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Hackefors, Sweden
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Hackefors, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hackefors, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hackefors, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Hackefors, Sweden
- Average sunshine days in September: 15.3 days
The months with the most sunshine days are April and May (15.7 days).
The month with the least sunshine days is February (13.1 days).
Average UV index in September
Hackefors, 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 March (UV index 1).
Average cloud cover in September
Hackefors, Sweden
- Average cloud cover in September: 48
The months with the most cloud cover are February and December (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in September
Hackefors, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
Hackefors, Sweden
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