September weather forecastHallabro, Sweden
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Hallabro, Sweden, with an average temperature ranging between max 16.5°C (61.7°F) and min 11.6°C (52.9°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from an agreeable 20.3°C (68.5°F) in August to an enjoyable 16.5°C (61.7°F). Throughout September, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 11.6°C (52.9°F).Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 33mm (1.3") of precipitation is accumulated. In Hallabro, during the entire year, the rain falls for 164 days and collects up to 429mm (16.89") of precipitation.Snowfall
In Hallabro, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 46min.On the first day of September, sunrise is at 06:04 and sunset at 19:54. On the last day of the month, sunrise is at 07:01 and sunset at 18:36 CEST.
Sunshine
In Hallabro, the average sunshine in September is 8.4h.UV index
In Hallabro, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hallabro, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The months with the lowest average high temperature are January and February (1.8°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in September
Hallabro, Sweden
- Average pressure in September: 1015.1mbar
The months with the highest atmospheric pressure are April and May (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.7mbar).
Average wind speed in September
Hallabro, Sweden
- Average wind speed in September: 17.5km/h
The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is June (15.1km/h).
Average humidity in September
Hallabro, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (87%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Hallabro, Sweden
- Average rainfall in September: 33mm
The wettest months (with the highest rainfall) are October and November (45mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Hallabro, Sweden
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is November (16.9 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in September
Hallabro, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Hallabro, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hallabro, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Hallabro, Sweden
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is April (16.1 days).
The months with the least sunshine days are November and December (7.7 days).
Average UV index in September
Hallabro, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Hallabro, Sweden
- Average cloud cover in September: 42
The months with the most cloud cover are January, February and December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Hallabro, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).
