September weather forecastHällestad, Sweden
September
Weather in September
September, the first month of the autumn in Hällestad, is also an enjoyable month, with an average temperature varying between 9.2°C (48.6°F) and 16.5°C (61.7°F).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 21.3°C (70.3°F) in August to a refreshing 16.5°C (61.7°F). Throughout the nights in September, Hällestad experiences an average low-temperature of 9.2°C (48.6°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Hällestad, in September, during 10.4 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Hällestad, during the entire year, the rain falls for 120 days and collects up to 217mm (8.54") of precipitation.Snowfall
In Hällestad, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 49min.On the first day of September, sunrise is at 05:57 and sunset at 19:57. On the last day of the month, sunrise is at 07:01 and sunset at 18:33 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
In Hällestad, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hällestad, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in September
Hällestad, Sweden
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Hällestad, Sweden
- Average wind speed in September: 12.2km/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 (11km/h).
Average humidity in September
Hällestad, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (90%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in September
Hällestad, Sweden
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Hällestad, Sweden
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Hällestad, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (58mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hällestad, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hällestad, Sweden
- Average daylight in September: 12h and 48min
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: 8h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Hällestad, Sweden
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is March (17.3 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in September
Hällestad, Sweden
- Average UV index in September: 3
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
Hällestad, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June and August (Cloud cover 41).
Average visibility in September
Hällestad, 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).





