September weather forecastHallenberg, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Hallenberg, Germany, with an average temperature fluctuating between 17.1°C (62.8°F) and 8.4°C (47.1°F).Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from an agreeable 21.6°C (70.9°F) in August to a refreshing 17.1°C (62.8°F). Hallenberg, during the nights of September, experiences an average temperature drop to a frosty 8.4°C (47.1°F).Humidity
The average relative humidity in September in Hallenberg is 82%.Rainfall
September is the month with the least rainfall in Hallenberg. Rain falls for 13.3 days and accumulates 33mm (1.3") of precipitation.Snowfall
In Hallenberg, snow does not fall in June through September.Daylight
The average length of the day in September in Hallenberg is 12h and 38min.On the first day of the month, sunrise is at 06:39 and sunset at 20:11. On the last day of September, sunrise is at 07:25 and sunset at 19:05 CEST.
Sunshine
In Hallenberg, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September in Hallenberg, Germany, is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hallenberg, Germany
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is August (11.7°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in September
Hallenberg, Germany
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Hallenberg, Germany
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Hallenberg, Germany
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (92%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Hallenberg, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Hallenberg, Germany
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Hallenberg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (246mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hallenberg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hallenberg, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Hallenberg, Germany
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is December (8.3 days).
Average UV index in September
Hallenberg, Germany
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Hallenberg, Germany
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Hallenberg, Germany
- Average visibility in September: 7km
The months with the highest visibility are April, May, June, July and August (8km).
The month with the lowest visibility is January (6km).
