September weather forecastHallerndorf, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Hallerndorf, Germany, with an average temperature fluctuating between 9.8°C (49.6°F) and 19.4°C (66.9°F).Temperature
A mild shift in the average high-temperature occurs in September, reducing from a warm 24.2°C (75.6°F) in August to an enjoyable 19.4°C (66.9°F). The nights of September anticipate an average low-temperature of 9.8°C (49.6°F).Humidity
In September, the average relative humidity in Hallerndorf, Germany, is 77%.Rainfall
In Hallerndorf, during September, the rain falls for 10.3 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, there are 152.7 rainfall days, and 455mm (17.91") of precipitation is accumulated.Snowfall
In Hallerndorf, snow does not fall in May through October.Daylight
In Hallerndorf, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:32 and sunset at 19:59. On the last day of the month, sunrise is at 07:15 and sunset at 18:56 CEST.
Sunshine
In Hallerndorf, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Hallerndorf is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hallerndorf, Germany
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Hallerndorf, Germany
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in September
Hallerndorf, Germany
- Average wind speed in September: 8.6km/h
The windiest months (with the highest average wind speed) are February and December (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Hallerndorf, Germany
- Average humidity in September: 77%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in September
Hallerndorf, Germany
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Hallerndorf, Germany
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in September
Hallerndorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hallerndorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hallerndorf, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in September
Hallerndorf, Germany
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in September
Hallerndorf, Germany
- 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, February, March, November and December (UV index 2).
Average cloud cover in September
Hallerndorf, Germany
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Hallerndorf, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
