September weather forecastWalldorf, Germany
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Walldorf, Germany, with an average temperature fluctuating between 20.6°C (69.1°F) and 11.4°C (52.5°F).Temperature
September shows a mild decline in the average high-temperature, falling from August's warm 25.8°C (78.4°F) to an agreeable 20.6°C (69.1°F). Throughout September, Walldorf encounters an average temperature drop to a cool 11.4°C (52.5°F).Humidity
In Walldorf, the average relative humidity in September is 72%.Rainfall
In Walldorf, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Walldorf, there are 164.2 rainfall days, and 434mm (17.09") of precipitation is accumulated.Snowfall
In Walldorf, snow does not fall in April through September.Daylight
In Walldorf, Germany, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:42 and sunset at 20:08. On the last day of September, in Walldorf, Germany, sunrise is at 07:24 and sunset at 19:06 CEST.
Sunshine
In Walldorf, the average sunshine in September is 8.7h.UV index
In Walldorf, 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 unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Walldorf, Germany
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Walldorf, Germany
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Walldorf, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Walldorf, Germany
- Average humidity in September: 72%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in September
Walldorf, Germany
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Walldorf, Germany
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Walldorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (44mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Walldorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Walldorf, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Walldorf, Germany
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in September
Walldorf, Germany
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Walldorf, Germany
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Walldorf, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
