September weather forecastWallau, Germany
September
Weather in September
September, the first month of the autumn in Wallau, is still a pleasant month, with an average temperature varying between 20.3°C (68.5°F) and 11.3°C (52.3°F).Temperature
Wallau's September weather features a light decline in high-temperatures, reducing from a warm 25°C (77°F) in August to an agreeable 20.3°C (68.5°F). An average nighttime temperature of 11.3°C (52.3°F) is witnessed throughout September.Humidity
In September, the average relative humidity is 72%.Rainfall
In Wallau, in September, it is raining for 11.1 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, there are 170.5 rainfall days, and 449mm (17.68") of precipitation is accumulated.Snowfall
In Wallau, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:42 and sunset at 20:10. On the last day of September, sunrise is at 07:25 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Wallau is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wallau, Germany
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Wallau, Germany
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Wallau, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Wallau, Germany
- Average humidity in September: 72%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in September
Wallau, Germany
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Wallau, Germany
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in September
Wallau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (59mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Wallau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 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
Wallau, 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 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Wallau, Germany
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is December (9.9 days).
Average UV index in September
Wallau, Germany
- Average UV index in September: 4
The months with the highest UV index are 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
Wallau, Germany
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Wallau, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
