September weather forecastDreieich, Germany
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Dreieich, Germany, with an average temperature fluctuating between 20.5°C (68.9°F) and 11.2°C (52.2°F).Temperature
September marks a gentle change in average high-temperature, declining from August's warm 25.3°C (77.5°F) to a pleasant 20.5°C (68.9°F). Dreieich experiences an average temperature drop to a fresh 11.2°C (52.2°F) during September nights.Humidity
In Dreieich, the average relative humidity in September is 72%.Rainfall
The months with the least rainfall are March, April and September Rain falls for 9.5 days and accumulates 18mm (0.71") of rain.Snowfall
May through September are months without snowfall in Dreieich.Daylight
The average length of the day in September is 12h and 37min.On the first day of September in Dreieich, sunrise is at 06:41 and sunset at 20:09. On the last day of the month, sunrise is at 07:24 and sunset at 19:05 CEST.
Sunshine
In Dreieich, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dreieich, Germany
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Dreieich, Germany
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Dreieich, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Dreieich, Germany
- Average humidity in September: 72%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in September
Dreieich, Germany
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is July (36mm).
The driest months (with the least rainfall) are March, April and September (18mm).
Average rainfall days in September
Dreieich, Germany
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in September
Dreieich, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Dreieich, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 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
Dreieich, 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 48min
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 48min).
Average sunshine days in September
Dreieich, Germany
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is December (13 days).
Average UV index in September
Dreieich, 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
Dreieich, 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 32).
Average visibility in September
Dreieich, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).








