September weather forecastDiefenbach, Germany
September
Weather in September
September, the first month of the autumn in Diefenbach, is still a refreshing month, with an average temperature ranging between max 18.6°C (65.5°F) and min 8.9°C (48°F).Temperature
Diefenbach's weather subtly changes with the onset of September, barely falling from a pleasant 22.8°C (73°F) in August to a refreshing 18.6°C (65.5°F). The average nighttime temperature lowers to a chilly 8.9°C (48°F) throughout September.Humidity
The average relative humidity in September in Diefenbach is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 4.6 days and typically collects 5mm (0.2") of precipitation.Snowfall
June through September are months without snowfall in Diefenbach.Daylight
The average length of the day in September in Diefenbach is 12h and 37min.On the first day of the month, sunrise is at 06:48 and sunset at 20:16. On the last day of September, in Diefenbach, sunrise is at 07:31 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September in Diefenbach is 8.3h.UV index
In Diefenbach, Germany, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Diefenbach, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Diefenbach, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Diefenbach, Germany
- Average wind speed in September: 9km/h
The windiest months (with the highest average wind speed) are February and December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Diefenbach, Germany
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Diefenbach, Germany
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is August (13mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Diefenbach, Germany
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is May (7.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Diefenbach, Germany
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (12mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Diefenbach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Diefenbach, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Diefenbach, Germany
- Average sunshine days in September: 23 days
The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is December (19.5 days).
Average UV index in September
Diefenbach, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Diefenbach, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Diefenbach, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, November and December (7km).





