Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Riedelberg in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 23.7°C (74.7°F) to a refreshing 19.1°C (66.4°F). September's nights observe an average temperature of 9.4°C (48.9°F).Humidity
In Riedelberg, Germany, the average relative humidity in September is 80%.Rainfall
In Riedelberg, Germany, in September, it is raining for 10.4 days, with typically 29mm (1.14") of accumulated precipitation. In Riedelberg, during the entire year, the rain falls for 156.6 days and collects up to 400mm (15.75") of precipitation.Snowfall
April, June through October are months without snowfall.Daylight
In Riedelberg, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:47 and sunset at 20:12. On the last day of September, in Riedelberg, sunrise is at 07:29 and sunset at 19:10 CEST.
Sunshine
In Riedelberg, the average sunshine in September is 8.2h.UV index
In Riedelberg, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Riedelberg?
What is the average humidity in September in Riedelberg?
How much does it rain in Riedelberg in September?
When it does not snow in Riedelberg?
How many hours of daylight does Riedelberg have in September?
When are sunrise and sunset in September in Riedelberg?
How long on average sun shines in September in Riedelberg?
What is the UV index reading in September in Riedelberg?
Average temperature in September
Riedelberg, Germany
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Riedelberg, Germany
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in September
Riedelberg, Germany
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is February (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in September
Riedelberg, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Riedelberg, Germany
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Riedelberg, Germany
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (16.5 days).
The months with the least rainy days are February and September (10.4 days).
Average snowfall in September
Riedelberg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (52mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).
Average snowfall days in September
Riedelberg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Riedelberg, Germany
- Average daylight in September: 12h and 4min
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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Riedelberg, Germany
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in September
Riedelberg, 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 November and December (UV index 1).
Average cloud cover in September
Riedelberg, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Riedelberg, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are November and December (7km).
Riedelberg, Germany
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