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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 25.3°C (77.5°F) to a pleasant 20.4°C (68.7°F). Riet records an average temperature drop to a fresh 10.5°C (50.9°F) in September.Humidity
In Riet, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.1 days and typically collects 23mm (0.91") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:41 and sunset at 20:06. On the last day of September, in Riet, sunrise is at 07:22 and sunset at 19:04 CEST.
Sunshine
In Riet, Germany, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in Riet is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the temperature in September in Riet?
What is the average humidity in September in Riet?
What is the driest month in Riet?
How much does it rain in Riet in September?
When it does not snow in Riet?
How many hours of daylight does Riet have in September?
What time are sunrise and sunset in September in Riet?
How long on average sun shines in September in Riet?
What is the UV index intensity in September in Riet?
Average temperature in September
Riet, Germany
- Average high temperature in September: 20.4°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.8°C).
Average pressure in September
Riet, Germany
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Riet, Germany
- Average wind speed in September: 8.4km/h
The windiest months (with the highest average wind speed) are February and March (12km/h).
The calmest months (with the lowest average wind speed) are August and September (8.4km/h).
Average humidity in September
Riet, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Riet, Germany
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Riet, Germany
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Riet, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Riet, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 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
Riet, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Riet, 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 May (11.8 days).
Average UV index in September
Riet, 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
Riet, Germany
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Riet, 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).
Riet, Germany
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