September weather forecastRietheim-Weilheim, Germany
September
Weather in September
September, the first month of the autumn in Rietheim-Weilheim, is still a refreshing month, with an average temperature varying between 17.7°C (63.9°F) and 7.9°C (46.2°F).Temperature
Rietheim-Weilheim in September undergoes a slight reduction in the average high-temperature, shifting from August's pleasant 22.2°C (72°F) to an enjoyable 17.7°C (63.9°F). Throughout September, Rietheim-Weilheim registers a consistent average low-temperature of 7.9°C (46.2°F).Humidity
In September, the average relative humidity is 83%.Rainfall
In Rietheim-Weilheim, in September, it is raining for 14.1 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Rietheim-Weilheim, there are 150.6 rainfall days, and 640mm (25.2") of precipitation is accumulated.Snowfall
In Rietheim-Weilheim, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 06:43 and sunset at 20:05. On the last day of September, sunrise is at 07:23 and sunset at 19:06 CEST.
Sunshine
In September, the average sunshine in Rietheim-Weilheim, Germany, is 8.3h.UV index
In Rietheim-Weilheim, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rietheim-Weilheim, Germany
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (22.2°C).
The month with the lowest average high temperature is January (1.6°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is August (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.6°C).
Average pressure in September
Rietheim-Weilheim, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Rietheim-Weilheim, Germany
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is March (10.5km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).
Average humidity in September
Rietheim-Weilheim, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and July (79%).
Average rainfall in September
Rietheim-Weilheim, Germany
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is August (89mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Rietheim-Weilheim, Germany
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Rietheim-Weilheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (255mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rietheim-Weilheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rietheim-Weilheim, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Rietheim-Weilheim, Germany
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in September
Rietheim-Weilheim, 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 and November (UV index 1).
Average cloud cover in September
Rietheim-Weilheim, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Rietheim-Weilheim, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and September (8km).
The month with the lowest visibility is January (6km).
