September weather forecastRissen, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Rissen, Germany, with an average temperature fluctuating between 18.3°C (64.9°F) and 10.8°C (51.4°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from an agreeable 22.3°C (72.1°F) to an enjoyable 18.3°C (64.9°F). During September, the nighttime temperature in Rissen averages to a cool 10.8°C (51.4°F).Humidity
In Rissen, Germany, the average relative humidity in September is 81%.Rainfall
In Rissen, in September, during 10 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Rissen, during the entire year, the rain falls for 134.5 days and collects up to 229mm (9.02") of precipitation.Snowfall
In Rissen, snow does not fall in May through October.Daylight
In Rissen, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:30 and sunset at 20:10. On the last day of September, in Rissen, sunrise is at 07:21 and sunset at 18:59 CEST.
Sunshine
The average sunshine in September in Rissen is 7.8h.UV index
The average daily maximum UV index in September in Rissen, Germany, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rissen, Germany
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.7°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Rissen, Germany
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Rissen, Germany
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Rissen, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Rissen, Germany
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is July (29mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Rissen, Germany
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Rissen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rissen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rissen, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Rissen, Germany
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Rissen, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Rissen, Germany
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Rissen, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
