September weather forecastKöhn, Germany
September
Weather in September
September, the first month of the autumn in Köhn, is still a refreshing month, with temperature in the range of an average low of 10.9°C (51.6°F) and an average high of 18°C (64.4°F).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a pleasant 21.8°C (71.2°F) in August to an enjoyable 18°C (64.4°F). During September, Köhn sees a mean low-temperature of 10.9°C (51.6°F).Humidity
In Köhn, the average relative humidity in September is 82%.Rainfall
In Köhn, in September, it is raining for 10.3 days, with typically 13mm (0.51") of accumulated precipitation. In Köhn, during the entire year, the rain falls for 135.4 days and collects up to 234mm (9.21") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 42min.On the first day of the month, sunrise is at 06:26 and sunset at 20:09. On the last day of September, in Köhn, sunrise is at 07:19 and sunset at 18:56 CEST.
Sunshine
In Köhn, the average sunshine in September is 7.4h.UV index
In Köhn, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Köhn, Germany
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Köhn, Germany
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is September (1016mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Köhn, Germany
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in September
Köhn, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Köhn, Germany
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Köhn, Germany
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Köhn, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Köhn, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 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
Köhn, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Köhn, Germany
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Köhn, Germany
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Köhn, Germany
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in September
Köhn, 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).
