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
September
Weather in September
Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 19.3°C (66.7°F). The average low-temperature during September nights is a fresh 10.6°C (51.1°F).Humidity
The average relative humidity in September in Dhünn is 78%.Rainfall
In Dhünn, in September, it is raining for 12.8 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, there are 172.3 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
In Dhünn, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 06:45 and sunset at 20:16. On the last day of the month, sunrise is at 07:30 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Dhünn have in September?
What is the UV index intensity in September?
Average temperature in September
Dhünn, Germany
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Dhünn, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in September
Dhünn, Germany
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is February (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Dhünn, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Dhünn, Germany
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Dhünn, Germany
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is December (17.1 days).
The months with the least rainy days are February, April and September (12.8 days).
Average snowfall in September
Dhünn, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Dhünn, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dhünn, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Dhünn, Germany
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in September
Dhünn, 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
Dhünn, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Dhünn, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
