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
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 23.3°C (73.9°F) in August to a comfortable 18.9°C (66°F). Throughout September, Ahrweiler anticipates an average low-temperature of 9.8°C (49.6°F).Humidity
In September, the average relative humidity in Ahrweiler is 79%.Rainfall
The months with the least rainfall in Ahrweiler are April and September Rain falls for 10.5 days and accumulates 17mm (0.67") of rain.Snowfall
In Ahrweiler, snow does not fall in April through October.Daylight
In Ahrweiler, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:46 and sunset at 20:16. On the last day of September, in Ahrweiler, sunrise is at 07:31 and sunset at 19:11 CEST.
Sunshine
In Ahrweiler, Germany, the average sunshine in September is 8.4h.UV index
In Ahrweiler, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the usual temperature for Ahrweiler in September?
What is the average humidity in September in Ahrweiler?
What is the driest month in Ahrweiler?
How much does it rain in Ahrweiler in September?
When it does not snow in Ahrweiler?
How many hours of daylight does Ahrweiler have in September?
What time are sunrise and sunset in September in Ahrweiler?
How many hours of sunshine does Ahrweiler have in September?
What is the UV index intensity in September in Ahrweiler?
Average temperature in September
Ahrweiler, Germany
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in September
Ahrweiler, Germany
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Ahrweiler, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Ahrweiler, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Ahrweiler, Germany
- Average rainfall in September: 17mm
The wettest months (with the highest rainfall) are May and August (32mm).
The driest months (with the least rainfall) are April and September (17mm).
Average rainfall days in September
Ahrweiler, Germany
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Ahrweiler, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ahrweiler, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Ahrweiler, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Ahrweiler, Germany
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Ahrweiler, Germany
- Average UV index in September: 3
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
Ahrweiler, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Ahrweiler, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
Ahrweiler, Germany
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