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 onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 23.8°C (74.8°F) in August to an enjoyable 19.4°C (66.9°F). September nights in Andernach cool down to an average low-temperature of 9.5°C (49.1°F).Humidity
In Andernach, the average relative humidity in September is 78%.Rainfall
In Andernach, during September, the rain falls for 6.3 days and regularly aggregates up to 9mm (0.35") of precipitation. Throughout the year, in Andernach, there are 96.9 rainfall days, and 143mm (5.63") of precipitation is accumulated.Snowfall
In Andernach, Germany, snow does not fall in May through October.Daylight
In Andernach, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:45 and sunset at 20:14. On the last day of September, sunrise is at 07:29 and sunset at 19:10 CEST.
Sunshine
In Andernach, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Andernach is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - It is counselled to guard against solar damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Andernach?
What is the average humidity in September in Andernach?
How much does it rain in Andernach in September?
When it does not snow in Andernach?
What is the average length of the day in September in Andernach?
What time are sunrise and sunset in September in Andernach?
How many hours of sunshine does Andernach have in September?
What is the UV index reading in September in Andernach?
Average temperature in September
Andernach, Germany
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is July (24.1°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Andernach, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Andernach, Germany
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (11.1km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Andernach, Germany
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in September
Andernach, Germany
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is August (20mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in September
Andernach, Germany
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is August (9.7 days).
The month with the least rainy days is September (6.3 days).
Average snowfall in September
Andernach, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Andernach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Andernach, 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 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Andernach, Germany
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is March (21.4 days).
The month with the least sunshine days is July (18.3 days).
Average UV index in September
Andernach, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Andernach, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Andernach, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January, February, November and December (7km).
Andernach, Germany
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