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 arrival of September correlates with a minor temperature reduction, down from August's warm 24°C (75.2°F) to a refreshing 19.4°C (66.9°F). September brings Welchweiler a consistent average low-temperature of 9.8°C (49.6°F).Humidity
In September, the average relative humidity in Welchweiler, Germany, is 78%.Rainfall
In September, in Welchweiler, the rain falls for 11 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Welchweiler, Germany, during the entire year, the rain falls for 153.9 days and collects up to 406mm (15.98") of precipitation.Snowfall
In Welchweiler, snow does not fall in June through September.Daylight
The average length of the day in September in Welchweiler is 12h and 36min.On the first day of the month, sunrise is at 06:46 and sunset at 20:13. On the last day of September, sunrise is at 07:29 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September in Welchweiler is 8.2h.UV index
In Welchweiler, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Exercise prevention - Precautions against solar damage are endorsed. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Welchweiler in September?
What is the average humidity in September in Welchweiler?
How many days does it rain in September in Welchweiler?
When it does not snow in Welchweiler?
Does it snow in Welchweiler in September?
What is the average length of the day in September in Welchweiler?
What time are sunrise and sunset in September in Welchweiler?
How long on average sun shines in September in Welchweiler?
How high is the UV index in September in Welchweiler?
Average temperature in September
Welchweiler, Germany
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Welchweiler, Germany
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in September
Welchweiler, Germany
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Welchweiler, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in September
Welchweiler, Germany
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Welchweiler, Germany
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Welchweiler, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (54mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Welchweiler, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Welchweiler, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Welchweiler, Germany
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is April (16.9 days).
The month with the least sunshine days is December (11.7 days).
Average UV index in September
Welchweiler, 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
Welchweiler, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Welchweiler, 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 and December (7km).
