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
September brings a decrease in the average high-temperature, falling from August's moderately hot 24.6°C (76.3°F) to an enjoyable 19.6°C (67.3°F). The nighttime temperature in Affalterbach, during September, averages of 10.1°C (50.2°F).Humidity
In Affalterbach, the average relative humidity in September is 76%.Rainfall
In Affalterbach, during September, the rain falls for 11.9 days and regularly aggregates up to 31mm (1.22") of precipitation. In Affalterbach, Germany, during the entire year, the rain falls for 162.8 days and collects up to 525mm (20.67") of precipitation.Snowfall
In Affalterbach, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September in Affalterbach, sunrise is at 06:40 and sunset at 20:04. On the last day of the month, sunrise is at 07:21 and sunset at 19:03 CEST.
Sunshine
In Affalterbach, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prevention - Warding off sunburn is urged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Affalterbach?
What is the average humidity in September in Affalterbach?
How much does it rain in Affalterbach in September?
When it does not snow in Affalterbach?
Does it snow in Affalterbach in September?
What is the average length of the day in September in Affalterbach?
When is the sunrise / sunset in September in Affalterbach?
How long on average sun shines in September in Affalterbach?
What is the UV index reading in September in Affalterbach?
Average temperature in September
Affalterbach, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Affalterbach, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Affalterbach, Germany
- Average wind speed in September: 8.2km/h
The windiest months (with the highest average wind speed) are February and March (12km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Affalterbach, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Affalterbach, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (71mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Affalterbach, Germany
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in September
Affalterbach, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Affalterbach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 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
Affalterbach, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Affalterbach, Germany
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in September
Affalterbach, 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
Affalterbach, Germany
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Affalterbach, 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).
