September weather forecastAltkirchen, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Altkirchen, Germany, with an average temperature fluctuating between 19.5°C (67.1°F) and 10.5°C (50.9°F).Temperature
The arrival of September corresponds with a temperature reduction, down from August's moderately hot 24.7°C (76.5°F) to a refreshing 19.5°C (67.1°F). In the month of September, an average of 10.5°C (50.9°F) marks the low-temperature in Altkirchen, Germany.Humidity
In September, the average relative humidity in Altkirchen is 74%.Rainfall
In September, the rain falls for 10.7 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Altkirchen, Germany, during the entire year, the rain falls for 140.8 days and collects up to 394mm (15.51") of precipitation.Snowfall
In Altkirchen, Germany, snow does not fall in June through September.Daylight
In September, the average length of the day in Altkirchen is 12h and 38min.On the first day of the month, sunrise is at 06:25 and sunset at 19:55. On the last day of September, in Altkirchen, sunrise is at 07:10 and sunset at 18:50 CEST.
Sunshine
In September, the average sunshine in Altkirchen is 8.5h.UV index
In Altkirchen, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altkirchen, Germany
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in September
Altkirchen, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in September
Altkirchen, Germany
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Altkirchen, Germany
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Altkirchen, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Altkirchen, Germany
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Altkirchen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (83mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Altkirchen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Altkirchen, Germany
- Average daylight in September: 12h and 36min
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 30min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Altkirchen, Germany
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is December (12.3 days).
Average UV index in September
Altkirchen, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Altkirchen, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Altkirchen, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
