September weather forecastAchterwehr, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Achterwehr, Germany, with an average temperature varying between 18°C (64.4°F) and 10.9°C (51.6°F).Temperature
Achterwehr's September weather shows a modest shift in high-temperatures, falling from August's pleasant 21.8°C (71.2°F) to an enjoyable 18°C (64.4°F). During the month of September, the temperature falls to an average of 10.9°C (51.6°F).Humidity
In Achterwehr, the average relative humidity in September is 82%.Rainfall
In Achterwehr, Germany, in September, it is raining for 10.3 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, there are 135.4 rainfall days, and 234mm (9.21") of precipitation is accumulated.Snowfall
In Achterwehr, snow does not fall in May through October.Daylight
The average length of the day in September in Achterwehr is 12h and 42min.On the first day of the month, sunrise is at 06:28 and sunset at 20:11. On the last day of September, sunrise is at 07:21 and sunset at 18:58 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Achterwehr, Germany
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Achterwehr, Germany
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is September (1016mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Achterwehr, Germany
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in September
Achterwehr, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Achterwehr, Germany
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Achterwehr, Germany
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Achterwehr, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Achterwehr, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 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
Achterwehr, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Achterwehr, Germany
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Achterwehr, Germany
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Achterwehr, Germany
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in September
Achterwehr, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).





