September weather forecastSembach, Germany
September
Weather in September
September, the first month of the autumn in Sembach, is still a refreshing month, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 19.4°C (66.9°F).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 24°C (75.2°F) in August to a refreshing 19.4°C (66.9°F). Sembach reports a consistent average low-temperature of 9.8°C (49.6°F) throughout September nights.Humidity
In Sembach, the average relative humidity in September is 78%.Rainfall
In September, in Sembach, the rain falls for 11 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, in Sembach, Germany, there are 153.9 rainfall days, and 406mm (15.98") of precipitation is accumulated.Snowfall
In Sembach, Germany, snow does not fall in June through September.Daylight
In Sembach, Germany, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:45 and sunset at 20:11. On the last day of September, in Sembach, sunrise is at 07:27 and sunset at 19:09 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Sembach, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sembach, 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
Sembach, 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
Sembach, 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
Sembach, 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
Sembach, 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
Sembach, 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
Sembach, 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
Sembach, 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
Sembach, Germany
- Average daylight in September: 12h and 36min
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 12min
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
Sembach, 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
Sembach, 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
Sembach, 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
Sembach, 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).





