September weather forecastHorstmar, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Horstmar, Germany, with temperature in the range of an average low of 11.1°C (52°F) and an average high of 18.6°C (65.5°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a pleasant 22.7°C (72.9°F) in August to a refreshing 18.6°C (65.5°F). Horstmar's nighttime temperature during September is consistently averaged at a cool 11.1°C (52°F).Humidity
In Horstmar, the average relative humidity in September is 80%.Rainfall
In September, in Horstmar, the rain falls for 15.1 days. Throughout September, 33mm (1.3") of precipitation is accumulated. In Horstmar, during the entire year, the rain falls for 196.8 days and collects up to 528mm (20.79") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Horstmar is 12h and 39min.On the first day of the month, sunrise is at 06:43 and sunset at 20:17. On the last day of September, sunrise is at 07:30 and sunset at 19:10 CEST.
Sunshine
In Horstmar, Germany, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index in Horstmar is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Horstmar, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (0.3°C).
Average pressure in September
Horstmar, Germany
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Horstmar, Germany
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Horstmar, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Horstmar, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Horstmar, Germany
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in September
Horstmar, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (43mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Horstmar, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 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
Horstmar, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Horstmar, Germany
- Average sunshine days in September: 11.7 days
The months with the most sunshine days are March and April (13.2 days).
The month with the least sunshine days is June (8 days).
Average UV index in September
Horstmar, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Horstmar, Germany
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Horstmar, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
