September weather forecastSechtem, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sechtem, Germany, with an average temperature fluctuating between 19.6°C (67.3°F) and 11°C (51.8°F).Temperature
Sechtem's weather subtly changes with the onset of September, barely falling from a moderately hot 23.3°C (73.9°F) in August to an enjoyable 19.6°C (67.3°F). Sechtem temperatures generally rest at a low of 11°C (51.8°F) during the September nights.Humidity
In Sechtem, the average relative humidity in September is 76%.Rainfall
In September, in Sechtem, the rain falls for 11.3 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 166.7 rainfall days, and 361mm (14.21") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Sechtem.Daylight
In September, the average length of the day in Sechtem is 12h and 38min.On the first day of the month, sunrise is at 06:46 and sunset at 20:17. On the last day of September, sunrise is at 07:31 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Sechtem, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake precautions - Guarding against sun damage is counselled. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sechtem, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (23.7°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in September
Sechtem, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Sechtem, Germany
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is February (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Sechtem, Germany
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Sechtem, Germany
- Average rainfall in September: 23mm
The wettest months (with the highest rainfall) are June and August (38mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Sechtem, Germany
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in September
Sechtem, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sechtem, Germany
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.8 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
Sechtem, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Sechtem, Germany
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Sechtem, 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
Sechtem, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Sechtem, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).








