September weather forecastBottrop, Germany
September
Weather in September
September, the first month of the autumn in Bottrop, is still a comfortable month, with an average temperature ranging between max 19.3°C (66.7°F) and min 11.6°C (52.9°F).Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 23.5°C (74.3°F) in August to an enjoyable 19.3°C (66.7°F). September brings Bottrop a consistent average low-temperature of 11.6°C (52.9°F).Humidity
In Bottrop, Germany, the average relative humidity in September is 76%.Rainfall
In Bottrop, in September, during 9.2 rainfall days, 14mm (0.55") of precipitation is typically accumulated. Throughout the year, in Bottrop, there are 133.7 rainfall days, and 211mm (8.31") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Bottrop is 12h and 38min.On the first day of September, sunrise is at 06:45 and sunset at 20:18. On the last day of the month, sunrise is at 07:32 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine in Bottrop, Germany, is 7.9h.UV index
The average daily maximum UV index in September in Bottrop, Germany, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bottrop, Germany
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Bottrop, Germany
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in September
Bottrop, Germany
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (16.5km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Bottrop, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Bottrop, Germany
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is August (24mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Bottrop, Germany
- Average rainfall days in September: 9.2 days
The months with the highest number of rainy days are July and August (13.7 days).
The months with the least rainy days are February and September (9.2 days).
Average snowfall in September
Bottrop, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bottrop, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 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
Bottrop, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 54min
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
Bottrop, Germany
- Average sunshine days in September: 18 days
The month with the most sunshine days is April (19.3 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in September
Bottrop, 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
Bottrop, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Bottrop, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).








