September weather forecastBonstorf, Germany
September
Weather in September
September, the first month of the autumn in Bonstorf, is still a comfortable month, with an average temperature varying between 10.8°C (51.4°F) and 18.6°C (65.5°F).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's moderately hot 23°C (73.4°F) to a refreshing 18.6°C (65.5°F). Bonstorf observes an average nighttime low-temperature of 10.8°C (51.4°F) during the month of September.Humidity
The average relative humidity in September is 80%.Rainfall
In Bonstorf, in September, during 17.2 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 193 rainfall days, and 562mm (22.13") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Bonstorf, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:31 and sunset at 20:08. On the last day of September, sunrise is at 07:20 and sunset at 18:58 CEST.
Sunshine
In Bonstorf, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. To guard against the harmful effects of the Sun, minimize exposure during midday. 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
Bonstorf, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.8°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 (-0.8°C).
Average pressure in September
Bonstorf, Germany
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Bonstorf, Germany
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in September
Bonstorf, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Bonstorf, Germany
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Bonstorf, Germany
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Bonstorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bonstorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 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
Bonstorf, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Bonstorf, Germany
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is April (14 days).
The month with the least sunshine days is December (7.7 days).
Average UV index in September
Bonstorf, 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, March, November and December (UV index 2).
Average cloud cover in September
Bonstorf, Germany
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Bonstorf, 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, February, October, November and December (8km).





