September weather forecastBommern, Germany
September
Weather in September
September, the first month of the autumn in Bommern, is still a comfortable month, with an average temperature ranging between min 11.3°C (52.3°F) and max 19.2°C (66.6°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 23.6°C (74.5°F) in August to a comfortable 19.2°C (66.6°F). Throughout September, an average low-temperature of 11.3°C (52.3°F) is experienced.Humidity
In Bommern, the average relative humidity in September is 76%.Rainfall
In Bommern, in September, during 12.4 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Bommern, Germany, during the entire year, the rain falls for 178.2 days and collects up to 518mm (20.39") of precipitation.Snowfall
In Bommern, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:44 and sunset at 20:16. On the last day of the month, sunrise is at 07:30 and sunset at 19:10 CEST.
Sunshine
In Bommern, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bommern, Germany
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Bommern, 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 (1013mbar).
Average wind speed in September
Bommern, Germany
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Bommern, 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 (70%).
Average rainfall in September
Bommern, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Bommern, Germany
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in September
Bommern, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (59mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bommern, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 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
Bommern, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 0min
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
Bommern, Germany
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Bommern, 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
Bommern, Germany
- Average cloud cover in September: 44
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
Bommern, 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).
