September weather forecastBretten, Germany
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Bretten, Germany, with temperature in the range of an average high of 20.6°C (69.1°F) and an average low of 10.9°C (51.6°F).Temperature
September's onset brings a slight change in high-temperatures, falling from a moderately hot 25.7°C (78.3°F) in August to an agreeable 20.6°C (69.1°F). September witnesses an average nighttime temperature of 10.9°C (51.6°F).Humidity
In Bretten, the average relative humidity in September is 74%.Rainfall
In September, in Bretten, the rain falls for 9.6 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 143.7 rainfall days, and 326mm (12.83") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 35min.On the first day of September in Bretten, sunrise is at 06:42 and sunset at 20:07. On the last day of the month, sunrise is at 07:24 and sunset at 19:05 CEST.
Sunshine
In Bretten, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bretten, Germany
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Bretten, Germany
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in September
Bretten, Germany
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Bretten, Germany
- Average humidity in September: 74%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Bretten, Germany
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Bretten, Germany
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Bretten, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bretten, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bretten, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Bretten, Germany
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Bretten, Germany
- Average UV index in September: 4
The months with the highest UV index are May, 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
Bretten, Germany
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Bretten, 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).
