September weather forecastBielstein, Germany
September
Weather in September
September, the first month of the autumn in Bielstein, is still a comfortable month, with temperature in the range of an average high of 17.9°C (64.2°F) and an average low of 9°C (48.2°F).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a pleasant 22.1°C (71.8°F) in August to an enjoyable 17.9°C (64.2°F). Throughout the month of September, Bielstein witnesses an average temperature of 9°C (48.2°F).Humidity
The average relative humidity in September is 82%.Rainfall
September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 33mm (1.3") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 06:44 and sunset at 20:15. On the last day of the month, sunrise is at 07:29 and sunset at 19:09 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In September, the average daily maximum UV index in Bielstein is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bielstein, Germany
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (12.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.2°C).
Average pressure in September
Bielstein, 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 (1013.6mbar).
Average wind speed in September
Bielstein, Germany
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is February (13.3km/h).
The calmest months (with the lowest average wind speed) are August and September (9.1km/h).
Average humidity in September
Bielstein, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Bielstein, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Bielstein, Germany
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in September
Bielstein, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (149mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Bielstein, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 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
Bielstein, 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: 8h and 0min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Bielstein, Germany
- Average sunshine days in September: 15.3 days
The months with the most sunshine days are September and October (15.3 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Bielstein, Germany
- Average UV index in September: 3
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
Bielstein, Germany
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Bielstein, Germany
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
