September weather forecastBollberg, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Bollberg, Germany, with an average temperature fluctuating between 19°C (66.2°F) and 9.8°C (49.6°F).Temperature
A mild drop in Bollberg's average high-temperature is observed in September, transitioning from a warm 23.8°C (74.8°F) in August to an enjoyable 19°C (66.2°F). Bollberg temperatures generally rest at a low of 9.8°C (49.6°F) during the September nights.Humidity
In Bollberg, the average relative humidity in September is 75%.Rainfall
In Bollberg, in September, it is raining for 12.2 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, there are 156.6 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
In Bollberg, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:27 and sunset at 19:58. On the last day of the month, sunrise is at 07:12 and sunset at 18:52 CEST.
Sunshine
The average sunshine in September in Bollberg is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bollberg, Germany
- Average high temperature in September: 19°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Bollberg, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Bollberg, Germany
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Bollberg, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Bollberg, Germany
- Average rainfall in September: 33mm
The wettest months (with the highest rainfall) are May and August (52mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Bollberg, Germany
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Bollberg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bollberg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bollberg, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Bollberg, Germany
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Bollberg, 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, March, November and December (UV index 2).
Average cloud cover in September
Bollberg, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Bollberg, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, February, October and December (8km).
