September weather forecastBörtlingen, Germany
September
Weather in September
September, the first month of the autumn in Börtlingen, is still a comfortable month, with an average temperature fluctuating between 18.5°C (65.3°F) and 8.9°C (48°F).Temperature
Börtlingen's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 23°C (73.4°F) to an enjoyable 18.5°C (65.3°F). Throughout September, the nighttime temperature in Börtlingen averages to a frosty 8.9°C (48°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Börtlingen, in September, during 13.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 177.1 rainfall days, and 619mm (24.37") of precipitation is accumulated.Snowfall
In Börtlingen, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September, sunrise is at 06:39 and sunset at 20:03. On the last day of the month, sunrise is at 07:20 and sunset at 19:02 CEST.
Sunshine
In Börtlingen, Germany, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Börtlingen is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Börtlingen, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).
Average pressure in September
Börtlingen, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Börtlingen, Germany
- Average wind speed in September: 8.3km/h
The windiest months (with the highest average wind speed) are February, March and December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Börtlingen, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Börtlingen, Germany
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is May (73mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Börtlingen, Germany
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Börtlingen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (126mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Börtlingen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Börtlingen, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Börtlingen, Germany
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Börtlingen, 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, October, November and December (UV index 2).
Average cloud cover in September
Börtlingen, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Börtlingen, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).





