September weather forecastBüsserach, Switzerland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Büsserach, Switzerland, with temperature in the range of an average low of 8.2°C (46.8°F) and an average high of 18.8°C (65.8°F).Temperature
September indicates a minor shift in the average high-temperature, from August's moderately hot 23.3°C (73.9°F) to a comfortable 18.8°C (65.8°F). Büsserach encounters a steady low-temperature average of 8.2°C (46.8°F) throughout the month of September.Humidity
In Büsserach, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.5 days and typically collects 45mm (1.77") of precipitation.Snowfall
In Büsserach, snow does not fall in June through September.Daylight
In September, the average length of the day in Büsserach, Switzerland, is 12h and 34min.On the first day of September, sunrise is at 06:49 and sunset at 20:09. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.
Sunshine
In Büsserach, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Büsserach, Switzerland
- Average high temperature in September: 18.8°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 8.2°C
The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Büsserach, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Büsserach, Switzerland
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in September
Büsserach, Switzerland
- Average humidity in September: 81%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in September
Büsserach, Switzerland
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in September
Büsserach, Switzerland
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in September
Büsserach, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Büsserach, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Büsserach, Switzerland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Büsserach, Switzerland
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in September
Büsserach, Switzerland
- Average UV index in September: 4
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
Büsserach, Switzerland
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Büsserach, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).





