September weather forecastGerzensee, Switzerland
September
Weather in September
September, the first month of the autumn in Gerzensee, is also an enjoyable month, with an average temperature fluctuating between 18.3°C (64.9°F) and 7.5°C (45.5°F).Temperature
With the onset of September, Gerzensee's average high-temperature slightly adjusts, moderately receding from August's pleasant 22.9°C (73.2°F) to a refreshing 18.3°C (64.9°F). An average low-temperature of 7.5°C (45.5°F) is observed during the September nights.Humidity
In Gerzensee, Switzerland, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall in Gerzensee is September, when the rain falls for 11.5 days and typically collects 23mm (0.91") of precipitation.Snowfall
In Gerzensee, Switzerland, snow does not fall in June through September.Daylight
In Gerzensee, the average length of the day in September is 12h and 33min.On the first day of September in Gerzensee, sunrise is at 06:50 and sunset at 20:09. On the last day of the month, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine in Gerzensee, Switzerland, is 8.7h.UV index
The average daily maximum UV index in September in Gerzensee is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gerzensee, Switzerland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in September
Gerzensee, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Gerzensee, Switzerland
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Gerzensee, Switzerland
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Gerzensee, Switzerland
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Gerzensee, Switzerland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Gerzensee, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gerzensee, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gerzensee, Switzerland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Gerzensee, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in September
Gerzensee, 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, November and December (UV index 2).
Average cloud cover in September
Gerzensee, Switzerland
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Gerzensee, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).
