September weather forecastErmatingen, Switzerland
September
Weather in September
September, the first month of the autumn in Ermatingen, is also an enjoyable month, with an average temperature varying between 7.9°C (46.2°F) and 18.6°C (65.5°F).Temperature
A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 23.3°C (73.9°F) in August to a refreshing 18.6°C (65.5°F). Ermatingen experiences an average temperature drop to a frosty 7.9°C (46.2°F) during September nights.Humidity
In Ermatingen, the average relative humidity in September is 82%.Rainfall
In Ermatingen, in September, it is raining for 13.7 days, with typically 31mm (1.22") of accumulated precipitation. In Ermatingen, during the entire year, the rain falls for 177.1 days and collects up to 516mm (20.31") of precipitation.Snowfall
In Ermatingen, snow does not fall in June through September.Daylight
The average length of the day in September in Ermatingen is 12h and 34min.On the first day of the month, sunrise is at 06:42 and sunset at 20:04. On the last day of September, in Ermatingen, sunrise is at 07:22 and sunset at 19:04 CEST.
Sunshine
In Ermatingen, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ermatingen, Switzerland
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in September
Ermatingen, Switzerland
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in September
Ermatingen, Switzerland
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Ermatingen, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in September
Ermatingen, Switzerland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in September
Ermatingen, Switzerland
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in September
Ermatingen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ermatingen, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ermatingen, 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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Ermatingen, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in September
Ermatingen, Switzerland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Ermatingen, Switzerland
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Ermatingen, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August and September (8km).
The months with the lowest visibility are January, February, October, November and December (7km).





