September weather forecastSäntis, Switzerland
September
Weather in September
The advent of autumn is seen in September as the temperature dips to a low of 1.1°C (34°F) and a high of 6°C (42.8°F). Significant reduction in rainfall from August to 223mm (8.78") is accompanied by a slight bump in the number of snowfall days. The colorful transition from summer to autumn provides a picturesque scenery to be enjoyed. Despite the shorter daylight hours, the slightly cooler weather makes outdoor explorations more pleasing.Temperature
September's average high-temperature stands at a still chilly 6°C (42.8°F), showing little deviation from August's 8.9°C (48°F). Säntis observes a slightly reduced average nighttime temperature of 1.1°C (34°F) during September.Humidity
The average relative humidity in September is 74.3%.Rainfall
In Säntis, during September, the rain falls for 13.2 days and regularly aggregates up to 223mm (8.78") of precipitation. In Säntis, during the entire year, the rain falls for 169.8 days and collects up to 2838mm (111.73") of precipitation.Snowfall
January through December are months with snowfall. In Säntis, in September, during 5.7 snowfall days, 430mm (16.93") of snow is typically accumulated. In Säntis, during the entire year, snow falls for 123.4 days and aggregates up to 11144mm (438.74") of snow.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September, sunrise is at 06:42 and sunset at 20:02. On the last day of the month, sunrise is at 07:20 and sunset at 19:04 CEST.
Sunshine
In Säntis, the average sunshine in September is 5.4h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Säntis, Switzerland
- Average high temperature in September: 6°C
The warmest month (with the highest average high temperature) is August (8.9°C).
The month with the lowest average high temperature is February (-5°C).
- Average low temperature in September: 1.1°C
The month with the highest average low temperature is August (3.9°C).
The coldest month (with the lowest average low temperature) is February (-10.2°C).
Average humidity in September
Säntis, Switzerland
- Average humidity in September: 74.3%
The month with the highest relative humidity is June (82.9%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Säntis, Switzerland
- Average rainfall in September: 223mm
The wettest month (with the highest rainfall) is July (285mm).
The driest month (with the least rainfall) is October (176mm).
Average rainfall days in September
Säntis, Switzerland
- Average rainfall days in September: 13.2 days
The months with the highest number of rainy days are June and July (16.3 days).
The month with the least rainy days is October (11.1 days).
Average snowfall in September
Säntis, Switzerland
- Average snowfall in September: 430mm
The month with the highest snowfall is March (1643mm).
The month with the least snowfall is August (166mm).
Average snowfall days in September
Säntis, Switzerland
- Average snowfall days in September: 5.7 days
The month with the highest number of snowfall days is March (16.9 days).
The month with the least snowfall days is August (2 days).
Average daylight in September /
Average sunshine in September
Säntis, 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 36min).
- Average sunshine in September: 5h and 24min
The month with the most sunshine is July (Average sunshine: 5h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
