September weather forecastDavos, Switzerland
September
Weather in September
In Davos, Switzerland, September features a decrease in temperatures, ranging from 4°C (39.2°F) to 14.1°C (57.4°F), a sign of the approaching autumn. Though a noticeable drop in temperature from August, the weather in September remains comfortable with ample daylight hours. The declining temperatures signal the start of fall, and the landscape transitions into a colorful mix. October brings further decline, pushing the early signs of winter. Though September may bring cooler temperatures, the decreases in rainfall and humidity make it a pleasant and welcoming month.Temperature
As August transitions into September, Davos sees a gentle drop in the average high-temperature, transitioning from a refreshing 17.4°C (63.3°F) to a moderate 14.1°C (57.4°F). Davos, in September, experiences an average temperature of 4°C (39.2°F) at night.Humidity
The average relative humidity in September is 77%.Rainfall
In Davos, during September, the rain falls for 9.9 days and regularly aggregates up to 93mm (3.66") of precipitation. In Davos, during the entire year, the rain falls for 124.7 days and collects up to 1023mm (40.28") of precipitation.Snowfall
Months with snowfall in Davos are January through December. In Davos, in September, during 0.8 snowfall days, 46mm (1.81") of snow is typically accumulated. Throughout the year, in Davos, Switzerland, there are 69 snowfall days, and 4684mm (184.41") of snow is accumulated.Daylight
In Davos, the average length of the day in September is 12h and 33min.On the first day of September in Davos, sunrise is at 06:41 and sunset at 20:00. On the last day of the month, sunrise is at 07:18 and sunset at 19:02 CEST.
Sunshine
In Davos, the average sunshine in September is 5.3h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Davos, Switzerland
- Average high temperature in September: 14.1°C
The warmest month (with the highest average high temperature) is July (18.1°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 4°C
The months with the highest average low temperature are July and August (7.2°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).
Average humidity in September
Davos, Switzerland
- Average humidity in September: 77%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Davos, Switzerland
- Average rainfall in September: 93mm
The wettest month (with the highest rainfall) is August (148mm).
The driest months (with the least rainfall) are February and April (56mm).
Average rainfall days in September
Davos, Switzerland
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Davos, Switzerland
- Average snowfall in September: 46mm
The month with the highest snowfall is January (900mm).
The month with the least snowfall is July (6mm).
Average snowfall days in September
Davos, Switzerland
- Average snowfall days in September: 0.8 days
The months with the highest number of snowfall days are January and December (11.3 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Davos, 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: 5h and 18min
The month with the most sunshine is July (Average sunshine: 6h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
