Davos Weather in September
Davos in September sees moderate daytime temperatures of 13°C (55°F) and nighttime lows of 2°C (36°F). Rainfall is fairly high this month at around 129 mm (5.1 in), so pack a rain jacket to stay dry.
Rainfall in Davos in September
Analyzing past climate data, one can expect approximately 15 days of rain, averaging 129 mm (5.1 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Davos in September
Davos in September gets highs of 13°C (55°F) during the day and drops to 2°C (36°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Davos in September
The area experiences a moderate amount of sunshine, with approximately 162 hours of sunlight expected. This means a decent mix of sun and overcast.
Wind Speed in Davos in September
Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.September in Davos can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Davos's climate page.
Davos Temperature in September
Min Temperature
2°C (36°F)
Max Temperature
13°C (55°F)
Chance of Rain
51%
Precipitation
129 mm (5.1 in)
Rainy days
15 days
Humidity
75% *
Windspeed
2 m/s (4 knots) *
Sunshine
162 hours *
Percentage Sunshine
53% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Davos typically stay consistent throughout September, with daily highs averaging around 13°C (55°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 6°C (43°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Davos in September
Browse day-by-day weather records for Davos spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Davos historical weather extremes in September
Based on weather observations in Davos between 1976 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 17, 1987, with a maximum of 31°C (88°F).
- The coldest night in September in Davos was on September 28, 1989, with a minimum of -7°C (19°F).
- The wettest day in September Davos was on September 25, 2020 with 61 mm (2.4 in) of precipitation.
Best Places in Switzerland in September
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Davos in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Davos in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Davos's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Davos climate overview or explore weather in Switzerland.
