Chateau-d'Oex Weather in September
Thinking of visiting Chateau-d'Oex in September? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 7°C (45°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Chateau-d'Oex in September
Historically, the month has about 14 days of rain, averaging 141 mm (5.6 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Chateau-d'Oex in September
September in Chateau-d'Oex brings moderate temperatures, with highs of 17°C (63°F) and nights around 7°C (45°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Chateau-d'Oex in September
The city usually sees around 210 hours of sunlight, indicating many sunny days — a great month for sightseeing.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Chateau-d'Oex.
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 Chateau-d'Oex's climate page.
Chateau-d'Oex Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
47%
Precipitation
141 mm (5.6 in)
Rainy days
14 days
Humidity
71% *
Sunshine
210 hours *
Percentage Sunshine
65% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chateau-d'Oex typically drop from around 19°C (66°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°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 Chateau-d'Oex in September
Browse day-by-day weather records for Chateau-d'Oex spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chateau-d'Oex historical weather extremes in September
Based on 49 years of weather observations in Chateau-d'Oex between 1976 and 2025, these are the recorded extremes.
- The hottest September day on record in Chateau-d'Oex reached 32°C (90°F) (September 5, 2023).
- The wettest day in September Chateau-d'Oex was on September 12, 2012 with 49 mm (1.9 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 Chateau-d'Oex in September
For Chateau-d'Oex in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Chateau-d'Oex 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 Chateau-d'Oex's climate page.
Temperature Rainfall Sunshine Humidity
See the full Chateau-d'Oex climate overview or explore weather in Switzerland.
