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Chambéry Weather in September
Chambéry in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 126 mm (5 in), so pack a rain jacket to stay dry.
Rainfall in Chambéry in September
Rain is expected on roughly 11 days, totalling around 126 mm (5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Chambéry in September
September in Chambéry brings typical temperatures with highs around 21°C (70°F) and lows of 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Chambéry in September
The area experiences a moderate amount of sunshine, with approximately 178 hours of sunlight expected. This means a decent mix of sun and overcast.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Chambéry.
Chambéry Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
37%
Precipitation
126 mm (5 in)
Rainy days
11 days
Sunshine
178 hours
Percentage Sunshine
Chambéry Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chambéry - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chambéry typically drop from around 24°C (75°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°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 records for Chambéry in September
Browse day-by-day weather records for Chambéry spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chambéry historical weather extremes in September
Based on weather observations in Chambéry between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Chambéry reached 32°C (90°F) (September 5, 2023).
- The lowest daytime temperature in September was 10°C (50°F), recorded on September 27, 2020.
- Chambéry registered its coldest September night on September 30, 1995, with temperatures dropping to 1°C (34°F).
Best Places in France in September
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Chambéry in September
For Chambéry 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. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Chambéry in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Chambéry 3-Day Forecast
More climate data for Chambéry
See the full Chambéry climate overview or explore weather in France.
Popular in September
Where to go in September - average daytime high across popular destinations.
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