September · France
Best time to visit Carcassonne in September Weather, crowds & prices
Weather in Carcassonne in September
Average temperature 19°C, 58 mm of rain, about 15 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.6/10
Ranked #5 of 12 months
- Avg temp
- 19°C
- Rainfall
- 58 mm
- Humidity
- 69%
- Days with 6h+ sun
- 15
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Carcassonne scores 8.6/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 19°C, 58 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Carcassonne's double-walled citadel is Europe's largest surviving medieval fortress town.
September is one of the strongest months in Carcassonne (5th)
September averages 19°C (66°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 58 mm, so plan one flexible day in three; you still get about 15 days with 6+ hours of sunshine and 12.3 hours of daylight.
A 8.6/10 puts this among the year's best months in Carcassonne (5th of 12); only June scores higher, at 9.4/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Carcassonne in September?
- In September, Carcassonne averages 19°C, 58 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 8.6/10.
- Is September a good time to visit Carcassonne?
- September earns a 8.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Carcassonne in September?
- Expect about 58 mm of rain in September. Average humidity is 69% and there are about 15 days with 6+ hours of sunshine.
Curated in Carcassonne
Tickets & experiences
Things to do in Carcassonne
Carcassonne, France. Live activities and tours from GetYourGuide, matched to this destination.