September · France
Best time to visit Aix-en-Provence in September Weather, crowds & prices
Weather in Aix-en-Provence in September
Average temperature 19°C, 66 mm of rain, about 29 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.1/10
Ranked #3 of 12 months
- Avg temp
- 19°C
- Rainfall
- 66 mm
- Humidity
- 66%
- Days with 6h+ sun
- 29
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Aix-en-Provence scores 9.1/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 19°C, 66 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Aix-en-Provence layers fountains, plane-tree squares and Cézanne's studio across a graceful Provençal old town.
September in Aix-en-Provence — one of the year's strongest windows (3rd)
At 19°C (67°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 66 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 12.5 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Aix-en-Provence at 9.1/10 (3rd of 12), just behind April at 9.4/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Aix-en-Provence in September?
- In September, Aix-en-Provence averages 19°C, 66 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is September a good time to visit Aix-en-Provence?
- September earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Aix-en-Provence in September?
- Expect about 66 mm of rain in September. Average humidity is 66% and there are about 29 days with 6+ hours of sunshine.
Curated in Aix-en-Provence
Tickets & experiences
Things to do in Aix-en-Provence
Aix-en-Provence, France. Live activities and tours from GetYourGuide, matched to this destination.