Monthly climate guide
Quimper weather in September
With highs near 19°C (67°F) and lows around 13°C (56°F), September feels mild in Quimper. Rainfall averages about 56 mm (some rain) and the sky is often cloudy. Daytime highs are about the same as August and 3°C warmer than October.
What stands out in September
- Seasonally, September counts as early autumn in Quimper.
- Only 2 months are warmer in Quimper than September.
- Just 180 km apart, but Quimper runs about 3°C cooler than Rennes this month.
- There's little difference between day and night (around 6°C).
Avg high
19°C
67°F
Avg low
13°C
56°F
Rainfall
56 mm
some rain
Humidity
82%
relative
Sky
71%
cloud · often cloudy
Quimper weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 10°C / 50°F | 7°C / 44°F | 135 mm | 87% | 86% |
| February | 10°C / 50°F | 6°C / 43°F | 112 mm | 86% | 82% |
| March | 11°C / 52°F | 7°C / 44°F | 74 mm | 86% | 77% |
| April | 14°C / 56°F | 8°C / 46°F | 64 mm | 83% | 69% |
| May | 16°C / 60°F | 10°C / 50°F | 59 mm | 83% | 69% |
| June | 18°C / 65°F | 13°C / 55°F | 70 mm | 84% | 71% |
| July | 20°C / 69°F | 15°C / 58°F | 52 mm | 81% | 65% |
| August | 20°C / 69°F | 15°C / 58°F | 66 mm | 81% | 73% |
| September | 19°C / 67°F | 13°C / 56°F | 56 mm | 82% | 71% |
| October | 16°C / 61°F | 12°C / 53°F | 110 mm | 85% | 77% |
| November | 13°C / 55°F | 10°C / 49°F | 127 mm | 87% | 83% |
| December | 12°C / 53°F | 8°C / 47°F | 152 mm | 87% | 86% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is September a good time to visit Quimper?
Compare the months in the chart above to find your ideal window.
Best time to visit Quimper →Other France cities in September
Cite or embed this data
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Quimper weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/france/quimper/september
<a href="https://weathercompare.eu/weather/france/quimper/september">Quimper weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/france/quimper" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Quimper weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/france/quimper/september">Quimper weather in September</a> – WeatherCompare</p>
Quimper in September: quick answers
Is September a good time to visit Quimper?
Yes. September is one of the best months for Quimper, with highs around 19°C and about 56 mm of rain.
How warm is Quimper in September?
Average highs are about 19°C (67°F) and average lows about 13°C (56°F), based on 10 years of daily data.
Does it rain a lot in Quimper in September?
Quimper typically gets around 56 mm of rain in September — some rain.
Figures are long-term averages for the area around Quimper (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.