Monthly climate guide
Paris weather in September
Expect warm weather in Paris in September: afternoons reach about 22°C (71°F), while nights drop to around 11°C (51°F). Around 45 mm of rain falls over the month (fairly dry), and skies are often cloudy. Daytime highs are 3°C cooler than August and 5°C warmer than October.
What stands out in September
- Just 110 km apart, but Paris runs about 2°C warmer than Rouen this month.
- Comfortable temperatures make it easy to walk between Notre-Dame / Île de la Cité and Eiffel Tower.
- September brings early autumn to Paris.
- It cools down fast from here: October is about 5°C cooler.
Avg high
22°C
71°F
Avg low
11°C
51°F
Rainfall
45 mm
fairly dry
Humidity
76%
relative
Sky
56%
cloud · often cloudy
Paris weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 7°C / 44°F | 1°C / 33°F | 59 mm | 93% | 78% |
| February | 8°C / 46°F | 0°C / 33°F | 51 mm | 87% | 69% |
| March | 12°C / 54°F | 2°C / 36°F | 49 mm | 82% | 62% |
| April | 16°C / 61°F | 5°C / 41°F | 40 mm | 76% | 60% |
| May | 19°C / 66°F | 8°C / 46°F | 70 mm | 76% | 65% |
| June | 22°C / 72°F | 12°C / 53°F | 70 mm | 76% | 65% |
| July | 25°C / 77°F | 14°C / 56°F | 50 mm | 72% | 60% |
| August | 25°C / 77°F | 13°C / 56°F | 56 mm | 72% | 60% |
| September | 22°C / 71°F | 11°C / 51°F | 45 mm | 76% | 56% |
| October | 17°C / 62°F | 8°C / 46°F | 58 mm | 84% | 66% |
| November | 11°C / 52°F | 4°C / 40°F | 62 mm | 91% | 74% |
| December | 8°C / 46°F | 2°C / 36°F | 80 mm | 93% | 76% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is September a good time to visit Paris?
Our Paris guide recommends: April to June or September to October, avoiding August when many Parisians (and some businesses) are away.
Book Louvre and Eiffel Tower tickets online for a specific time slot — it's the single biggest time-saver in the city.
Best time to visit Paris →Other France cities in September
Cite or embed this data
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Paris weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/france/paris/september
<a href="https://weathercompare.eu/weather/france/paris/september">Paris weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/france/paris" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Paris weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/france/paris/september">Paris weather in September</a> – WeatherCompare</p>
Paris in September: quick answers
Is September a good time to visit Paris?
Yes. September is one of the best months for Paris, with highs around 22°C and about 45 mm of rain.
How warm is Paris in September?
Average highs are about 22°C (71°F) and average lows about 11°C (51°F), based on 10 years of daily data.
Does it rain a lot in Paris in September?
Paris typically gets around 45 mm of rain in September — fairly dry.
When is the best time to visit Paris?
April to June or September to October, avoiding August when many Parisians (and some businesses) are away.
Figures are long-term averages for the area around Paris (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.