Verdict: Excellent month
Paris Weather in September
September hits the sweet spot in Paris — highs around 22°C (72°F), ideal for a full day on foot. Expect showers on roughly 10 days of the month — rarely trip-ruining, worth planning around. Overall, September is one of the best months of the year to be in Paris.
Average high
22°C / 72°F
Average low
13°C / 55°F
Rain days
~10
Precipitation
76 mm
What to pack for Paris in September
- Summer clothes, plus one light layer for air-con and evenings
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Paris: Jul (25°C / 77°F) · Coolest: Jan (8°C / 46°F) · Wettest: Dec (~15 rain days)
8°
2°
Jan
11°
4°
Feb
13°
4°
Mar
16°
6°
Apr
19°
10°
May
24°
14°
Jun
25°
15°
Jul
25°
16°
Aug
22°
13°
Sep
17°
10°
Oct
12°
6°
Nov
9°
4°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)