Paris Weather In September 2025 In Paris. Plus tips about september weather, what to pack, & where to stay. Paris in september weather is slightly chilly with an average temperature high of 21°c and an average temperature low of 12°c.

Published july 27, 2025 • updated on july 27, 2025 at 12:18 pm celine dion delivered a dazzling performance during the paris olympics 2025 opening ceremony. As the month progressed, temperatures tended to significantly cool down, reaching an.