Paris Weather In September 2025

Paris Weather In September 2025. Even typically colder november may be. In paris, september temperatures present a pleasant climate that many find ideal for visiting the city's numerous attractions.

In paris, entering september brings a subtle temperature decrement, reducing from august’s moderately hot 24.5°c (76.1°f) to a pleasant 20.9°c (69.6°f). For your trip to paris in september, you need to know that you’ll be in town at high season.