Paris September Weather By Month: A Detailed Guide
Paris in September offers a gentle transition from summer heat to autumn coolness, making it one of the most pleasant times to explore the City of Light. Whether you are planning a trip to see iconic monuments, strolling along the Seine, or simply want to know what to wear in the capital, understanding the local climate will help you make the most of your visit.
Paris September Weather Overview
September marks the beginning of autumn in Paris, yet the city retains a hint of summer warmth during the first half of the month. On average, daytime temperatures range from 15°C to 22°C (59°F‑72°F), while evenings can dip to around 11°C (52°F). Rainfall increases slightly compared with July and August, with an average of 45 mm (1.8 in) spread over 9–10 days of light showers.
Daylight remains generous, offering roughly 12 hours of sunshine at the start of September and gradually decreasing to about 10 hours by month’s end. This balance of light and mild temperatures creates ideal conditions for outdoor cafés, river walks, and visits to parks such as the Luxembourg Gardens.
Key Climate Data for September
- Average high: 22°C (72°F)
- Average low: 11°C (52°F)
- Average rainfall: 45 mm (1.8 in)
- Average sunshine: 180 hours
- Average humidity: 70 %
What to Wear in September
Parisian style leans toward layers, so pack versatile pieces that can adapt to changing temperatures. Here’s a quick checklist:
- Light jacket or trench coat: Perfect for cool evenings and occasional rain.
- Long‑sleeve tops or blouses: Provide warmth without bulk.
- Comfortable trousers or dark denim: Suitable for both day tours and evening outings.
