Meteo France Paris Bastille – Heat Wave Forecast for Early September 2026

Starting Wednesday, September 2, 2026, Paris Bastille and the surrounding Île‑de‑France region will experience an intense heat wave. Meteo France reports that temperatures will climb steadily, with maximums exceeding 30 °C in the city center and a gradual increase toward the weekend. This article provides a detailed forecast for Thursday, September 3 to Wednesday, September 9, 2026, along with practical advice for residents and visitors.

Overall Weather Outlook (3 – 9 September)

The heat wave will persist through the week, with a gradual shift from hot, dry conditions to a brief cooler spell before a second surge of heat on Wednesday. Key points:

Overall, the Paris Bastille area will see a steady rise in temperature, with the hottest day expected on Monday, September 7.

Daily Forecast Breakdown

Thursday, 3 September

Morning: Clear skies, 21 °C.
Afternoon: Temperature climbs to 28 °C, with a slight breeze from the west. No rainfall expected.

Friday, 4 September

High: 29 °C with a dry, sunny atmosphere. Low: 19 °C at night. Light winds continue.

Saturday, 5 September

High: 30 °C under a clear sky. A brief cloudy spell may appear in the late afternoon but will not bring rain. Nighttime temperatures remain comfortable at 20 °C.

Sunday, 6 September

High: 31 °C, with a slight increase in humidity. No precipitation is forecast. Winds stay mild.

Monday, 7 September

Peak heat day. High: 35 °C with a dry heat index. Night temperatures will dip to around 22 °C. Residents are advised to stay hydrated.

Tuesday, 8 September

High: 34