Pontoise Weather in September

Pontoise in September averages 22°C (72°F) during the day and 11°C (52°F) at night. This is the driest month of the year.

Rainfall in Pontoise in September

This month is perfect for exploring, with the driest conditions of the year. Records from the past 30 years suggest around 12 days of rain, with 50 mm (2 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Pontoise in September

September is a good time to be in Pontoise. Days are excellent, reaching 22°C (72°F), with nights around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Pontoise in September

With about 172 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Pontoise.