Saint-Denis Weather in September

September in Saint-Denis brings pleasant temperatures, with highs of 22°C (72°F) and nights dropping to 11°C (52°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in Saint-Denis in September

With the driest weather of the year, this month is ideal for outdoor fun. You can typically expect 12 days of rain this month, averaging around 52 mm (2 in). 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 Saint-Denis in September

Saint-Denis in September has excellent weather. Days reach 22°C (72°F) and nights cool to 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 Saint-Denis in September

The area enjoys a moderate level of sunlight, with around 172 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Saint-Denis in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Saint-Denis.