Saint-Gratien Weather in September

Saint-Gratien in September sees pleasant daytime temperatures of 22°C (72°F) and nighttime lows of 11°C (52°F). With just 51 mm (2 in) of rainfall on average, it's the driest month of the year.

Rainfall in Saint-Gratien in September

Known for its least rainfall, this month is the best of the year for people who like to spend time outdoors. Typically, about 12 days will experience rainfall, with an average of 51 mm (2 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Saint-Gratien in September

September in Saint-Gratien is generally excellent, with days reaching 22°C (72°F) and nights settling around 11°C (52°F). Conditions are often most pleasant around the middle of the day. 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-Gratien in September

The month experiences a moderate amount of sunlight, with 172 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Saint-Gratien 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-Gratien.