Saint-Firmin Weather in September

In Saint-Firmin, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.

Rainfall in Saint-Firmin in September

You can expect rain on around 13 days based on historical patterns, with 70 mm (2.8 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 Saint-Firmin in September

The excellent temperature in Saint-Firmin in September makes it a solid month to visit, with 20°C (68°F) during the day and 13°C (55°F) at night. The summer season takes place during September. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Saint-Firmin in September

You can expect a moderate amount of sunlight, with approximately 160 hours. This means a pleasant mix of sun and overcast.

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