Saint Catherines Weather in September

During September, Saint Catherines experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 9°C (48°F). Expect quite a bit of rainfall. Around 162 mm (6.4 in) is typical.

Rainfall in Saint Catherines in September

Records from the past 30 years suggest around 22 days of rain, with 162 mm (6.4 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Saint Catherines in September

Expect highs of 16°C (61°F) in Saint Catherines in September, with nights dropping to around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Saint Catherines in September

This month is characterized by fewer sunny days, with about 87 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

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