Castlegar Weather in September

September in Castlegar brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 6°C (43°F). Expect around 54 mm (2.1 in) of rainfall during the month.

Rainfall in Castlegar in September

You can expect rain on roughly 9 days based on historical data, averaging 54 mm (2.1 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Castlegar in September

Daytime temperatures in Castlegar reach 19°C (66°F) in September, dropping to 6°C (43°F) at night. Summer occurs in September. Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.