Chilliwack Weather in September

Chilliwack in September sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 8°C (46°F). Rainfall is fairly high this month at around 129 mm (5.1 in), so pack a rain jacket to stay dry.

Rainfall in Chilliwack in September

Typically, you can expect about 12 days of rain this month, with 129 mm (5.1 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Chilliwack in September

September in Chilliwack brings typical temperatures with highs around 19°C (66°F) and lows of 8°C (46°F). September is known for being in the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Chilliwack in September

The city usually sees around 188 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, 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.