Cascade Locks Weather in September

Cascade Locks in September sees high daytime temperatures of 22°C (72°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 70 mm (2.8 in), so pack a rain jacket to stay dry.

Rainfall in Cascade Locks in September

Historically, approximately 8 days this month are expected to have rain, averaging 70 mm (2.8 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Cascade Locks in September

If you're visiting Cascade Locks in September, expect excellent temperatures with highs of 22°C (72°F) and overnight lows of 10°C (50°F). September is part of summer. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Cascade Locks in September

The days are predominantly sunny, with an estimated total of around 236 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Cascade Locks.