Seaside Weather in September

September in Seaside brings pleasant temperatures, with daytime highs of 21°C (70°F) and nights around 12°C (54°F). Only 2.2 mm (0.1 in) of rainfall is typical, making it a largely dry month.

Rainfall in Seaside in September

Historically, approximately a single day this month are expected to have rain, averaging 2.2 mm (0.1 in). If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in Seaside in September

September in Seaside is generally excellent, with days reaching 21°C (70°F) and nights settling around 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it sees the highest temps of the year.

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