Weather in Olympia in September
Olympia, United States averages a high of 21.8°C (71.2°F) and low of 12.1°C (53.8°F) in September, with 7 rain days and 10 hours of daily sunshine. Travel score: 81.1/100 (Excellent). The best time to visit Olympia is July.
High
22°C71°F
Low
12°C54°F
🌧️
7
rain days
☀️
10
hrs/day sunshine
💧
77%
humidity
81— Excellent
September in Olympia is mild and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Olympia?
How much does it rain in Olympia in September?
Olympia receives an average of 54.7mm of rainfall across 7 rainy days in September. The annual total is 1334.1mm.
What should I pack for Olympia in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 22°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31