Weather in Redmond in September

Redmond, United States averages a high of 20.6°C (69.1°F) and low of 11.1°C (52°F) in September, with 9 rain days and 9.8 hours of daily sunshine. Travel score: 76.2/100 (Good). The best time to visit Redmond is July.

High
21°C69°F
Low
11°C52°F
🌧️
9
rain days
☀️
9.8
hrs/day sunshine
💧
79%
humidity
76Good

September in Redmond is mild and occasionally wet — good for most activities.

What are the average temperatures in Redmond?

JanFebMarAprMayJunJulAugSep21°11°OctNovDec

How much does it rain in Redmond in September?

Redmond receives an average of 92.9mm of rainfall across 9 rainy days in September. The annual total is 1652.8mm.

JanFebMarAprMayJunJulAugSep9dOctNovDec

What should I pack for Redmond in September?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Recommended

🧥
Light rain jacket
Some rainy days expected (9 days)
Umbrella
Be prepared for occasional showers

🎉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