Weather in Yilan in September
Yilan, Taiwan averages a high of 28.1°C (82.6°F) and low of 23.7°C (74.7°F) in September, with 20 rain days and 9.6 hours of daily sunshine. Travel score: 66.7/100 (Good). The best time to visit Yilan is July.
High
28°C83°F
Low
24°C75°F
🌧️
20
rain days
☀️
9.6
hrs/day sunshine
💧
86%
humidity
67— Good
September in Yilan is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Yilan?
How much does it rain in Yilan in September?
Yilan receives an average of 314.4mm of rainfall across 20 rainy days in September. The annual total is 3010.5mm.
What should I pack for Yilan in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧥
Waterproof jacket
Frequent rain expected (20 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Taiwan in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31