September · Taiwan
Best time to visit Taipei in September Weather, crowds & prices
Weather in Taipei in September
Average temperature 28°C, 159 mm of rain, about 20 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.2/10
Ranked #8 of 12 months
- Avg temp
- 28°C
- Rainfall
- 159 mm
- Humidity
- 84%
- Days with 6h+ sun
- 20
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Taipei scores 4.2/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 28°C, 159 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Night markets, mountain hot springs, and temple lanes feel best January through March.
September in Taipei: expect compromises
September averages 28°C (82°F) and humidity near 84%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 159 mm — wet for this destination — but about 20 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.2/10 here, 8th of 12 months, against 7/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? March scores 2.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Taipei in September?
- In September, Taipei averages 28°C, 159 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 4.2/10.
- Is September a good time to visit Taipei?
- September earns a 4.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Taipei in September?
- Expect about 159 mm of rain in September. Average humidity is 84% and there are about 20 days with 6+ hours of sunshine.
Curated in Taipei
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