Monthly climate guide
Taipei weather in September
With highs near 28°C (83°F) and lows around 24°C (75°F), September feels hot in Taipei. Rainfall averages about 183 mm (very wet) and the sky is often cloudy. Daytime highs are 2°C cooler than August and 3°C warmer than October.
What stands out in September
- Nights stay warm, rarely below 24°C — air-conditioning helps.
- Just 130 km apart, but Taipei runs about 2°C cooler than Taichung this month.
- There's little difference between day and night (around 5°C).
- Humidity near 85% makes 28°C feel stickier than it sounds.
Avg high
28°C
83°F
Avg low
24°C
75°F
Rainfall
183 mm
very wet
Humidity
85%
relative
Sky
68%
cloud · often cloudy
Taipei weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 17°C / 63°F | 12°C / 54°F | 109 mm | 86% | 88% |
| February | 18°C / 64°F | 13°C / 55°F | 89 mm | 86% | 89% |
| March | 21°C / 69°F | 14°C / 58°F | 136 mm | 84% | 86% |
| April | 24°C / 76°F | 18°C / 64°F | 124 mm | 82% | 82% |
| May | 27°C / 81°F | 22°C / 71°F | 253 mm | 84% | 84% |
| June | 29°C / 85°F | 25°C / 76°F | 307 mm | 84% | 83% |
| July | 30°C / 87°F | 25°C / 78°F | 168 mm | 83% | 62% |
| August | 30°C / 86°F | 25°C / 78°F | 294 mm | 84% | 64% |
| September | 28°C / 83°F | 24°C / 75°F | 183 mm | 85% | 68% |
| October | 25°C / 77°F | 21°C / 69°F | 100 mm | 84% | 74% |
| November | 23°C / 73°F | 19°C / 65°F | 128 mm | 86% | 83% |
| December | 18°C / 65°F | 14°C / 58°F | 116 mm | 86% | 89% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is September a good time to visit Taipei?
Compare the months in the chart above to find your ideal window.
Best time to visit Taipei →Other Taiwan cities in September
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Taipei weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/taiwan/taipei/september
<a href="https://weathercompare.eu/weather/taiwan/taipei/september">Taipei weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/taiwan/taipei" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Taipei weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/taiwan/taipei/september">Taipei weather in September</a> – WeatherCompare</p>
Taipei in September: quick answers
Is September a good time to visit Taipei?
September is one of the wetter months in Taipei, with about 183 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Taipei in September?
Average highs are about 28°C (83°F) and average lows about 24°C (75°F), based on 10 years of daily data.
Does it rain a lot in Taipei in September?
Taipei typically gets around 183 mm of rain in September — very wet.
Figures are long-term averages for the area around Taipei (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.