When to go · Tainan
Tainan in September
Avoid month. Listed as a month to avoid: Jun–Sep (heat, typhoons).
Key facts
- Verdict
- Avoid
- Temperature
- 32°C (90°F)90°F (32°C) / 25°C (77°F)77°F (25°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Taiwan overall
- Prices
- Medium
- Taiwan overall
Verdict
Listed as a month to avoid: Jun–Sep (heat, typhoons).
Is another month better than September?
September is rated avoid. These months rate higher:
Weather in September
- TainanHighs around 32 °C (90 °F), lows around 25 °C (77 °F), rain on about 12 daysHighs around 90 °F (32 °C), lows around 77 °F (25 °C), rain on about 12 days
- West and south, Taiwan · Taichung, Tainan, Kaohsiung, Kentingstorm or typhoon risk
Dry, sunny winters (the best time for the south); wet, hot summers with afternoon storms. Air quality dips on still winter days.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Teachers' Day (Confucius's birthday)
28 Sep · Taiwan
Dawn rites at Confucius temples in Taipei and Tainan; made a public holiday again from 2025 — check.
Crowds and prices
- Crowds · Taiwan overall
- Medium
- Prices · Taiwan overall
- Medium
Taiwan overall: Typhoons still likely; Mid-Autumn long weekend in some years.
Compare two months
Weather, crowds and prices for any two months in Tainan, side by side.
Verdict
Sep: Avoid
Jan: Great (better)
Daytime high
Sep: 32 °C (90 °F)90 °F (32 °C)
Jan: 23 °C (73 °F)73 °F (23 °C)
Night low
Sep: 25 °C (77 °F)77 °F (25 °C)
Jan: 14 °C (57 °F)57 °F (14 °C)
Rain days
Sep: 12
Jan: 4 (better)
Crowds
Sep: Medium
Jan: Medium
Prices
Sep: Medium
Jan: Medium
Festivals listed
Sep: 1
Jan: 1
September: Listed as a month to avoid: Jun–Sep (heat, typhoons).
January: Inside Tainan's best window: Nov–Mar (dry, mild).
Tainan: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast
- A spare day in the plan: storms can cancel flights and ferries