What to pack for New Taipei City in September
- light, breathable clothing
- sun protection (hat, SPF 50)
- a compact umbrella or rain shell — rain is frequent
- expect humid, sticky conditions
Humidity averages 79%; max daily wind around 18 km/h.
How September compares
Best months in New Taipei City: January–March & November. See the full best time to visit New Taipei City guide.
New Taipei City in September: the details
In September, New Taipei City sees average daytime highs of 31°C (88°F) and overnight lows of 24°C (76°F). Rainfall totals roughly 222 mm across 15.8 rainy days, and the sun shines about 9.7 hours per day with 12.1 hours of daylight mid-month. Relative humidity averages 79%.
In context: September is the 4th-warmest month and the third-wettest in New Taipei City. The sunniest month is July (11.3 h/day).
| Metric | September average |
|---|---|
| Daytime high | 31°C / 88°F |
| Overnight low | 24°C / 76°F |
| Rainfall | 222 mm over 15.8 rainy days |
| Sunshine | 9.7 h/day (12.1 h daylight) |
| Humidity | 79% |
| Travel score | 4.4 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for New Taipei City, Taiwan (25.06, 121.46) — see our methodology. Actual conditions vary year to year.
Not set on New Taipei City? Browse the best places to visit in September ranked by travel score.
Frequently asked questions
How hot is New Taipei City in September?
Daytime highs in New Taipei City in September average 31°C (88°F); nights drop to about 24°C.
Does it rain in New Taipei City in September?
Expect around 15.8 rainy days and 222 mm of rainfall in September.
Is September a good time to visit New Taipei City?
September is a challenging month to visit New Taipei City — consider January–March & November instead. Overall travel score: 4.4/10. The best months are January–March & November.
Also good in September, near New Taipei City
Where should you go next month?
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