New Taipei City weather in September
In September, New Taipei City sees average daytime highs of 29°C and overnight lows near 23°C, with 258 mm of rain across 16.9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.
Highs ease over the month, from about 30°C in the first days to 27°C by the end. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is New Taipei City's 1st-clearest and 6th-windiest month. For the whole year in context, see New Taipei City's year-round climate.
- Daytime high
- 29°
- 4th warmest
- Overnight low
- 23°
- 9th coldest
- Rainfall
- 258 mm
- 16.9 wet days
- Daylight
- 12 h 06 min
- 5:44 AM – 5:53 PM
- Cloud cover
- 65%
- 1st clearest
- Wind
- 9 km/h
- 6th windiest
- Solar energy
- 4.46 kWh/m²
- Travel score
- 4.6
- out of 10
Temperature in September
Highs ease over the month, from about 30°C in the first days to 27°C by the end.
A typical September day in New Taipei City reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 24 |
| 2 | 30 | 24 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 23 |
| 11 | 29 | 23 |
| 12 | 29 | 23 |
| 13 | 29 | 23 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 23 |
| 19 | 29 | 23 |
| 20 | 28 | 23 |
| 21 | 28 | 23 |
| 22 | 28 | 23 |
| 23 | 28 | 22 |
| 24 | 28 | 22 |
| 25 | 28 | 22 |
| 26 | 28 | 22 |
| 27 | 28 | 22 |
| 28 | 27 | 22 |
| 29 | 27 | 22 |
| 30 | 27 | 22 |
How September really feels in New Taipei City
Once humidity and wind are folded in, September averages 14 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
New Taipei City weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 12° | 87 | 14.1 | 10.6 | 4.8 |
| Feb | 18° / 12° | 95 | 12 | 11.1 | 5.2 |
| Mar | 21° / 14° | 105 | 13.9 | 11.8 | 5.6 |
| Apr | 24° / 17° | 132 | 16.3 | 12.6 | 5.6 |
| May | 27° / 21° | 200 | 19.8 | 13.2 | 4.9 |
| Jun | 30° / 23° | 241 | 20.9 | 13.5 | 3.6 |
| Jul | 31° / 25° | 226 | 19.1 | 13.4 | 3.3 |
| Aug | 31° / 25° | 302 | 20.8 | 12.9 | 3.4 |
| Sep | 29° / 23° | 258 | 16.9 | 12.2 | 4.6 |
| Oct | 25° / 20° | 213 | 16.5 | 11.4 | 5.7 |
| Nov | 22° / 17° | 137 | 15.5 | 10.8 | 5.7 |
| Dec | 19° / 14° | 108 | 15 | 10.5 | 5.2 |
Cloud cover in September
The sky is clear or mostly clear about 22% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 59%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 39 | 39 | 39 | 38 | 39 | 40 | 40 | 40 | 41 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 42 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 41 | 39 | 39 | 39 | 38 |
| Cloudier (%) | 61 | 61 | 61 | 62 | 61 | 60 | 60 | 60 | 59 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 58 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 59 | 61 | 61 | 61 | 62 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 39 | 61 |
| 2 | 39 | 61 |
| 3 | 39 | 61 |
| 4 | 38 | 62 |
| 5 | 39 | 61 |
| 6 | 40 | 60 |
| 7 | 40 | 60 |
| 8 | 40 | 60 |
| 9 | 41 | 59 |
| 10 | 43 | 57 |
| 11 | 43 | 57 |
| 12 | 44 | 56 |
| 13 | 44 | 56 |
| 14 | 44 | 56 |
| 15 | 44 | 56 |
| 16 | 44 | 56 |
| 17 | 44 | 56 |
| 18 | 42 | 58 |
| 19 | 41 | 59 |
| 20 | 41 | 59 |
| 21 | 41 | 59 |
| 22 | 41 | 59 |
| 23 | 41 | 59 |
| 24 | 40 | 60 |
| 25 | 40 | 60 |
| 26 | 41 | 59 |
| 27 | 39 | 61 |
| 28 | 39 | 61 |
| 29 | 39 | 61 |
| 30 | 38 | 62 |
Chance of precipitation in September
New Taipei City gets around 258 mm of rain over 16.9 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 56% and peaks near 63% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 59 | 59 | 58 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 55 | 56 |
| Rain chance (%) | |
|---|---|
| 1 | 63 |
| 2 | 63 |
| 3 | 62 |
| 4 | 62 |
| 5 | 61 |
| 6 | 61 |
| 7 | 60 |
| 8 | 59 |
| 9 | 59 |
| 10 | 58 |
| 11 | 57 |
| 12 | 56 |
| 13 | 56 |
| 14 | 55 |
| 15 | 55 |
| 16 | 54 |
| 17 | 54 |
| 18 | 54 |
| 19 | 54 |
| 20 | 53 |
| 21 | 53 |
| 22 | 53 |
| 23 | 53 |
| 24 | 53 |
| 25 | 53 |
| 26 | 53 |
| 27 | 54 |
| 28 | 54 |
| 29 | 55 |
| 30 | 56 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| Humid (%) | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 |
| Muggy (%) | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 14 | 15 | 16 | 18 | 19 | 20 | 22 | 23 | 24 | 26 | 27 | 27 | 28 | 29 | 30 | 30 | 30 | 31 |
| Oppressive (%) | 76 | 76 | 76 | 77 | 76 | 76 | 77 | 76 | 76 | 75 | 74 | 73 | 73 | 71 | 70 | 68 | 66 | 65 | 63 | 61 | 59 | 57 | 57 | 56 | 55 | 55 | 52 | 52 | 52 | 50 |
| Miserable (%) | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 2 | 5 | 76 | 17 |
| 2 | 0 | 2 | 6 | 76 | 16 |
| 3 | 0 | 2 | 7 | 76 | 15 |
| 4 | 0 | 2 | 7 | 77 | 14 |
| 5 | 0 | 3 | 8 | 76 | 13 |
| 6 | 0 | 3 | 9 | 76 | 12 |
| 7 | 0 | 3 | 9 | 77 | 11 |
| 8 | 0 | 4 | 10 | 76 | 10 |
| 9 | 0 | 4 | 11 | 76 | 9 |
| 10 | 0 | 5 | 12 | 75 | 8 |
| 11 | 0 | 6 | 12 | 74 | 8 |
| 12 | 0 | 7 | 13 | 73 | 7 |
| 13 | 0 | 7 | 14 | 73 | 6 |
| 14 | 0 | 8 | 15 | 71 | 6 |
| 15 | 0 | 9 | 16 | 70 | 5 |
| 16 | 0 | 9 | 18 | 68 | 5 |
| 17 | 0 | 10 | 19 | 66 | 5 |
| 18 | 0 | 10 | 20 | 65 | 5 |
| 19 | 0 | 11 | 22 | 63 | 4 |
| 20 | 1 | 11 | 23 | 61 | 4 |
| 21 | 1 | 12 | 24 | 59 | 4 |
| 22 | 1 | 12 | 26 | 57 | 4 |
| 23 | 1 | 12 | 27 | 57 | 3 |
| 24 | 2 | 12 | 27 | 56 | 3 |
| 25 | 2 | 12 | 28 | 55 | 3 |
| 26 | 2 | 12 | 29 | 55 | 2 |
| 27 | 3 | 13 | 30 | 52 | 2 |
| 28 | 3 | 13 | 30 | 52 | 2 |
| 29 | 3 | 13 | 30 | 52 | 2 |
| 30 | 4 | 14 | 31 | 50 | 2 |
Wind in September
Winds average 9 km/h in September.
Across September, daily wind ranges from about 7 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 30 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over September. Sunrise moves from 5:38 AM to 5:50 AM, and sunset from 6:09 PM to 5:37 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:42 | 5:42 | 5:43 | 5:43 | 5:43 | 5:44 | 5:44 | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:50 |
| Sunset (PM) | 6:09 | 6:08 | 6:07 | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:00 | 5:58 | 5:57 | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:39 | 5:38 | 5:37 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 5:38 | 6:09 |
| 2 | 12.5 | 5:39 | 6:08 |
| 3 | 12.5 | 5:39 | 6:07 |
| 4 | 12.4 | 5:40 | 6:06 |
| 5 | 12.4 | 5:40 | 6:05 |
| 6 | 12.4 | 5:40 | 6:04 |
| 7 | 12.4 | 5:41 | 6:03 |
| 8 | 12.3 | 5:41 | 6:02 |
| 9 | 12.3 | 5:42 | 6:01 |
| 10 | 12.3 | 5:42 | 6:00 |
| 11 | 12.3 | 5:42 | 5:58 |
| 12 | 12.2 | 5:43 | 5:57 |
| 13 | 12.2 | 5:43 | 5:56 |
| 14 | 12.2 | 5:43 | 5:55 |
| 15 | 12.2 | 5:44 | 5:54 |
| 16 | 12.1 | 5:44 | 5:53 |
| 17 | 12.1 | 5:45 | 5:52 |
| 18 | 12.1 | 5:45 | 5:51 |
| 19 | 12.1 | 5:45 | 5:49 |
| 20 | 12.0 | 5:46 | 5:48 |
| 21 | 12.0 | 5:46 | 5:47 |
| 22 | 12.0 | 5:46 | 5:46 |
| 23 | 12.0 | 5:47 | 5:45 |
| 24 | 11.9 | 5:47 | 5:44 |
| 25 | 11.9 | 5:48 | 5:43 |
| 26 | 11.9 | 5:48 | 5:42 |
| 27 | 11.9 | 5:48 | 5:41 |
| 28 | 11.8 | 5:49 | 5:39 |
| 29 | 11.8 | 5:49 | 5:38 |
| 30 | 11.8 | 5:50 | 5:37 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².
For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 5.66 kWh/m² in July across the year — September's 4.46 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.9 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.3 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.2 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.0 | Bright |
| 28 | 4.0 | Moderate |
| 29 | 3.9 | Moderate |
| 30 | 3.9 | Moderate |
Hazard calendar for New Taipei City
In September, New Taipei City sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
New Taipei City sits in the Pacific typhoon belt; the season peaks July–October.
Is September a good time to visit New Taipei City?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit New Taipei City for sightseeing.
What to pack for New Taipei City in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, New Taipei City sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 17 days see rain.
Sea temperature near New Taipei City in September
The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 29°C and coldest in February near 18°C.
It's comfortable for a long swim from Mar 19 to Dec 24 — about 9.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 20 | 23 | 26 | 27 | 29 | 29 | 28 | 25 | 23 | 21 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Warm | Tropical | Tropical | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 18 | Cool |
| Mar | 20 | Cool |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 27 | Warm |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 25 | Warm |
| Nov | 23 | Refreshing |
| Dec | 21 | Refreshing |
UV index in New Taipei City in September
Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in New Taipei City peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 9 | 8 | 10 | 12 | 11 | 9 | 11 | 8 | 7 | 4 |
| Level | Moderate | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 4 | Moderate |
Air quality in New Taipei City in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in New Taipei City is worst in April — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 25 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 38 | 43 | 51 | 52 | 44 | 41 | 32 | 32 | 30 | 25 | 32 | 32 |
| Level | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 38 | Poor |
| Feb | 43 | Poor |
| Mar | 51 | Poor |
| Apr | 52 | Poor |
| May | 44 | Poor |
| Jun | 41 | Poor |
| Jul | 32 | Moderate |
| Aug | 32 | Moderate |
| Sep | 30 | Moderate |
| Oct | 25 | Moderate |
| Nov | 32 | Moderate |
| Dec | 32 | Moderate |
Where is New Taipei City?
New Taipei City sits at 25.1°N, 121.5°E, 4 m above sea level, in Taiwan. The nearest listed city is Banqiao, 5.0 km away.
Topography around New Taipei City
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of New Taipei City.
Within 3 km, the terrain around New Taipei City has only modest variations in elevation — a maximum elevation change of 140 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,106 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,839 m.
The land around New Taipei City is covered by artificial surfaces (78%) within 3 km, trees (55%) and artificial surfaces (34%) within 16 km, and water (54%) and trees (39%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for New Taipei City (25.062°, 121.457°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).