Formosa in September
7.8out of 10
Yes, a good time to go
Warm and comfortable: highs around 27°C. Some rain: about 8 rainy days.
27°CAvg high
15°CAvg low
8Rainy days (110 mm)
11:51 hDaylight
06:51Sunrise · 18:43 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Some rain: about 8 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (2.7 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 33°C | 23°C | 118 mm | 11 | – | – | 6.3 |
| February | 32°C | 22°C | 138 mm | 12 | – | – | 6.4 |
| March | 31°C | 21°C | 128 mm | 11 | – | – | 6.9 |
| April | 28°C | 18°C | 153 mm | 10 | – | – | 7.5 |
| May | 24°C | 15°C | 128 mm | 8 | – | – | 7.8 |
| June | 22°C | 14°C | 98 mm | 8 | – | – | 7.9 |
| July | 22°C | 12°C | 79 mm | 7 | – | – | 8.1 |
| August | 25°C | 14°C | 64 mm | 6 | – | – | 8.2 |
| September | 27°C | 15°C | 110 mm | 8 | – | – | 7.8 |
| October | 29°C | 18°C | 184 mm | 11 | – | – | 7.1 |
| November | 30°C | 19°C | 182 mm | 11 | – | – | 6.9 |
| December | 32°C | 22°C | 162 mm | 11 | – | – | 6.3 |
Frequently asked questions
How hot is Formosa in September?
Daytime highs average 27°C and nights about 15°C.
When is the best time to visit Formosa?
The best months are August, July, June, May.