Iyo in September
6.7out of 10
Possible, with caveats
Warm and comfortable: highs around 27°C. Frequent rain: about 14 rainy days.
27°CAvg high
20°CAvg low
14Rainy days (191 mm)
12:12 hDaylight
05:58Sunrise · 18:09 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Frequent rain: about 14 rainy days
- Rain varies a lot between years (±4.1 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?
Rain in September varies a lot between years (±4.1 rainy days), so check the forecast closer to your trip. 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 | 8°C | 2°C | 71 mm | 12 | – | – | 5.3 |
| February | 9°C | 3°C | 82 mm | 10 | – | – | 5.6 |
| March | 13°C | 5°C | 118 mm | 13 | – | – | 5.7 |
| April | 18°C | 10°C | 133 mm | 11 | – | – | 6.7 |
| May | 22°C | 15°C | 151 mm | 11 | – | – | 7.2 |
| June | 25°C | 19°C | 273 mm | 16 | – | – | 6.1 |
| July | 29°C | 23°C | 234 mm | 17 | – | – | 6.1 |
| August | 30°C | 24°C | 157 mm | 16 | – | – | 6.4 |
| September | 27°C | 20°C | 191 mm | 14 | – | – | 6.7 |
| October | 22°C | 15°C | 138 mm | 10 | – | – | 7.5 |
| November | 16°C | 9°C | 82 mm | 9 | – | – | 6.9 |
| December | 11°C | 4°C | 82 mm | 12 | – | – | 5.7 |
Frequently asked questions
How hot is Iyo in September?
Daytime highs average 27°C and nights about 20°C.
When is the best time to visit Iyo?
The best months are October, May, November.