Hirakawa in September
6.8out of 10
Possible, with caveats
Warm and comfortable: highs around 22°C. Frequent rain: about 14 rainy days.
22°CAvg high
15°CAvg low
14Rainy days (155 mm)
12:15 hDaylight
05:24Sunrise · 17:40 Sunset
Why this score
- Warm and comfortable: highs around 22°C
- Frequent rain: about 14 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.3 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 | 0°C | -6°C | 82 mm | 17 | – | – | 2.7 |
| February | 1°C | -5°C | 81 mm | 16 | – | – | 3.0 |
| March | 5°C | -2°C | 100 mm | 16 | – | – | 3.7 |
| April | 12°C | 3°C | 98 mm | 14 | – | – | 5.5 |
| May | 18°C | 9°C | 104 mm | 13 | – | – | 6.6 |
| June | 22°C | 14°C | 110 mm | 14 | – | – | 7.0 |
| July | 25°C | 18°C | 163 mm | 17 | – | – | 6.4 |
| August | 26°C | 19°C | 178 mm | 17 | – | – | 6.4 |
| September | 22°C | 15°C | 155 mm | 14 | – | – | 6.8 |
| October | 16°C | 8°C | 127 mm | 14 | – | – | 6.0 |
| November | 9°C | 2°C | 111 mm | 16 | – | – | 4.6 |
| December | 2°C | -4°C | 107 mm | 19 | – | – | 2.8 |
Frequently asked questions
How hot is Hirakawa in September?
Daytime highs average 22°C and nights about 15°C.
When is the best time to visit Hirakawa?
The best months are June, September, May, July.