Muroran in September
6.7out of 10
Possible, with caveats
Mild: highs around 20°C. Frequent rain: about 13 rainy days.
20°CAvg high
17°CAvg low
13Rainy days (167 mm)
12:16 hDaylight
05:22Sunrise · 17:38 Sunset
Why this score
- Mild: highs around 20°C
- Frequent rain: about 13 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.5 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 | -1°C | -4°C | 50 mm | 9 | – | – | 3.9 |
| February | 0°C | -3°C | 45 mm | 7 | – | – | 4.2 |
| March | 2°C | -1°C | 56 mm | 8 | – | – | 4.6 |
| April | 6°C | 2°C | 77 mm | 9 | – | – | 5.3 |
| May | 11°C | 7°C | 112 mm | 12 | – | – | 5.6 |
| June | 15°C | 13°C | 106 mm | 11 | – | – | 6.5 |
| July | 20°C | 17°C | 151 mm | 13 | – | – | 6.6 |
| August | 22°C | 20°C | 182 mm | 13 | – | – | 6.9 |
| September | 20°C | 17°C | 167 mm | 13 | – | – | 6.7 |
| October | 14°C | 11°C | 101 mm | 11 | – | – | 6.3 |
| November | 7°C | 4°C | 80 mm | 11 | – | – | 5.3 |
| December | 2°C | -2°C | 70 mm | 11 | – | – | 4.1 |
Frequently asked questions
How hot is Muroran in September?
Daytime highs average 20°C and nights about 17°C.
When is the best time to visit Muroran?
The best months are August, September, July, June.