Katsuura in September
6.5out of 10
Possible, with caveats
Warm and comfortable: highs around 26°C. Very wet: about 15 rainy days.
26°CAvg high
22°CAvg low
15Rainy days (191 mm)
12:12 hDaylight
05:27Sunrise · 17:39 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Very wet: about 15 rainy days
- Rain varies a lot between years (±4.0 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 (±4.0 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 | 10°C | 5°C | 92 mm | 9 | – | – | 5.9 |
| February | 10°C | 5°C | 91 mm | 10 | – | – | 5.7 |
| March | 13°C | 8°C | 141 mm | 14 | – | – | 5.5 |
| April | 17°C | 12°C | 117 mm | 12 | – | – | 6.6 |
| May | 21°C | 17°C | 131 mm | 11 | – | – | 7.2 |
| June | 24°C | 20°C | 180 mm | 15 | – | – | 6.6 |
| July | 28°C | 24°C | 137 mm | 13 | – | – | 7.1 |
| August | 29°C | 25°C | 113 mm | 13 | – | – | 7.2 |
| September | 26°C | 22°C | 191 mm | 15 | – | – | 6.5 |
| October | 21°C | 17°C | 218 mm | 14 | – | – | 6.6 |
| November | 17°C | 12°C | 127 mm | 12 | – | – | 6.5 |
| December | 12°C | 8°C | 83 mm | 10 | – | – | 6.2 |
Frequently asked questions
How hot is Katsuura in September?
Daytime highs average 26°C and nights about 22°C.
When is the best time to visit Katsuura?
The best months are May, August, July.