Jōetsu Weather in September
Jōetsu in September
The short of it: Jōetsu in September averages a high of 27 °C (80 °F) and a low of 18 °C (65 °F), with 197 mm (7.8 in) of rain and about 12 h 22 min of daylight. Rated 3 of 5 for a visit; the best months are May and October. Source: TerraClimate climate normals, 1991–2020.
Average high 27° · low 18° · rain 197 mm · daylight 12 h 22 min
✦✦✦ Fair for a visit · best months: May & October
September in Jōetsu brings afternoons near 27° and nights around 18°, with about 197 mm of rain over the month. Highs fall 4° against August, to near 27°; nights run about 18°. Wet spells are common — about 197 mm, the 6th wettest month.
The sun is up for about 12 h 22 min in mid-September, 73 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are May and October.
Against its neighbours, Jōetsu runs warmer than most and wetter than most in September. Myoko, 14 km to the S, is 1° cooler by day.
September in Jōetsu, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 6th wettest of 12
- Versus August
- 4° colder, 60 mm more rain
- Versus October
- 6° warmer
- Day–night spread
- 9°
- Snow season
- Jan–Feb
- Daylight, mid-month
- 12 h 22 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| MyokoNiigata | 14 km S | 26° | 18° | 179 mm |
| AraiNiigata | 16 km S | 26° | 18° | 178 mm |
| ToyosatoNagano | 31 km SE | 24° | 16° | 156 mm |
| IiyamaNagano | 35 km SSE | 25° | 17° | 142 mm |
| ItoigawaNiigata | 37 km WSW | 26° | 18° | 187 mm |
| KashiwazakiNiigata | 37 km NE | 27° | 18° | 183 mm |
| KamikijimaNagano | 38 km SSE | 25° | 17° | 145 mm |
| KashiwabaraNagano | 39 km S | 24° | 15° | 144 mm |