Climate averages 1991–2020
Gotemba weather
in September.
A warm, very wet month: the 3rd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Gotemba: daytime highs average 24.6°C and nights cool to about 18.5°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 263 mm of rain on roughly 17 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Odawara (21 km away). In September its highs average 26.1°C, 1.5°C warmer than Gotemba, with 241 mm of rain.
Among the 303 cities listed in Japan, Gotemba ranks joint 244th of 303 for the warmest September highs and 289th of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Gotemba is 1.1°C cooler than that mean.
From September to October, average highs fall by 5.1°C to 19.5°C, and monthly rainfall falls from 263 mm to 261 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gotemba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.6°C-1.0°C | -1.0°C | 96 | 10.1 | 10.110 h |
| February | 7.3°C-1.1°C | -1.1°C | 108 | 10.9 | 10.911 h |
| March | 10.9°C1.7°C | 1.7°C | 184 | 15.9 | 11.912 h |
| April | 16.1°C6.6°C | 6.6°C | 178 | 14.4 | 13.113 h |
| May | 20.5°C11.8°C | 11.8°C | 186 | 14.6 | 14.014 h |
| June | 23.3°C16.5°C | 16.5°C | 243 | 17.8 | 14.514 h |
| July | 27.2°C20.8°C | 20.8°C | 235 | 17.8 | 14.314 h |
| August | 28.0°C21.7°C | 21.7°C | 185 | 16.4 | 13.513 h |
| September, selected | 24.6°C18.5°C | 18.5°C | 263 | 16.7 | 12.412 h |
| October | 19.5°C12.9°C | 12.9°C | 261 | 15.7 | 11.311 h |
| November | 14.5°C6.9°C | 6.9°C | 132 | 12.1 | 10.310 h |
| December | 9.4°C1.8°C | 1.8°C | 90 | 10.4 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Odawara in SeptemberJapan · 21 kmHigh 26.1°C · Low 20.8°C · 241 mm rain
- Numazu in SeptemberJapan · 25 kmHigh 26.1°C · Low 20.9°C · 243 mm rain
- Hadano in SeptemberJapan · 26 kmHigh 25.4°C · Low 20.3°C · 241 mm rain
- Fuji, Japan in SeptemberJapan · 29 kmHigh 26.5°C · Low 20.7°C · 279 mm rain
- Fujinomiya in SeptemberJapan · 32 kmHigh 25.6°C · Low 19.6°C · 337 mm rain
- Isehara in SeptemberJapan · 34 kmHigh 25.1°C · Low 20.5°C · 229 mm rain
- Hiratsuka in SeptemberJapan · 36 kmHigh 24.8°C · Low 20.6°C · 241 mm rain
- Sagamihara in SeptemberJapan · 39 kmHigh 25.0°C · Low 18.9°C · 229 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gotemba) is explained once on the Gotemba year overview and on the Sources, method and limits page.