Climate averages 1991–2020
Shizuoka weather
in September.
A warm, very wet month: the 3rd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Shizuoka: daytime highs average 25.8°C and nights cool to about 20.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 277 mm of rain on roughly 17 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Fujieda (17 km away). In September its highs average 25.6°C, about as warm as Shizuoka, with 265 mm of rain.
Among the 303 cities listed in Japan, Shizuoka ranks joint 176th of 303 for the warmest September highs and 296th of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Shizuoka is 0.2°C warmer than that mean.
From September to October, average highs fall by 4.5°C to 21.4°C, and monthly rainfall falls from 277 mm to 247 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
Shizuoka climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.6°C2.5°C | 2.5°C | 94 | 8.4 | 10.110 h |
| February | 10.3°C2.5°C | 2.5°C | 120 | 9.4 | 10.911 h |
| March | 13.2°C5.1°C | 5.1°C | 211 | 14.4 | 11.912 h |
| April | 17.2°C9.4°C | 9.4°C | 225 | 13.6 | 13.013 h |
| May | 21.1°C13.9°C | 13.9°C | 234 | 13.9 | 14.014 h |
| June | 23.9°C18.3°C | 18.3°C | 291 | 17.2 | 14.514 h |
| July | 27.5°C22.3°C | 22.3°C | 323 | 18.5 | 14.314 h |
| August | 28.6°C23.5°C | 23.5°C | 191 | 16.3 | 13.513 h |
| September, selected | 25.8°C20.9°C | 20.9°C | 277 | 16.5 | 12.412 h |
| October | 21.4°C15.9°C | 15.9°C | 247 | 14.1 | 11.311 h |
| November | 16.7°C10.3°C | 10.3°C | 150 | 11.4 | 10.410 h |
| December | 11.9°C5.1°C | 5.1°C | 91 | 8.3 | 9.910 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
- Fujieda in SeptemberJapan · 17 kmHigh 25.6°C · Low 21.1°C · 265 mm rain
- Shimada in SeptemberJapan · 26 kmHigh 25.2°C · Low 21.0°C · 265 mm rain
- Fujinomiya in SeptemberJapan · 34 kmHigh 25.6°C · Low 19.6°C · 337 mm rain
- Fuji, Japan in SeptemberJapan · 34 kmHigh 26.5°C · Low 20.7°C · 279 mm rain
- Kakegawa in SeptemberJapan · 41 kmHigh 26.3°C · Low 20.9°C · 257 mm rain
- Numazu in SeptemberJapan · 46 kmHigh 26.1°C · Low 20.9°C · 243 mm rain
- Fukuroi in SeptemberJapan · 50 kmHigh 26.6°C · Low 20.7°C · 257 mm rain
- Iwata in SeptemberJapan · 58 kmHigh 26.7°C · Low 21.0°C · 247 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 Shizuoka) is explained once on the Shizuoka year overview and on the Sources, method and limits page.