Climate averages 1991–2020
Ise weather
in September.
A warm, very wet month: the 3rd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Ise: daytime highs average 26.3°C and nights cool to about 21.3°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 247 mm of rain on roughly 15 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average September day.
The nearest other city in this atlas is Matsusaka (18 km away). In September its highs average 26.7°C, about as warm as Ise, with 272 mm of rain.
Among the 303 cities listed in Japan, Ise ranks joint 115th of 303 for the warmest September highs and joint 273rd of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Ise is 0.6°C warmer than that mean.
From September to October, average highs fall by 5.0°C to 21.3°C, and monthly rainfall rises from 247 mm to 254 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
Ise climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.9°C3.2°C | 3.2°C | 69 | 5.9 | 10.110 h |
| February | 9.8°C3.2°C | 3.2°C | 74 | 7.2 | 10.911 h |
| March | 13.1°C5.6°C | 5.6°C | 126 | 10.4 | 11.912 h |
| April | 17.6°C9.9°C | 9.9°C | 137 | 10.0 | 13.013 h |
| May | 21.6°C14.6°C | 14.6°C | 164 | 11.8 | 13.914 h |
| June | 24.7°C18.9°C | 18.9°C | 235 | 15.0 | 14.414 h |
| July | 28.4°C23.1°C | 23.1°C | 191 | 14.4 | 14.214 h |
| August | 29.4°C24.2°C | 24.2°C | 144 | 13.6 | 13.413 h |
| September, selected | 26.3°C21.3°C | 21.3°C | 247 | 15.3 | 12.412 h |
| October | 21.3°C16.0°C | 16.0°C | 254 | 12.3 | 11.311 h |
| November | 16.2°C10.5°C | 10.5°C | 110 | 8.2 | 10.410 h |
| December | 11.2°C5.5°C | 5.5°C | 70 | 6.4 | 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
- Matsusaka in SeptemberJapan · 18 kmHigh 26.7°C · Low 20.6°C · 272 mm rain
- Tsu in SeptemberJapan · 32 kmHigh 26.8°C · Low 20.8°C · 253 mm rain
- Suzuka in SeptemberJapan · 46 kmHigh 26.7°C · Low 20.4°C · 225 mm rain
- Handa in SeptemberJapan · 49 kmHigh 26.6°C · Low 20.8°C · 192 mm rain
- Nishio in SeptemberJapan · 53 kmHigh 26.6°C · Low 20.7°C · 214 mm rain
- Yokkaichi in SeptemberJapan · 54 kmHigh 26.8°C · Low 20.1°C · 225 mm rain
- Nabari in SeptemberJapan · 58 kmHigh 26.8°C · Low 19.5°C · 219 mm rain
- Iga in SeptemberJapan · 60 kmHigh 26.8°C · Low 19.6°C · 223 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 Ise) is explained once on the Ise year overview and on the Sources, method and limits page.