Climate averages 1991–2020
Hikone 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 Hikone: daytime highs average 25.8°C and nights cool to about 19.5°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 212 mm of rain on roughly 14 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 Nagahama (15 km away). In September its highs average 25.8°C, about as warm as Hikone, with 222 mm of rain.
Among the 303 cities listed in Japan, Hikone ranks joint 176th of 303 for the warmest September highs and joint 227th of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Hikone is 0.1°C warmer than that mean.
From September to October, average highs fall by 5.5°C to 20.3°C, and monthly rainfall falls from 212 mm to 166 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
Hikone climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.7°C0.7°C | 0.7°C | 74 | 11.3 | 10.110 h |
| February | 7.4°C0.5°C | 0.5°C | 77 | 11.1 | 10.911 h |
| March | 11.0°C2.9°C | 2.9°C | 124 | 12.6 | 11.912 h |
| April | 16.3°C7.6°C | 7.6°C | 140 | 12.0 | 13.113 h |
| May | 21.0°C12.7°C | 12.7°C | 170 | 12.0 | 14.014 h |
| June | 24.6°C17.5°C | 17.5°C | 216 | 14.9 | 14.514 h |
| July | 28.3°C22.0°C | 22.0°C | 256 | 17.8 | 14.314 h |
| August | 29.7°C23.1°C | 23.1°C | 163 | 15.5 | 13.513 h |
| September, selected | 25.8°C19.5°C | 19.5°C | 212 | 13.9 | 12.412 h |
| October | 20.3°C13.8°C | 13.8°C | 166 | 10.8 | 11.311 h |
| November | 14.8°C8.4°C | 8.4°C | 86 | 8.6 | 10.310 h |
| December | 9.3°C3.3°C | 3.3°C | 72 | 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
- Nagahama in SeptemberJapan · 15 kmHigh 25.8°C · Low 19.5°C · 222 mm rain
- Youkaichi in SeptemberJapan · 16 kmHigh 26.2°C · Low 19.2°C · 202 mm rain
- Ōmihachiman in SeptemberJapan · 19 kmHigh 26.2°C · Low 19.1°C · 179 mm rain
- Kōka in SeptemberJapan · 31 kmHigh 26.3°C · Low 19.2°C · 202 mm rain
- Moriyama in SeptemberJapan · 32 kmHigh 26.3°C · Low 19.3°C · 153 mm rain
- Ōgaki in SeptemberJapan · 35 kmHigh 26.6°C · Low 19.3°C · 246 mm rain
- Kusatsu in SeptemberJapan · 37 kmHigh 26.7°C · Low 19.4°C · 153 mm rain
- Kuwana in SeptemberJapan · 44 kmHigh 26.8°C · Low 19.6°C · 222 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 Hikone) is explained once on the Hikone year overview and on the Sources, method and limits page.