Climate averages 1991–2020
Akita weather
in September.
A warm, very wet month: the 3rd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Akita: daytime highs average 23.0°C and nights cool to about 17.5°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 190 mm of rain on roughly 15 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average September day.
The nearest other city in this atlas is Yurihonjō (37 km away). In September its highs average 23.6°C, 0.5°C warmer than Akita, with 185 mm of rain.
Among the 303 cities listed in Japan, Akita ranks 282nd of 303 for the warmest September highs and joint 163rd of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Akita is 2.6°C cooler than that mean.
From September to October, average highs fall by 5.9°C to 17.1°C, and monthly rainfall falls from 190 mm to 179 mm.
The annual picture
September in context
Monthly precipitation
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
Akita climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.6°C-2.6°C | -2.6°C | 164 | 25.6 | 9.710 h |
| February | 2.2°C-2.6°C | -2.6°C | 123 | 21.2 | 10.711 h |
| March | 6.0°C0.1°C | 0.1°C | 119 | 18.0 | 11.912 h |
| April | 11.9°C4.7°C | 4.7°C | 111 | 14.0 | 13.213 h |
| May | 17.2°C10.0°C | 10.0°C | 130 | 13.4 | 14.314 h |
| June | 21.4°C14.9°C | 14.9°C | 136 | 11.8 | 14.915 h |
| July | 24.8°C19.5°C | 19.5°C | 223 | 15.7 | 14.715 h |
| August | 26.5°C21.1°C | 21.1°C | 203 | 14.8 | 13.714 h |
| September, selected | 23.0°C17.5°C | 17.5°C | 190 | 15.0 | 12.512 h |
| October | 17.1°C11.4°C | 11.4°C | 179 | 15.6 | 11.211 h |
| November | 10.7°C5.5°C | 5.5°C | 183 | 20.1 | 10.010 h |
| December | 4.6°C0.3°C | 0.3°C | 199 | 24.7 | 9.49 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Yurihonjō in SeptemberJapan · 37 kmHigh 23.6°C · Low 17.6°C · 185 mm rain
- Daisen in SeptemberJapan · 44 kmHigh 23.3°C · Low 15.8°C · 152 mm rain
- Yokote in SeptemberJapan · 58 kmHigh 23.1°C · Low 15.8°C · 156 mm rain
- Morioka in SeptemberJapan · 88 kmHigh 21.9°C · Low 14.8°C · 137 mm rain
- Sakata in SeptemberJapan · 92 kmHigh 23.8°C · Low 17.8°C · 163 mm rain
- Hanamaki in SeptemberJapan · 93 kmHigh 22.5°C · Low 15.3°C · 147 mm rain
- Kitakami in SeptemberJapan · 98 kmHigh 22.6°C · Low 15.3°C · 154 mm rain
- Hirosaki in SeptemberJapan · 102 kmHigh 22.7°C · Low 14.9°C · 154 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 Akita) is explained once on the Akita year overview and on the Sources, method and limits page.