Climate averages 1991–2020
Tatsuno 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 Tatsuno: daytime highs average 25.9°C and nights cool to about 20.8°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 195 mm of rain on roughly 12 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 Himeji (14 km away). In September its highs average 26.0°C, about as warm as Tatsuno, with 202 mm of rain.
Among the 303 cities listed in Japan, Tatsuno ranks joint 168th of 303 for the warmest September highs and joint 179th of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Tatsuno is 0.2°C warmer than that mean.
From September to October, average highs fall by 4.9°C to 21.0°C, and monthly rainfall falls from 195 mm to 144 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
Tatsuno climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.1°C2.4°C | 2.4°C | 50 | 7.1 | 10.110 h |
| February | 8.9°C2.5°C | 2.5°C | 64 | 7.9 | 10.911 h |
| March | 12.1°C4.8°C | 4.8°C | 112 | 9.9 | 11.912 h |
| April | 16.5°C9.2°C | 9.2°C | 131 | 10.3 | 13.013 h |
| May | 20.5°C13.9°C | 13.9°C | 146 | 10.2 | 14.014 h |
| June | 23.8°C18.4°C | 18.4°C | 185 | 12.4 | 14.514 h |
| July | 27.3°C22.8°C | 22.8°C | 193 | 12.8 | 14.214 h |
| August | 28.9°C24.1°C | 24.1°C | 112 | 10.4 | 13.513 h |
| September, selected | 25.9°C20.8°C | 20.8°C | 195 | 12.3 | 12.412 h |
| October | 21.0°C15.3°C | 15.3°C | 144 | 8.9 | 11.311 h |
| November | 15.6°C9.6°C | 9.6°C | 74 | 7.0 | 10.410 h |
| December | 10.4°C4.7°C | 4.7°C | 61 | 6.9 | 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
- Himeji in SeptemberJapan · 14 kmHigh 26.0°C · Low 20.6°C · 202 mm rain
- Kakogawachō-honmachi in SeptemberJapan · 27 kmHigh 26.1°C · Low 20.8°C · 202 mm rain
- Miki in SeptemberJapan · 40 kmHigh 26.5°C · Low 20.7°C · 194 mm rain
- Akashi in SeptemberJapan · 47 kmHigh 26.4°C · Low 21.2°C · 194 mm rain
- Tsuyama in SeptemberJapan · 55 kmHigh 26.5°C · Low 19.0°C · 181 mm rain
- Okayama in SeptemberJapan · 59 kmHigh 27.2°C · Low 20.2°C · 167 mm rain
- Kobe in SeptemberJapan · 60 kmHigh 27.1°C · Low 21.2°C · 191 mm rain
- Sandachō in SeptemberJapan · 63 kmHigh 26.3°C · Low 19.7°C · 196 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 Tatsuno) is explained once on the Tatsuno year overview and on the Sources, method and limits page.