Japan · 1991–2020 normal
Tachiarai in
September.
Typical September weather in Tachiarai: 28.5°C by day, 21.3°C at night, 192 mm of rain over 11 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high28.5°C
Typical low21.3°C
Rain192 mm
Wet days11
Comfort score 44 this month (October leads the year at 81). Daylight is calculated as 12 h 20 from latitude 33.40°. Open-water sea temperature is 26.1°C (38 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 26.1°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1851319
- NOAA station
- JA000047807 · FUKUOKA
- Station distance
- 29.7 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.