Is Hachiōji hot in September?
Days are typically warm at 27.5°C, while nights average 20.9°C.
Japan · 1991–2020 normal
Hachiōji in
September.
Typical September weather in Hachiōji: 27.5°C by day, 20.9°C at night, 293 mm of rain over 13 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.5°C
Typical low20.9°C
Rain293 mm
Wet days13
In the year-round weather comparison, September scores 33 out of 100 (May leads the year at 73). Daylight is calculated as 12 h 22 from latitude 35.66°.
September at a glance
What is Hachiōji like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 293 mm across about 13 wet days.
How much daylight is there?
There are about 12 h 22 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 9 of 12 in our weather comparison; May ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1863440
- NOAA station
- JA000047670 · YOKOHAMA
- Station distance
- 38.5 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Hachiōji is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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