Is Niitsu-honchō hot in September?
Days are typically warm at 26.5°C, while nights average 19.4°C.
Japan · 1991–2020 normal
Niitsu-honchō in
September.
Typical September weather in Niitsu-honchō: 26.5°C by day, 19.4°C at night, 158 mm of rain over 13.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high26.5°C
Typical low19.4°C
Rain158 mm
Wet days13.2
In the year-round weather comparison, September scores 57 out of 100 (June leads the year at 76). Daylight is calculated as 12 h 23 from latitude 37.80°. Open-water sea temperature is 25.1°C (23 km from the place centre).
September at a glance
What is Niitsu-honchō 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 158 mm across about 13 wet days.
How much daylight is there?
There are about 12 h 23 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 3 of 12 in our weather comparison; June ranks first.
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 25.1°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 1855410
- NOAA station
- JA000047604 · NIIGATA
- Station distance
- 14.5 km from the place centre
- Coverage
- Good coverage · 19 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 Niitsu-honchō 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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