Weather in Sendai in September
In an average September, Sendai sees a daily high around 24°C and a low around 18°C, based on 1980–2026 of local climate records.
| Average high | 24°C |
|---|---|
| Typical high range | 20°C to 28°C |
| Average low | 18°C |
| Typical low range | 14°C to 22°C |
| Average daily precipitation | 8 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
34°C
2025-09-02
Lowest
14°C
2003-09-21
Low
Highest
26°C
2000-09-01
Lowest
7°C
2001-09-21
Feels-like
Highest
50°C
2025-09-02
Lowest
3°C
1981-09-29
Humidity
Highest
23.6 g/m³
2020-09-03
Lowest
6.5 g/m³
1992-09-27
Wind
Highest
47 km/h
2007-09-07
Lowest
4 km/h
1981-09-23
Gust
Highest
129 km/h
1998-09-16
Lowest
13 km/h
1980-09-08
Precip
Wettest
344 mm
1994
Driest
40 mm
2009
See Sendai's live weather grade →
Visiting Sendai in September? See how its comfort stacks up against where you live.
Compare Sendai with your city →