Tokyo weather in September
Tokyo in September averages 24°C (76°F), 221 mm of rain and 4.4 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Tokyo, September is the third warmest, the second wettest and the third dullest.
- Average temp
- 24°C (76°F)
21–28°C · 70–82°F
- Rainfall
- 221 mm
A wet month
- Sunshine
- 4.4 h
hours per day
What is Tokyo like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings stay warm.
What should I pack for Tokyo in September?
A proper waterproof, not a folding umbrella
221 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
September compared with August and October
September in Tokyo is 3.7°C cooler than August and 66 mm wetter than it, which averages 28°C (83°F).
September in Tokyo is 5.4°C warmer than October and 16 mm drier than it, which averages 19°C (66°F).
Daylight in Tokyo in September
On 15 September the sun is up for 12 hours 25 minutes in Tokyo, rising about 05:24 and setting about 17:48 local time.
September ends 1 hour 4 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 9 minutes short of June, the longest-lit month here.
Where to stay in Tokyo
Dates are a starting point for September.
Travel guides for Tokyo
What to read before you book.
Tokyo weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 43°F | 60 mm |
| February | 7°C / 44°F | 57 mm |
| March | 10°C / 50°F | 117 mm |
| April | 15°C / 59°F | 134 mm |
| May | 20°C / 67°F | 140 mm |
| June | 23°C / 73°F | 168 mm |
| July | 27°C / 80°F | 157 mm |
| August | 28°C / 83°F | 155 mm |
| September | 24°C / 76°F | 221 mm |
| October | 19°C / 66°F | 237 mm |
| November | 14°C / 57°F | 97 mm |
| December | 9°C / 48°F | 58 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Tokyo in September
September climate averages for Tokyo, 1991–2020.
Tokyo averages 24°C (76°F) in September, ranging from about 21°C (70°F) at night to 28°C (82°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. September brings about 221 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
Yes. September averages 24°C (76°F) against 19°C (66°F) in October — 5.4°C warmer.
September is 3.7°C cooler than August, and 66 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 4.4 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 25 minutes of daylight in mid-September, against 14 hours 34 minutes in June and 9 hours 46 minutes in December.
On 15 September, sunrise is about 05:24 and sunset about 17:48 local time. Both shift across the month — the month ends 1 hour 4 minutes shorter than it starts.
