Japan (Tokyo) · September
Low seasonJapan · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 10° | 11° | 14° | 19° | 23° | 25° | 29° | 31° | 27° | 22° | 17° | 12° |
MINMIN | -1° | 1° | 4° | 9° | 14° | 18° | 22° | 24° | 21° | 15° | 8° | 2° |
☀️Sunshine | 7h | 7h | 7h | 7h | 8h | 7h | 7h | 8h | 6h | 5h | 5h | 6h |
🌊Water Temp | 14° | 13° | 14° | 16° | 18° | 20° | 22° | 25° | 25° | 22° | 19° | 16° |
🌧Rain Days | 5d73mm | 6d80mm | 8d116mm | 9d132mm | 10d139mm | 10d169mm | 8d137mm | 8d131mm | 10d202mm | 11d230mm | 8d100mm | 5d75mm |
Best travel time current monthMonthly averages 2005–2025 · Source: ERA5 + station data
Post-season — prices falling after the travel period, beaches and attractions quieter.
September in Japan (Tokyo) is generally manageable, but with 10 rain days it's not a reliably sunny month. Better conditions can be found in May, July, and August.
Daytime temperatures reach up to 27°C, cooling to 20°C at night (daily average: 23°C). With 5 sunshine hours per day and 10 rain days (202 mm), this is one of the cloudier months. Sea temperature is 24°C — pleasantly warm for long swim sessions.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed at this time of year without the heat.
Momiji-Herbst: Das Laub der Ahornbäume färbt sich rot-orange — in Nikko und im Shinjuku Gyoen ein Spektakel. Temperaturen ideal, Luft klar, der Fuji wieder sichtbar.
Packing list for Japan (Tokyo) in September
- T-Shirts und kurze Hosen
- Badezeug und Strandtuch
- Sonnencreme
- Sonnenbrille
- Leichter Regenschirm oder Regenponcho
- Insektenschutzmittel
- Reiseapotheke
Frequently Asked Questions
- Is September a good time to visit Japan (Tokyo)?
- September is not an optimal month for Japan (Tokyo) (Score: 60/100), but it is manageable. For better conditions, consider May, July, and August.
- How warm is it in Japan (Tokyo) in September?
- In September, Japan (Tokyo) sees daily highs of 27°C. Nights cool to 20°C, with a daily average of 23°C.
- How much rain falls in Japan (Tokyo) in September?
- In September, Japan (Tokyo) receives an average of 202 mm of rain over 10 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Japan (Tokyo) get in September?
- Japan (Tokyo) averages 5 sunshine hours per day in September — below the annual average.
- How warm is the water in Japan (Tokyo) in September?
- Water temperature in Japan (Tokyo) in September averages 24°C — pleasantly warm for swim sessions.
