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Tokyo Weather in September
Late summer · Typhoon riskWeather in Tokyo during September is typically warm in the daytime and mild to warm after sunset, based on 2016–2025 averages of 28°C (82°F) / 21°C (70°F). Rain is fairly common, with about 16 days reaching at least 1 mm of precipitation and roughly 208 mm for the month.
Avg high82.1°F 27.8°CAvg low69.9°F 21.1°CRainy days~15.5 daysMonthly rain207.8 mm
🧳 Packing guide
What to wear in Tokyo in September
For what to wear in Tokyo in September, light daytime clothing is usually comfortable, with one light layer for strong air-conditioning or late evenings. A compact rain shell is useful, and the latest typhoon and transport updates matter more than long-range averages close to departure.
Travel takeaway: This can still be a rewarding time to visit, but keep outdoor plans flexible and recheck the short-range forecast before travel.
🗓️ Travel timing at a glance
Tokyo: 12-month travel weather
Tokyo has four distinct seasons. Early summer is wetter, July–August can be hot and humid, and late summer can be affected by typhoons.
JanWinterFebWinterMarEarly springAprSpringMaySpringJunRainy seasonJulRainy season · SummerAugMidsummer · Typhoon riskSepLate summer · Typhoon riskOctAutumnNovLate autumnDecWinter
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Tokyo 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure period
New Year holiday period
📅 Late December–early January
Some shops close for several days or reduce opening hours, while transport and accommodation demand can rise.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Tokyo in September · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ September 2025 · latest complete year☔ 15 days · 228.1 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
35.8°C/27.7°C
No rain
2
36.6°C/27.1°C
No rain
3
36.5°C/28°C
No rain
4
29.1°C/25.2°C
🌧️ 6.3 mm
5
25.7°C/23.6°C
🌧️ 77.9 mm
6
30°C/23.3°C
No rain
7
30.7°C/23.9°C
No rain
8
33.1°C/23.9°C
🌧️ 1.1 mm
9
32.6°C/25.9°C
No rain
10
33.1°C/25.5°C
🌧️ 4.1 mm
11
31.9°C/23.5°C
🌧️ 26 mm
12
28.6°C/22.4°C
🌧️ 19.4 mm
13
28.5°C/22.8°C
🌧️ 13.9 mm
14
31.5°C/26.1°C
No rain
15
30.3°C/24.6°C
No rain
16
31.8°C/24.3°C
🌧️ 4.9 mm
17
33.8°C/24.9°C
No rain
18
36.5°C/23.9°C
🌧️ 7.8 mm
19
24.5°C/20.6°C
🌧️ 16.7 mm
20
28.1°C/20.8°C
🌧️ 1.9 mm
21
29.5°C/20.4°C
🌧️ 17.4 mm
22
25.5°C/19.4°C
No rain
23
24.2°C/17.1°C
No rain
24
26.4°C/17°C
No rain
25
28.3°C/18.1°C
No rain
26
32.2°C/21.8°C
🌧️ 4.6 mm
27
27.5°C/21.4°C
🌧️ 15.7 mm
28
28°C/20.8°C
No rain
29
32°C/23.7°C
No rain
30
28°C/20.4°C
🌧️ 7.4 mm
September 2024☔ 13 days · 145.3 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
29.8°C/24.5°C
🌧️ 31.3 mm
2
31.3°C/25.9°C
No rain
3
26.6°C/22.5°C
🌧️ 32.2 mm
4
28.1°C/21.9°C
🌧️ 2 mm
5
29.7°C/21.9°C
No rain
6
31.7°C/23°C
No rain
7
31.4°C/24°C
No rain
8
32.3°C/23.9°C
🌧️ 1.4 mm
9
32°C/23.3°C
🌧️ 3.1 mm
10
31.8°C/23.2°C
🌧️ 1.1 mm
11
32.2°C/24.1°C
No rain
12
32.4°C/24.7°C
No rain
13
32.5°C/25.4°C
No rain
14
33.2°C/24.9°C
No rain
15
33.7°C/25.9°C
🌧️ 21 mm
16
30.6°C/23.5°C
🌧️ 23.2 mm
17
32.7°C/22.7°C
No rain
18
35.3°C/25.5°C
🌧️ 5.3 mm
19
32.5°C/25.4°C
No rain
20
33.4°C/25.4°C
No rain
21
31.8°C/24°C
No rain
22
28.8°C/22.7°C
🌧️ 1.8 mm
23
26.3°C/18.9°C
🌧️ 2.8 mm
24
24°C/16.7°C
No rain
25
23.3°C/16.1°C
No rain
26
28.1°C/20.6°C
No rain
27
24.9°C/21.4°C
🌧️ 17.3 mm
28
27.1°C/21.8°C
No rain
29
25.1°C/20.5°C
No rain
30
25.3°C/19.4°C
🌧️ 1.1 mm
September 2023☔ 12 days · 208.4 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
34°C/25.3°C
No rain
2
35.6°C/25.1°C
No rain
3
35.2°C/25.3°C
🌧️ 15.1 mm
4
29.6°C/24.3°C
🌧️ 31.7 mm
5
32°C/25.1°C
No rain
6
31.8°C/24.2°C
🌧️ 2 mm
7
29.9°C/23.6°C
🌧️ 3.5 mm
8
24.8°C/21.2°C
🌧️ 75.2 mm
9
29°C/21.8°C
No rain
10
31.3°C/23.3°C
No rain
11
31.1°C/24.5°C
No rain
12
30°C/24°C
No rain
13
31.5°C/21.8°C
No rain
14
31.3°C/23.9°C
No rain
15
33°C/24.7°C
🌧️ 4.2 mm
16
31.5°C/24.9°C
No rain
17
32°C/24.7°C
No rain
18
31.8°C/24.9°C
No rain
19
32.4°C/23°C
No rain
20
32.4°C/23.9°C
🌧️ 14.9 mm
21
28.9°C/22.7°C
🌧️ 1.1 mm
22
30.4°C/22.6°C
🌧️ 33.4 mm
23
25.2°C/20.9°C
🌧️ 14.5 mm
24
25.6°C/18.4°C
No rain
25
26.4°C/16.5°C
No rain
26
28.2°C/18.6°C
No rain
27
28.5°C/21°C
No rain
28
31.1°C/21.5°C
No rain
29
28.6°C/22.9°C
🌧️ 9 mm
30
27.7°C/20.4°C
🌧️ 1 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Tokyo weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Tokyo weather in other months
Switch months to compare the seasonal pattern.