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Tenjin Matsuri
📅 Jul 24–25 each year
One of Osaka’s signature summer festivals, with traditional processions, a boat procession on the Okawa River and evening fireworks.
Check official source →🇯🇵 Japan · Osaka
Osaka Weather in September
Late summer · Typhoon riskSeptember in Osaka is usually hot by day and mild to warm at night, with 2016–2025 average highs around 29°C (85°F) and lows near 22°C (72°F). Rain is fairly common, with about 15 days reaching at least 1 mm of precipitation and roughly 213 mm for the month.
Avg high84.8°F 29.3°CAvg low71.7°F 22.1°CRainy days~14.7 daysMonthly rain212.5 mm
🧳 Packing guide
What to wear in Osaka in September
For what to wear in Osaka in September, light, breathable clothes work best, with sun protection for long outdoor days. 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
Osaka: 12-month travel weather
Osaka has four distinct seasons, a wetter early-summer period and hot, humid midsummer weather. Typhoon impacts are possible in late summer.
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
Osaka 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.
Osaka 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☔ 16 days · 211.7 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
35.1°C/28.8°C
No rain
2
34.9°C/28°C
No rain
3
36.7°C/27.4°C
🌧️ 2.4 mm
4
31.1°C/25.2°C
🌧️ 18.2 mm
5
31.3°C/24.8°C
🌧️ 57.3 mm
6
31.6°C/23.9°C
No rain
7
31.3°C/23.6°C
No rain
8
31.4°C/26.5°C
No rain
9
33.2°C/26.4°C
No rain
10
33.2°C/25.8°C
🌧️ 12.1 mm
11
29.9°C/24°C
🌧️ 29.8 mm
12
31.3°C/23.1°C
🌧️ 8 mm
13
30.1°C/24.4°C
🌧️ 7.7 mm
14
31.3°C/27.3°C
No rain
15
31.8°C/25.1°C
🌧️ 1.8 mm
16
33°C/25.6°C
No rain
17
33.1°C/26.2°C
🌧️ 8.2 mm
18
31.5°C/24.6°C
🌧️ 4.9 mm
19
31.1°C/22.4°C
No rain
20
29.9°C/24.1°C
🌧️ 7.4 mm
21
29.1°C/22.1°C
🌧️ 26.2 mm
22
28.4°C/19.1°C
No rain
23
28.7°C/20.9°C
No rain
24
29.2°C/22.8°C
No rain
25
28.5°C/22.5°C
🌧️ 6.5 mm
26
29.6°C/23°C
🌧️ 1.8 mm
27
29.7°C/20.8°C
No rain
28
31.8°C/19.1°C
🌧️ 5.3 mm
29
27.2°C/21.7°C
🌧️ 12.7 mm
30
26.6°C/18.6°C
No rain
September 2024☔ 12 days · 89.5 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
31.1°C/24.7°C
🌧️ 7.5 mm
2
32.2°C/25.7°C
No rain
3
30.6°C/24.4°C
🌧️ 1 mm
4
31.8°C/21.8°C
No rain
5
31.4°C/23.2°C
No rain
6
31.6°C/22.8°C
No rain
7
32.6°C/22.2°C
No rain
8
32.8°C/22.7°C
🌧️ 1.1 mm
9
35.1°C/25.2°C
🌧️ 1.9 mm
10
33.9°C/25.9°C
🌧️ 8.8 mm
11
33.2°C/25.5°C
No rain
12
33.8°C/25.3°C
🌧️ 1.5 mm
13
33.2°C/25.6°C
No rain
14
35.4°C/24.8°C
🌧️ 4.6 mm
15
31.7°C/26.6°C
🌧️ 2.2 mm
16
33.6°C/25.7°C
🌧️ 10.1 mm
17
32.1°C/26.4°C
🌧️ 1.9 mm
18
32.8°C/26°C
No rain
19
33.5°C/25.8°C
No rain
20
33.7°C/25°C
No rain
21
33.5°C/27.5°C
No rain
22
28.8°C/23.3°C
🌧️ 44.9 mm
23
27.9°C/20.8°C
No rain
24
30.1°C/19.5°C
No rain
25
29.8°C/20.2°C
No rain
26
31.6°C/20.2°C
No rain
27
31.8°C/24°C
No rain
28
30.8°C/22.7°C
No rain
29
28.4°C/22.4°C
🌧️ 2.4 mm
30
30°C/22.1°C
No rain
September 2023☔ 12 days · 106.1 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
33°C/23.6°C
No rain
2
32.5°C/23.6°C
No rain
3
36°C/24.2°C
No rain
4
35.5°C/26.1°C
🌧️ 1.6 mm
5
32.7°C/25.9°C
No rain
6
31.9°C/25.3°C
🌧️ 2.7 mm
7
31.8°C/23.1°C
No rain
8
31.1°C/23.2°C
🌧️ 7.6 mm
9
31.4°C/22.5°C
No rain
10
34.4°C/23.6°C
🌧️ 11.1 mm
11
29.4°C/24°C
🌧️ 13.6 mm
12
30.8°C/23.2°C
🌧️ 2.1 mm
13
30.4°C/23.5°C
No rain
14
30.6°C/23.1°C
No rain
15
32.6°C/24.3°C
No rain
16
32.6°C/24.3°C
No rain
17
32.3°C/23.6°C
🌧️ 11.4 mm
18
32.2°C/24.1°C
🌧️ 4 mm
19
32.8°C/23.6°C
No rain
20
32.8°C/24.1°C
🌧️ 4.7 mm
21
32°C/25.5°C
🌧️ 24.8 mm
22
28.5°C/23.6°C
🌧️ 2.4 mm
23
28.1°C/21.2°C
No rain
24
29.4°C/18.8°C
No rain
25
30.7°C/21°C
No rain
26
29.7°C/20.3°C
No rain
27
29.9°C/21.8°C
No rain
28
30.5°C/24°C
No rain
29
31.2°C/20.1°C
No rain
30
30.2°C/18.9°C
🌧️ 18.5 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 Osaka 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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Osaka weather in other months
Switch months to compare the seasonal pattern.