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Osaka-shi weather
Osaka-shi (Osaka)
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Weather in Osaka-shi for September 2025

Your guide to Osaka-shi weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Osaka-shi has been nearly identical to the historical average, with a temperature of 31.2 °C (showing only a slight deviation of 0.5 °C).

  • The forecast for the next days in Osaka-shi predicts a temperature of 26.7 °C, which is cooler than the historical average.

  • In general, the average temperature in Osaka-shi at the beginning of September is 30.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.6 °C by the end of September.

    • Rain 🌧️

  • Osaka-shi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 146.4 mm.

    • More

  • Is September a good time to visit Osaka-shi? check out the best time to travel to Osaka-shi page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
5
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/22°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Osaka-shi Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
31°
2
Moderate or heavy rain shower
30°
3
Moderate or heavy rain shower
31°
4
Moderate or heavy rain shower
30°
5
Moderate or heavy rain shower
31°
6
Patchy rain possible
31°
7
Patchy rain possible
30°
8
Patchy rain possible
30°
9
Patchy rain possible
31°
10
Overcast
32°
11
Moderate or heavy rain shower
30°
12
Patchy rain possible
31°
13
Patchy rain possible
31°
14
Light rain shower
31°
15
Patchy rain possible
29°
16
Patchy rain possible
34°
17
Patchy rain possible
32°
18
Moderate rain
32°
19
Moderate rain
26°
20
Moderate rain
25°
21
Moderate rain
28°
22
Patchy rain possible
24°
23
Moderate rain
22°
24
Patchy rain possible
22°
25
Heavy rain
25°
26
Partly cloudy
27°
27
Patchy rain possible
27°
28
Patchy rain possible
28°
29
Moderate rain
22°
30
Partly cloudy
28°

Temperatures trend during September in Osaka-shi

See the weather trend as well as the moving average line

September weather in Osaka-shi day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 5.2 mm 7
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 7.7 mm 7
3 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /23° 4.5 mm 7
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 8.6 mm 6
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /23° 8.7 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 31° /23° 1.1 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 30° /22° 0.6 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 30° /23° 3.9 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 18.5 mm 7
10 Sept. Overcast
Overcast
 32° /23° 10 mm 7
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 8.6 mm 6
12 Sept. Patchy rain possible
Patchy rain possible
 31° /23° 4.9 mm 7
13 Sept. Patchy rain possible
Patchy rain possible
 31° /23° 0.3 mm 7
14 Sept. Light rain shower
Light rain shower
 31° /23° 4.3 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 2.6 mm 7
16 Sept. Patchy rain possible
Patchy rain possible
 34° /26° 4.7 mm 1.9
17 Sept. Patchy rain possible
Patchy rain possible
 32° /27° 2.4 mm 1.9
18 Sept. Moderate rain
Moderate rain
 32° /24° 6.4 mm 1.6
19 Sept. Moderate rain
Moderate rain
 26° /20° 10.1 mm 1.4
20 Sept. Moderate rain
Moderate rain
 25° /20° 9.6 mm 5
21 Sept. Moderate rain
Moderate rain
 28° /22° 11.8 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 24° /22° 0.8 mm 5
23 Sept. Moderate rain
Moderate rain
 22° /21° 10 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 3.4 mm 5
25 Sept. Heavy rain
Heavy rain
 25° /22° 20.9 mm 5
26 Sept. Partly cloudy
Partly cloudy
 27° /21° 0.1 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
 27° /22° 4 mm 5
28 Sept. Patchy rain possible
Patchy rain possible
 28° /23° 1 mm 6
29 Sept. Moderate rain
Moderate rain
 22° /22° 5.8 mm 5
30 Sept. Partly cloudy
Partly cloudy
 28° /20° 0.1 mm 7
Next
Important Notice
Our weather forecast for Osaka-shi in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Osaka-shi forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Osaka-shi weather in September vs August vs October

Compare September weather in Osaka-shi with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures32°/25°29°/22°23°/16°
Rainfall224 mm146 mm99 mm
Wind15.5 km/h13.5 km/h15 km/h
Humidity69%70%64%
Rainy days28 days25 days23 days
Dry days3 days5 days8 days

Planning a trip to Osaka-shi? Discover the best time to visit

Osaka-shi in September - FAQ

What are the expected maximum and minimum temperatures in Osaka-shi during September?
During September, expect a variety of temperatures with highs around 29° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Osaka-shi during September?
Significant rainfall exceeding 146.4 mm is expected in Osaka-shi during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Osaka-shi during September?
The average wind speed in Osaka-shi during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Osaka-shi in September?

As you prepare for your trip to Osaka-shi in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Osaka-shi, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Osaka-shi

Explore the daily rainfall trends and prepare for Osaka-shis September weather 💧

UV exposure in Osaka-shi during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Osaka-shi?

Get accurate weather forecasts for Osaka-shi, located at latitude 34.694 and longitude 135.502. Stay updated with localized weather information tailored for Osaka-shi.

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