Osaka
September
Weather in Osaka for September 2025
Your guide to Osaka weather in September - trends and predictions
In general, the average temperature in Osaka at the beginning of September is 30.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28 °C by the end of September.
Osaka experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 146.4 mm.
Is September a good time to visit Osaka? check out the best time to travel to Osaka page.
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Temperatures
Rain 🌧️
More
5
Dry days
25
Rainy days
0
Snow days
29°/22°
Temperatures
14 km/h
Avg max wind
70 %
Avg humidity
Osaka Weather September
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Temperatures trend during September in Osaka
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September weather in Osaka day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 31° /23° | 6.4 mm | 7 | |
| 2 Sept. |  Moderate or heavy rain shower | 30° /23° | 9.6 mm | 7 | |
| 3 Sept. | Moderate or heavy rain shower | 31° /23° | 5.3 mm | 7 | |
| 4 Sept. | Moderate or heavy rain shower | 31° /23° | 3.8 mm | 7 | |
| 5 Sept. | Patchy rain possible | 32° /23° | 2.3 mm | 7 | |
| 6 Sept. | Patchy rain possible | 31° /23° | 1.4 mm | 7 | |
| 7 Sept. | Patchy rain possible | 30° /22° | 0.8 mm | 7 | |
| 8 Sept. | Moderate rain at times | 29° /23° | 4.7 mm | 6 | |
| 9 Sept. | Patchy rain possible | 31° /23° | 23.1 mm | 7 | |
| 10 Sept. |  Overcast | 31° /22° | 11.9 mm | 7 | |
| 11 Sept. | Moderate rain at times | 31° /23° | 3.9 mm | 7 | |
| 12 Sept. | Patchy rain possible | 30° /23° | 4.4 mm | 7 | |
| 13 Sept. |  Partly cloudy | 31° /23° | 0.3 mm | 7 | |
| 14 Sept. | Partly cloudy | 31° /23° | 4.3 mm | 7 | |
| 15 Sept. | Patchy rain possible | 29° /23° | 2.6 mm | 7 | |
| 16 Sept. | Patchy rain possible | 31° /22° | 1.8 mm | 7 | |
| 17 Sept. | Patchy rain possible | 29° /24° | 4.4 mm | 6 | |
| 18 Sept. | Patchy rain possible | 31° /24° | 9.9 mm | 7 | |
| 19 Sept. |  Cloudy | 31° /24° | 6.2 mm | 7 | |
| 20 Sept. | Patchy rain possible | 29° /21° | 3.7 mm | 7 | |
| 21 Sept. | Patchy rain possible | 29° /21° | 3.2 mm | 7 | |
| 22 Sept. | Light rain shower | 26° /21° | 10.6 mm | 6 | |
| 23 Sept. |  Sunny | 27° /20° | 10.5 mm | 6 | |
| 24 Sept. | Overcast | 27° /19° | 0.2 mm | 6 | |
| 25 Sept. | Sunny | 29° /18° | 0.1 mm | 7 | |
| 26 Sept. |  Heavy rain at times | 28° /20° | 1.9 mm | 6 | |
| 27 Sept. | Patchy rain possible | 29° /20° | 4.6 mm | 7 | |
| 28 Sept. | Light rain shower | 27° /20° | 3.2 mm | 6 | |
| 29 Sept. | Moderate rain at times | 28° /20° | 0.9 mm | 7 | |
| 30 Sept. | Partly cloudy | 28° /20° | 0.1 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Osaka 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 forecast closer to your planned date for the most up-to-date weather information.
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Osaka in September - FAQ
What are the expected maximum and minimum temperatures in Osaka 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 during September?
Significant rainfall exceeding 146.4 mm is expected in Osaka 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 during September?
The average wind speed in Osaka during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Osaka in September?
As you prepare for your trip to Osaka 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, 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
Explore the daily rainfall trends and prepare for Osakas September weather 💧
UV exposure in Osaka during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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