Osaka-shi (Osaka)
September
Weather in Osaka-shi for September 2026
Your guide to Osaka-shi weather in September - trends and predictions
In general, the average temperature in Osaka-shi at the beginning of September is 30.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.7 °C by the end of September.
Osaka-shi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 146.4 mm.
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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-shi Weather September
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 31° /24° | 5.2 mm | 7 | |
| 2 Sept. |  Moderate or heavy rain shower | 30° /23° | 7.7 mm | 7 | |
| 3 Sept. | Moderate or heavy rain shower | 31° /23° | 4.5 mm | 7 | |
| 4 Sept. | Moderate or heavy rain shower | 30° /23° | 8.6 mm | 6 | |
| 5 Sept. | Moderate or heavy rain shower | 31° /23° | 8.7 mm | 7 | |
| 6 Sept. | Patchy rain possible | 31° /23° | 1.1 mm | 7 | |
| 7 Sept. | Patchy rain possible | 30° /22° | 0.6 mm | 7 | |
| 8 Sept. | Patchy rain possible | 30° /23° | 3.9 mm | 6 | |
| 9 Sept. | Patchy rain possible | 31° /24° | 18.5 mm | 7 | |
| 10 Sept. |  Overcast | 32° /23° | 10 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 30° /23° | 8.6 mm | 6 | |
| 12 Sept. | Patchy rain possible | 31° /23° | 4.9 mm | 7 | |
| 13 Sept. | Patchy rain possible | 31° /23° | 0.3 mm | 7 | |
| 14 Sept. | Light rain shower | 31° /23° | 4.3 mm | 7 | |
| 15 Sept. | Patchy rain possible | 30° /23° | 2.7 mm | 7 | |
| 16 Sept. | Patchy rain possible | 31° /23° | 1.6 mm | 7 | |
| 17 Sept. | Patchy rain possible | 30° /24° | 3.6 mm | 6 | |
| 18 Sept. | Patchy rain possible | 31° /24° | 9.2 mm | 7 | |
| 19 Sept. |  Partly cloudy | 31° /24° | 5 mm | 7 | |
| 20 Sept. | Patchy rain possible | 30° /22° | 4 mm | 7 | |
| 21 Sept. | Patchy rain possible | 29° /21° | 5.2 mm | 6 | |
| 22 Sept. | Light rain shower | 26° /21° | 8.4 mm | 6 | |
| 23 Sept. |  Sunny | 27° /20° | 8.4 mm | 6 | |
| 24 Sept. | Overcast | 27° /19° | 0.2 mm | 6 | |
| 25 Sept. | Sunny | 28° /19° | 0.1 mm | 7 | |
| 26 Sept. | Patchy rain possible | 28° /20° | 1.7 mm | 6 | |
| 27 Sept. | Patchy rain possible | 29° /20° | 3.7 mm | 6 | |
| 28 Sept. | Light rain shower | 27° /20° | 2.6 mm | 6 | |
| 29 Sept. | Moderate rain at times | 27° /20° | 2.1 mm | 6 | |
| 30 Sept. | Partly cloudy | 28° /20° | 0.1 mm | 6 | |
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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
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.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 32°/25° | 29°/22° | 23°/16° |
| Rainfall | 224 mm | 146 mm | 99 mm |
| Wind | 15.5 km/h | 13.5 km/h | 15 km/h |
| Humidity | 69% | 70% | 64% |
| Rainy days | 28 days | 25 days | 23 days |
| Dry days | 3 days | 5 days | 8 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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