Okayama
September
Weather in Okayama for September 2025
Your guide to Okayama weather in September - trends and predictions
In general, the average temperature in Okayama at the beginning of September is 29.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.9 °C by the end of September.
The climate of Okayama in September is notably wet, with an average of 12 rainy days.
Is September a good time to visit Okayama? check out the best time to travel to Okayama page.
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18
Dry days
12
Rainy days
0
Snow days
29°/23°
Temperatures
12 km/h
Avg max wind
74 %
Avg humidity
Okayama in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  30° | 3 29° | 4  30° | 5  29° | 6 30° | 7 31° |
| 8 31° | 9 31° | 10  31° | 11 28° | 12 31° | 13 31° | 14  31° |
| 15 28° | 16 31° | 17 31° | 18 31° | 19 30° | 20 30° | 21  30° |
| 22 26° | 23 27° | 24  27° | 25 27° | 26 28° | 27 29° | 28 28° |
| 29 28° | 30 28° |
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Temperatures trend during September in Okayama
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Thundery outbreaks possible | 29° /25° | 2.2 mm | 6 | |
| 2 Sept. | Patchy rain possible | 30° /24° | 0.2 mm | 7 | |
| 3 Sept. | Patchy rain possible | 29° /24° | 2.5 mm | 6 | |
| 4 Sept. | Sunny | 30° /22° | 0 mm | 8 | |
| 5 Sept. | Partly cloudy | 29° /23° | 0 mm | 7 | |
| 6 Sept. | Sunny | 30° /24° | 0 mm | 8 | |
| 7 Sept. | Sunny | 31° /24° | 0 mm | 8 | |
| 8 Sept. | Patchy rain possible | 31° /25° | 0.1 mm | 7 | |
| 9 Sept. | Partly cloudy | 31° /23° | 0.9 mm | 7 | |
| 10 Sept. | Moderate or heavy rain shower | 31° /24° | 4.7 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 28° /24° | 10.8 mm | 6 | |
| 12 Sept. | Partly cloudy | 31° /23° | 0.4 mm | 7 | |
| 13 Sept. | Partly cloudy | 31° /24° | 0.4 mm | 7 | |
| 14 Sept. | Cloudy | 31° /24° | 0.1 mm | 8 | |
| 15 Sept. | Partly cloudy | 28° /24° | 5.1 mm | 7 | |
| 16 Sept. | Partly cloudy | 31° /25° | 2.7 mm | 8 | |
| 17 Sept. | Patchy rain possible | 31° /25° | 0.2 mm | 7 | |
| 18 Sept. | Patchy rain possible | 31° /24° | 0.9 mm | 7 | |
| 19 Sept. | Patchy rain possible | 30° /25° | 0.6 mm | 7 | |
| 20 Sept. | Light rain shower | 30° /25° | 0.7 mm | 7 | |
| 21 Sept. | Heavy rain | 30° /25° | 13.3 mm | 7 | |
| 22 Sept. | Light rain shower | 26° /21° | 2.2 mm | 6 | |
| 23 Sept. | Light rain shower | 27° /20° | 0.8 mm | 6 | |
| 24 Sept. | Overcast | 27° /19° | 0 mm | 6 | |
| 25 Sept. | Sunny | 27° /20° | 0 mm | 7 | |
| 26 Sept. | Patchy rain possible | 28° /21° | 0.1 mm | 7 | |
| 27 Sept. | Patchy rain possible | 29° /23° | 0.4 mm | 6 | |
| 28 Sept. | Light rain shower | 28° /22° | 0.4 mm | 6 | |
| 29 Sept. | Sunny | 28° /21° | 0 mm | 7 | |
| 30 Sept. | Cloudy | 28° /21° | 0.7 mm | 6 | |
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Important Notice
Our weather forecast for Okayama 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 Okayama forecast closer to your planned date for the most up-to-date weather information.
Okayama in September - FAQ
What are the expected maximum and minimum temperatures in Okayama during September?
During September, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Okayama during September?
Moderate rainfall is anticipated in Okayama during September, with a total of 71.9 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Okayama during September?
The average wind speed in Okayama during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Okayama in September?
As you prepare for your trip to Okayama 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 Okayama, 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 Okayama
Explore the daily rainfall trends and prepare for Okayamas September weather 💧
UV exposure in Okayama during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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