Weather in Kōchi Shi for September 2026
Until now, September 2026 in Kōchi Shi has been significantly cooler than historical averages by 2 °C, with average temperature of 26.7 °C.
Expect cooler weather in the next days in Kōchi Shi with the forecast suggesting a temperature of 26.6 °C, lower than the historical average.
In general, the average temperature in Kōchi Shi at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.7 °C by the end of September.
Kōchi Shi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 173.5 mm.
Is September a good time to visit Kōchi Shi? check out the best time to travel to Kōchi Shi page.
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Kōchi Shi Weather September
Temperatures trend during September in Kōchi Shi
September weather in Kōchi Shi day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 30° /24° | 0.6 mm | 7 | |
| 2 Sept. | Patchy rain possible | 30° /23° | 3.3 mm | 6 | |
| 3 Sept. |  Moderate rain at times | 29° /22° | 4.4 mm | 5 | |
| 4 Sept. | Patchy rain possible | 27° /21° | 48.5 mm | 4 | |
| 5 Sept. | Patchy rain possible | 28° /21° | 6.9 mm | 5 | |
| 6 Sept. | Light rain shower | 28° /22° | 15.1 mm | 5 | |
| 7 Sept. | Patchy rain possible | 29° /22° | 0.8 mm | 5 | |
| 8 Sept. | Patchy rain possible | 30° /22° | 5 mm | 5 | |
| 9 Sept. | Patchy rain possible | 29° /23° | 27.4 mm | 5 | |
| 10 Sept. | Patchy rain possible | 28° /22° | 6.9 mm | 4 | |
| 11 Sept. | Patchy rain possible | 28° /22° | 17.4 mm | 5 | |
| 12 Sept. | Patchy rain possible | 29° /22° | 4.5 mm | 7 | |
| 13 Sept. | Patchy rain possible | 28° /24° | 1.3 mm | 7.6 | |
| 14 Sept. | Patchy rain possible | 27° /23° | 5 mm | 8.6 | |
| 15 Sept. | Patchy rain possible | 26° /22° | 6.6 mm | 7.4 | |
| 16 Sept. | Light rain shower | 26° /22° | 6.3 mm | 7.4 | |
| 17 Sept. | Patchy rain possible | 26° /22° | 9.4 mm | 7.4 | |
| 18 Sept. | Patchy rain possible | 27° /23° | 2.6 mm | 6 | |
| 19 Sept. | Patchy rain possible | 28° /22° | 2.1 mm | 7 | |
| 20 Sept. | Patchy rain possible | 26° /23° | 3.6 mm | 6 | |
| 21 Sept. | Light rain shower | 26° /24° | 28.5 mm | 6 | |
| 22 Sept. | Patchy rain possible | 26° /23° | 40.2 mm | 6 | |
| 23 Sept. | Patchy rain possible | 26° /21° | 17.1 mm | 7 | |
| 24 Sept. | Patchy rain possible | 29° /21° | 2.2 mm | 7 | |
| 25 Sept. |  Sunny | 27° /19° | 0 mm | 7 | |
| 26 Sept. |  Overcast | 25° /19° | 0 mm | 6 | |
| 27 Sept. | Light rain shower | 27° /20° | 0.9 mm | 6 | |
| 28 Sept. | Light rain shower | 26° /21° | 2.8 mm | 6 | |
| 29 Sept. | Patchy rain possible | 27° /20° | 1.6 mm | 6 | |
| 30 Sept. | Patchy rain possible | 26° /18° | 1.3 mm | 6 | |
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Kōchi Shi weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 30°/23° | 28°/22° | 24°/17° |
| Rainfall | 283 mm | 173 mm | 113 mm |
| Wind | 12.5 km/h | 10.9 km/h | 11 km/h |
| Humidity | 80% | 81% | 77% |
| Rainy days | 28 days | 23 days | 22 days |
| Dry days | 3 days | 7 days | 9 days |
Planning a trip to Kōchi Shi? Discover the best time to visit
Kōchi Shi in September - FAQ
What are the expected maximum and minimum temperatures in Kōchi Shi during September?
How much rainfall should be expected in Kōchi Shi during September?
What are the typical wind conditions in Kōchi Shi during September?
September rainfall patterns in Kōchi Shi
UV exposure in Kōchi Shi during September
What to pack to Kōchi Shi in September?
Warm & sunny · highs around 28 °C, frequent showers
As you prepare for your trip to Kōchi 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 Kōchi Shi, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Kōchi Shi?Get accurate weather forecasts for Kōchi Shi, located at latitude 33.55 and longitude 133.533. Stay updated with localized weather information tailored for Kōchi Shi.