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Kōchi Shi (Kochi)
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Weather in Kōchi Shi for September 2025

Your guide to Kōchi Shi weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Kōchi Shi has been nearly identical to the historical average, with a temperature of 28.8 °C (showing only a slight deviation of -0.5 °C).

  • Expect cooler weather in the next days in Kōchi Shi with the forecast suggesting a temperature of 27.4 °C, lower than the historical average.

  • In general, the average temperature in Kōchi Shi at the beginning of September is 29.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.9 °C by the end of September.

    • Rain 🌧️

  • Kōchi Shi in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 130.1 mm.

    • More

  • Is September a good time to visit Kōchi Shi? check out the best time to travel to Kōchi Shi page.

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

Average dry days
14
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/22°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Kōchi Shi Weather September

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

Temperatures trend during September in Kōchi Shi

See the weather trend as well as the moving average line

September weather in Kōchi Shi day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 30° /23° 0.5 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 30° /22° 2.8 mm 7
3 Sept. Moderate rain at times
Moderate rain at times
 30° /22° 2.4 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
 27° /22° 38.7 mm 6
5 Sept. Patchy rain possible
Patchy rain possible
 30° /22° 8.6 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 30° /22° 0.9 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 30° /21° 0.4 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 31° /22° 0.2 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
 30° /23° 0.8 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 6.3 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 27° /22° 21.6 mm 6
12 Sept. Patchy rain possible
Patchy rain possible
 29° /22° 4.5 mm 7
13 Sept. Patchy rain possible
Patchy rain possible
 28° /22° 4.4 mm 6
14 Sept. Light rain shower
Light rain shower
 30° /23° 4.9 mm 7
15 Sept. Moderate rain
Moderate rain
 30° /24° 6 mm 2
16 Sept. Moderate rain
Moderate rain
 30° /24° 5.3 mm 2
17 Sept. Moderate rain
Moderate rain
 30° /23° 6.3 mm 2
18 Sept. Patchy rain possible
Patchy rain possible
 30° /23° 4.7 mm 1.8
19 Sept. Moderate rain
Moderate rain
 29° /23° 5.7 mm 1.8
20 Sept. Patchy rain possible
Patchy rain possible
 25° /23° 2.6 mm 5
21 Sept. Patchy rain possible
Patchy rain possible
 26° /22° 3.2 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 27° /21° 2.1 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 27° /21° 0.6 mm 5
24 Sept. Moderate rain
Moderate rain
 24° /23° 5.3 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 25° /22° 2.4 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 26° /22° 2.4 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
 28° /21° 0.5 mm 5
28 Sept. Patchy rain possible
Patchy rain possible
 26° /23° 0.3 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 26° /21° 0 mm 6
30 Sept. Patchy rain possible
Patchy rain possible
 26° /20° 2.7 mm 6
Next
Important Notice
Our weather forecast for Kōchi 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 Kōchi Shi forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Kōchi Shi weather in September vs August vs October

Compare September weather in Kōchi 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
Temperatures30°/24°28°/22°24°/17°
Rainfall343 mm130 mm119 mm
Wind13.3 km/h11 km/h12 km/h
Humidity79%79%78%
Rainy days21 days16 days20 days
Dry days10 days14 days11 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?
During September, expect a variety of temperatures with highs around 28° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kōchi Shi during September?
Significant rainfall exceeding 130.1 mm is expected in Kōchi Shi during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kōchi Shi during September?
The average wind speed in Kōchi Shi during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Kōchi Shi in September?

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
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • 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 Kōchi Shi

Explore the daily rainfall trends and prepare for Kōchi Shis September weather 💧

UV exposure in Kōchi 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 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.

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