Weather in Chiba-shi for September 2026
Until now, September 2026 in Chiba-shi is cooler than usual, with temperatures averaging 24.9 °C, this is 3.5 °C below the typical seasonal average.
Expect cooler weather in the next days in Chiba-shi with the forecast suggesting a temperature of 24.9 °C, lower than the historical average.
In general, the average temperature in Chiba-shi at the beginning of September is 28.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.4 °C by the end of September.
Chiba-shi in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 151 mm.
Is September a good time to visit Chiba-shi? check out the best time to travel to Chiba-shi page.
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Chiba-shi Weather September
Temperatures trend during September in Chiba-shi
September weather in Chiba-shi day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 29° /24° | 3 mm | 6 | |
| 2 Sept. |  Partly cloudy | 30° /25° | 0 mm | 6 | |
| 3 Sept. |  Torrential rain shower | 29° /23° | 25.8 mm | 5 | |
| 4 Sept. | Light rain shower | 26° /23° | 11.8 mm | 4 | |
| 5 Sept. | Partly cloudy | 26° /22° | 23.2 mm | 5 | |
| 6 Sept. | Patchy rain possible | 28° /22° | 12.5 mm | 5 | |
| 7 Sept. | Patchy rain possible | 30° /23° | 20.2 mm | 5 | |
| 8 Sept. | Patchy rain possible | 30° /24° | 2 mm | 5 | |
| 9 Sept. | Light rain shower | 30° /24° | 7.1 mm | 5 | |
| 10 Sept. | Patchy rain possible | 27° /23° | 8.9 mm | 5 | |
| 11 Sept. |  Moderate or heavy rain shower | 27° /22° | 14.9 mm | 5 | |
| 12 Sept. | Patchy rain possible | 28° /24° | 5.4 mm | 7 | |
| 13 Sept. |  Light drizzle | 25° /21° | 3.1 mm | 6.7 | |
| 14 Sept. |  Sunny | 28° /24° | 0 mm | 8.2 | |
| 15 Sept. | Patchy rain possible | 27° /23° | 3.1 mm | 3.6 | |
| 16 Sept. | Light rain shower | 23° /22° | 7.6 mm | 0.9 | |
| 17 Sept. | Patchy rain possible | 23° /21° | 2.2 mm | 2.4 | |
| 18 Sept. | Patchy rain possible | 22° /20° | 2 mm | 5 | |
| 19 Sept. | Patchy rain possible | 25° /21° | 4 mm | 5 | |
| 20 Sept. | Light rain shower | 23° /21° | 34.1 mm | 5 | |
| 21 Sept. | Patchy rain possible | 26° /22° | 2.4 mm | 6 | |
| 22 Sept. |  Overcast | 26° /23° | 0.3 mm | 6 | |
| 23 Sept. | Overcast | 26° /23° | 10.8 mm | 6 | |
| 24 Sept. | Overcast | 28° /23° | 1.6 mm | 7 | |
| 25 Sept. | Light rain shower | 22° /18° | 17.3 mm | 5 | |
| 26 Sept. | Sunny | 25° /18° | 1.2 mm | 6 | |
| 27 Sept. | Patchy rain possible | 26° /22° | 3.9 mm | 6 | |
| 28 Sept. | Light rain shower | 26° /21° | 2.8 mm | 6 | |
| 29 Sept. | Light rain shower | 26° /21° | 4 mm | 6 | |
| 30 Sept. | Patchy rain possible | 25° /20° | 1.4 mm | 6 | |
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Chiba-shi weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 31°/25° | 28°/23° | 22°/17° |
| Rainfall | 157 mm | 151 mm | 116 mm |
| Wind | 19.7 km/h | 20.3 km/h | 19.7 km/h |
| Humidity | 73% | 74% | 73% |
| Rainy days | 18 days | 19 days | 18 days |
| Dry days | 13 days | 11 days | 13 days |
Planning a trip to Chiba-shi? Discover the best time to visit
Chiba-shi in September - FAQ
What are the expected maximum and minimum temperatures in Chiba-shi during September?
How much rainfall should be expected in Chiba-shi during September?
What are the typical wind conditions in Chiba-shi during September?
September rainfall patterns in Chiba-shi
UV exposure in Chiba-shi during September
What to pack to Chiba-shi in September?
Warm & sunny · highs around 28 °C, frequent showers
As you prepare for your trip to Chiba-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 Chiba-shi, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Chiba-shi?Get accurate weather forecasts for Chiba-shi, located at latitude 35.6 and longitude 140.117. Stay updated with localized weather information tailored for Chiba-shi.