Weather in Niigata Shi for September 2026
In general, the average temperature in Niigata Shi at the beginning of September is 27.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.9 °C by the end of September.
Niigata Shi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 244.2 mm.
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Niigata Shi Weather September
Temperatures trend during September in Niigata Shi
September weather in Niigata Shi day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 30° /24° | 0.9 mm | 7 | |
| 2 Sept. | Light rain shower | 28° /24° | 4.7 mm | 6 | |
| 3 Sept. | Patchy rain possible | 28° /23° | 2.6 mm | 6 | |
| 4 Sept. | Light rain shower | 27° /22° | 5.7 mm | 6 | |
| 5 Sept. | Light rain shower | 28° /23° | 12.7 mm | 7 | |
| 6 Sept. | Patchy rain possible | 27° /23° | 22.7 mm | 6 | |
| 7 Sept. | Light rain shower | 27° /22° | 3.1 mm | 6 | |
| 8 Sept. |  Moderate rain | 25° /22° | 17.5 mm | 6 | |
| 9 Sept. |  Partly cloudy | 28° /23° | 3.3 mm | 6 | |
| 10 Sept. | Light rain shower | 28° /23° | 6.6 mm | 6 | |
| 11 Sept. |  Cloudy | 28° /24° | 5.5 mm | 6 | |
| 12 Sept. | Partly cloudy | 29° /23° | 0.1 mm | 6 | |
| 13 Sept. | Partly cloudy | 26° /23° | 1.4 mm | 6 | |
| 14 Sept. | Patchy rain possible | 27° /23° | 5.3 mm | 6 | |
| 15 Sept. |  Overcast | 27° /23° | 16.4 mm | 6 | |
| 16 Sept. |  Patchy light drizzle | 27° /23° | 0.6 mm | 6 | |
| 17 Sept. | Light rain shower | 28° /23° | 5.7 mm | 6 | |
| 18 Sept. | Light rain shower | 27° /22° | 19.2 mm | 6 | |
| 19 Sept. | Patchy rain possible | 25° /21° | 17.2 mm | 5 | |
| 20 Sept. | Light rain shower | 26° /21° | 17.5 mm | 6 | |
| 21 Sept. | Light rain shower | 24° /20° | 23.8 mm | 5 | |
| 22 Sept. | Light rain shower | 23° /19° | 20.5 mm | 5 | |
| 23 Sept. | Overcast | 23° /18° | 1.6 mm | 5 | |
| 24 Sept. | Partly cloudy | 24° /17° | 0.1 mm | 6 | |
| 25 Sept. | Overcast | 25° /17° | 4.6 mm | 6 | |
| 26 Sept. | Patchy rain possible | 25° /20° | 1.4 mm | 6 | |
| 27 Sept. | Patchy rain possible | 23° /19° | 5.3 mm | 5 | |
| 28 Sept. | Light rain shower | 24° /19° | 5.7 mm | 5 | |
| 29 Sept. | Light rain shower | 23° /20° | 9.8 mm | 5 | |
| 30 Sept. | Light rain shower | 23° /18° | 2.6 mm | 5 | |
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Niigata Shi weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 28°/24° | 26°/22° | 19°/15° |
| Rainfall | 226 mm | 244 mm | 177 mm |
| Wind | 15.9 km/h | 19 km/h | 22.7 km/h |
| Humidity | 80% | 76% | 71% |
| Rainy days | 23 days | 26 days | 26 days |
| Dry days | 8 days | 4 days | 5 days |
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Niigata Shi in September - FAQ
What are the expected maximum and minimum temperatures in Niigata Shi during September?
How much rainfall should be expected in Niigata Shi during September?
What are the typical wind conditions in Niigata Shi during September?
September rainfall patterns in Niigata Shi
UV exposure in Niigata Shi during September
What to pack to Niigata Shi in September?
Warm & sunny · highs around 26 °C, frequent showers
As you prepare for your trip to Niigata 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 Niigata Shi, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Niigata Shi?Get accurate weather forecasts for Niigata Shi, located at latitude 37.886 and longitude 139.006. Stay updated with localized weather information tailored for Niigata Shi.