Weather in Niigata for September 2027
In general, the average temperature in Niigata at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.2 °C by the end of September.
Niigata in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 249.1 mm.
Is September a good time to visit Niigata? check out the best time to travel to Niigata page.
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Niigata Weather September
Temperatures trend during September in Niigata
September weather in Niigata day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 29° /24° | 2.1 mm | 6 | |
| 2 Sept. |  Light rain | 28° /24° | 4.6 mm | 5 | |
| 3 Sept. |  Moderate rain | 27° /23° | 18.7 mm | 5 | |
| 4 Sept. | Light rain | 26° /23° | 5.4 mm | 5 | |
| 5 Sept. | Light rain | 26° /23° | 9.5 mm | 7 | |
| 6 Sept. | Moderate rain | 27° /23° | 17 mm | 6 | |
| 7 Sept. | Moderate rain | 26° /22° | 10.6 mm | 5 | |
| 8 Sept. | Moderate rain | 25° /23° | 18.8 mm | 5 | |
| 9 Sept. | Moderate rain | 26° /22° | 12.9 mm | 5 | |
| 10 Sept. | Light rain | 26° /23° | 5 mm | 6 | |
| 11 Sept. | Light rain | 27° /23° | 5 mm | 5 | |
| 12 Sept. |  Partly cloudy | 27° /23° | 0.1 mm | 5 | |
| 13 Sept. | Patchy rain possible | 26° /23° | 1.8 mm | 5 | |
| 14 Sept. | Light rain | 27° /23° | 5.7 mm | 5 | |
| 15 Sept. | Moderate rain | 25° /23° | 17 mm | 5 | |
| 16 Sept. | Patchy light drizzle | 26° /23° | 0.6 mm | 5 | |
| 17 Sept. | Light rain | 27° /23° | 4.6 mm | 6 | |
| 18 Sept. | Moderate rain | 27° /22° | 14.4 mm | 5 | |
| 19 Sept. | Moderate rain | 25° /21° | 13.3 mm | 4 | |
| 20 Sept. | Moderate rain | 25° /22° | 15.5 mm | 5 | |
| 21 Sept. | Moderate rain | 24° /21° | 19.9 mm | 4 | |
| 22 Sept. | Moderate rain | 23° /20° | 15.9 mm | 5 | |
| 23 Sept. | Patchy rain possible | 23° /19° | 1.2 mm | 5 | |
| 24 Sept. | Patchy rain possible | 23° /18° | 1.2 mm | 5 | |
| 25 Sept. | Light rain | 24° /18° | 3.7 mm | 5 | |
| 26 Sept. | Patchy rain possible | 24° /20° | 1.7 mm | 5 | |
| 27 Sept. | Light rain | 23° /20° | 4 mm | 4 | |
| 28 Sept. | Light rain | 23° /20° | 8.5 mm | 4 | |
| 29 Sept. | Light rain | 23° /20° | 8.3 mm | 4 | |
| 30 Sept. | Light rain shower | 22° /18° | 1.9 mm | 5 | |
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Niigata weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 28°/24° | 25°/22° | 19°/15° |
| Rainfall | 178 mm | 249 mm | 202 mm |
| Wind | 16.9 km/h | 20.4 km/h | 22.7 km/h |
| Humidity | 79% | 76% | 70% |
| Rainy days | 17 days | 18 days | 16 days |
| Dry days | 14 days | 12 days | 15 days |
Planning a trip to Niigata? Discover the best time to visit
Niigata in September - FAQ
What are the expected maximum and minimum temperatures in Niigata during September?
How much rainfall should be expected in Niigata during September?
What are the typical wind conditions in Niigata during September?
September rainfall patterns in Niigata
UV exposure in Niigata during September
What to pack to Niigata in September?
Mild · highs around 25 °C, frequent showers
As you prepare for your trip to Niigata 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, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Niigata?Get accurate weather forecasts for Niigata, located at latitude 37.886 and longitude 139.006. Stay updated with localized weather information tailored for Niigata.