Weather in Niigata for September 2025
In general, the average temperature in Niigata at the beginning of September is 27.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.7 °C by the end of September.
Niigata experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Niigata? check out the best time to travel to Niigata page.
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Niigata in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 29° | 2 27° | 3 28° | 4 27° | 5 29° | 6 27° | 7 26° |
8 25° | 9 28° | 10 29° | 11 30° | 12 29° | 13 28° | 14 28° |
15 27° | 16 27° | 17 28° | 18 28° | 19 26° | 20 26° | 21 24° |
22 24° | 23 22° | 24 23° | 25 25° | 26 25° | 27 23° | 28 24° |
29 23° | 30 23° |
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Temperatures trend during September in Niigata
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Patchy rain possible | 29° /24° | 0.9 mm | 7 | |
2 Sept. | Light rain shower | 27° /23° | 5 mm | 6 | |
3 Sept. | Patchy rain possible | 28° /23° | 0.1 mm | 7 | |
4 Sept. | Light rain shower | 27° /22° | 3.8 mm | 7 | |
5 Sept. | Light rain shower | 29° /23° | 3.9 mm | 7 | |
6 Sept. | Torrential rain shower | 27° /23° | 33.6 mm | 6 | |
7 Sept. | Light rain shower | 26° /23° | 1.8 mm | 6 | |
8 Sept. | Moderate rain | 25° /22° | 9.9 mm | 6 | |
9 Sept. | Partly cloudy | 28° /23° | 0.6 mm | 7 | |
10 Sept. | Light rain shower | 29° /23° | 0.7 mm | 7 | |
11 Sept. | Cloudy | 30° /25° | 0.1 mm | 7 | |
12 Sept. | Partly cloudy | 29° /24° | 0.2 mm | 7 | |
13 Sept. | Partly cloudy | 28° /24° | 1 mm | 7 | |
14 Sept. | Partly cloudy | 28° /23° | 2 mm | 7 | |
15 Sept. | Overcast | 27° /24° | 23.2 mm | 6 | |
16 Sept. | Patchy light drizzle | 27° /23° | 1 mm | 6 | |
17 Sept. | Patchy rain possible | 28° /23° | 2.6 mm | 7 | |
18 Sept. | Light rain shower | 28° /24° | 5 mm | 6 | |
19 Sept. | Patchy rain possible | 26° /22° | 25.8 mm | 6 | |
20 Sept. | Light rain shower | 26° /22° | 15.4 mm | 6 | |
21 Sept. | Light rain shower | 24° /21° | 29.3 mm | 6 | |
22 Sept. | Light rain shower | 24° /19° | 29.8 mm | 5 | |
23 Sept. | Overcast | 22° /19° | 2.4 mm | 5 | |
24 Sept. | Partly cloudy | 23° /17° | 0.2 mm | 6 | |
25 Sept. | Overcast | 25° /16° | 0 mm | 7 | |
26 Sept. | Overcast | 25° /20° | 0 mm | 6 | |
27 Sept. | Light rain | 23° /20° | 7.6 mm | 5 | |
28 Sept. | Light rain shower | 24° /20° | 8.4 mm | 5 | |
29 Sept. | Light rain shower | 23° /20° | 1 mm | 5 | |
30 Sept. | Light rain shower | 23° /18° | 2.5 mm | 5 | |
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Niigata in September - FAQ
What to pack to Niigata in September?
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
- 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 Niigata
UV exposure in Niigata during September
Quick links
Get accurate weather forecasts for Niigata, located at latitude 37.886 and longitude 139.006. Stay updated with localized weather information tailored for Niigata.