Yamagata
September
Weather in Yamagata for September 2025
Your guide to Yamagata weather in September - trends and predictions
In general, the average temperature in Yamagata at the beginning of September is 28.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22 °C by the end of September.
Yamagata experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 208.2 mm.
Is September a good time to visit Yamagata? check out the best time to travel to Yamagata page.
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Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
0
Snow days
26°/17°
Temperatures
7 km/h
Avg max wind
87 %
Avg humidity
Yamagata in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  31° | 3 28° | 4 25° | 5  29° | 6 27° | 7 26° |
| 8 23° | 9 28° | 10 30° | 11 31° | 12 31° | 13 28° | 14 28° |
| 15 26° | 16 25° | 17 29° | 18 29° | 19 25° | 20  27° | 21 20° |
| 22 20° | 23 21° | 24  21° | 25 21° | 26 26° | 27 23° | 28 22° |
| 29 21° | 30 20° |
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Temperatures trend during September in Yamagata
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Fog | 31° /20° | 0.4 mm | 7 | |
| 2 Sept. | Light rain shower | 31° /19° | 6.5 mm | 7 | |
| 3 Sept. | Light rain shower | 28° /19° | 0.8 mm | 6 | |
| 4 Sept. | Light rain shower | 25° /18° | 21.9 mm | 6 | |
| 5 Sept. | Moderate or heavy rain shower | 29° /18° | 14.1 mm | 7 | |
| 6 Sept. | Moderate or heavy rain shower | 27° /17° | 17.5 mm | 6 | |
| 7 Sept. | Fog | 26° /17° | 0.6 mm | 6 | |
| 8 Sept. | Light rain shower | 23° /19° | 13.2 mm | 6 | |
| 9 Sept. | Light rain shower | 28° /20° | 16.9 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 30° /20° | 6.4 mm | 7 | |
| 11 Sept. | Fog | 31° /20° | 2.1 mm | 7 | |
| 12 Sept. | Mist | 31° /20° | 0.5 mm | 7 | |
| 13 Sept. | Fog | 28° /19° | 1.2 mm | 6 | |
| 14 Sept. | Mist | 28° /19° | 0.4 mm | 7 | |
| 15 Sept. | Fog | 26° /20° | 9.7 mm | 6 | |
| 16 Sept. | Light rain shower | 25° /18° | 3.5 mm | 6 | |
| 17 Sept. | Patchy rain possible | 29° /18° | 0.5 mm | 6 | |
| 18 Sept. | Light rain shower | 29° /19° | 8.1 mm | 7 | |
| 19 Sept. | Light rain shower | 25° /19° | 6.8 mm | 6 | |
| 20 Sept. | Patchy light drizzle | 27° /18° | 2.6 mm | 6 | |
| 21 Sept. | Light rain shower | 20° /16° | 23.8 mm | 5 | |
| 22 Sept. | Light rain shower | 20° /14° | 25.5 mm | 5 | |
| 23 Sept. | Patchy rain possible | 21° /12° | 2 mm | 5 | |
| 24 Sept. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 25 Sept. | Patchy rain possible | 21° /10° | 0.4 mm | 5 | |
| 26 Sept. | Patchy rain possible | 26° /13° | 0.3 mm | 6 | |
| 27 Sept. | Light drizzle | 23° /16° | 8.3 mm | 5 | |
| 28 Sept. | Light rain shower | 22° /16° | 9.5 mm | 5 | |
| 29 Sept. | Light rain shower | 21° /14° | 1.2 mm | 5 | |
| 30 Sept. | Light rain shower | 20° /14° | 3.5 mm | 5 | |
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Important Notice
Our weather forecast for Yamagata 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 Yamagata forecast closer to your planned date for the most up-to-date weather information.
Yamagata in September - FAQ
What are the expected maximum and minimum temperatures in Yamagata during September?
During September, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Yamagata during September?
Significant rainfall exceeding 208.2 mm is expected in Yamagata during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Yamagata during September?
The average wind speed in Yamagata during September is 7 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Yamagata in September?
As you prepare for your trip to Yamagata 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 Yamagata, 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 Yamagata
Explore the daily rainfall trends and prepare for Yamagatas September weather 💧
UV exposure in Yamagata during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Yamagata?Get accurate weather forecasts for Yamagata, located at latitude 38.233 and longitude 140.367. Stay updated with localized weather information tailored for Yamagata.
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