Yokohama
September
Weather in Yokohama for September 2025
Your guide to Yokohama weather in September - trends and predictions
In general, the average temperature in Yokohama at the beginning of September is 28.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.7 °C by the end of September.
The climate of Yokohama in September is notably wet, with an average of 14 rainy days.
Is September a good time to visit Yokohama? check out the best time to travel to Yokohama page.
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16
Dry days
14
Rainy days
0
Snow days
28°/24°
Temperatures
27 km/h
Avg max wind
75 %
Avg humidity
Yokohama in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  29° | 3  28° | 4 27° | 5  28° | 6 29° | 7 29° |
| 8  27° | 9  29° | 10 29° | 11 28° | 12 29° | 13 29° | 14 29° |
| 15  30° | 16 29° | 17 29° | 18 29° | 19 30° | 20 30° | 21 29° |
| 22 28° | 23 24° | 24 24° | 25 25° | 26 27° | 27 27° | 28 27° |
| 29 25° | 30 25° |
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Temperatures trend during September in Yokohama
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. | Sunny | 28° /26° | 4.1 mm | 7 | |
| 2 Sept. | Patchy rain possible | 29° /26° | 0.5 mm | 6 | |
| 3 Sept. | Light rain | 28° /23° | 23.4 mm | 6 | |
| 4 Sept. | Light rain shower | 27° /24° | 60.6 mm | 6 | |
| 5 Sept. | Partly cloudy | 28° /24° | 1.6 mm | 7 | |
| 6 Sept. | Patchy rain possible | 29° /26° | 1.6 mm | 7 | |
| 7 Sept. | Patchy rain possible | 29° /26° | 1.8 mm | 7 | |
| 8 Sept. | Torrential rain shower | 27° /24° | 130 mm | 6 | |
| 9 Sept. | Moderate or heavy rain shower | 29° /24° | 12.1 mm | 6 | |
| 10 Sept. | Partly cloudy | 29° /25° | 2.4 mm | 7 | |
| 11 Sept. | Light rain shower | 28° /26° | 2.6 mm | 7 | |
| 12 Sept. | Partly cloudy | 29° /26° | 0.4 mm | 7 | |
| 13 Sept. | Sunny | 29° /26° | 0 mm | 7 | |
| 14 Sept. | Sunny | 29° /26° | 0 mm | 7 | |
| 15 Sept. | Cloudy | 30° /26° | 0.1 mm | 7 | |
| 16 Sept. | Partly cloudy | 29° /25° | 4.6 mm | 7 | |
| 17 Sept. | Partly cloudy | 29° /25° | 0 mm | 7 | |
| 18 Sept. | Sunny | 29° /26° | 0.1 mm | 8 | |
| 19 Sept. | Sunny | 30° /26° | 2.3 mm | 7 | |
| 20 Sept. | Patchy rain possible | 30° /27° | 0.6 mm | 7 | |
| 21 Sept. | Patchy rain possible | 29° /26° | 0.2 mm | 7 | |
| 22 Sept. | Light rain shower | 28° /23° | 6.4 mm | 6 | |
| 23 Sept. | Light rain shower | 24° /21° | 8.1 mm | 5 | |
| 24 Sept. | Partly cloudy | 24° /20° | 0.1 mm | 6 | |
| 25 Sept. | Cloudy | 25° /20° | 0.1 mm | 6 | |
| 26 Sept. | Sunny | 27° /21° | 0.2 mm | 7 | |
| 27 Sept. | Patchy rain possible | 27° /23° | 8.6 mm | 6 | |
| 28 Sept. | Patchy rain possible | 27° /23° | 2.7 mm | 6 | |
| 29 Sept. | Light drizzle | 25° /22° | 4.3 mm | 6 | |
| 30 Sept. | Patchy rain possible | 25° /22° | 0.3 mm | 6 | |
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Important Notice
Our weather forecast for Yokohama 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 Yokohama forecast closer to your planned date for the most up-to-date weather information.
Yokohama in September - FAQ
What are the expected maximum and minimum temperatures in Yokohama during September?
During September, expect a variety of temperatures with highs around 28° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Yokohama during September?
Significant rainfall exceeding 450.3 mm is expected in Yokohama during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Yokohama during September?
The average wind speed in Yokohama during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Yokohama in September?
As you prepare for your trip to Yokohama 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 Yokohama, 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
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