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Weather in Yokohama for September 2025

Your guide to Yokohama weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Yokohama has been nearly identical to the historical average, with a temperature of 28 °C (showing only a slight deviation of 0.2 °C).

  • Expect cooler weather in the next days in Yokohama with the forecast suggesting a temperature of 25.7 °C, lower than the historical average.

  • In general, the average temperature in Yokohama at the beginning of September is 27.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.6 °C by the end of September.

    • Rain 🌧️

  • Yokohama experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 234.4 mm.

    • More

  • Is September a good time to visit Yokohama? check out the best time to travel to Yokohama page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
6
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/23°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Yokohama Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
28°
2
Moderate or heavy rain shower
27°
3
Moderate or heavy rain shower
28°
4
Moderate rain at times
27°
5
Partly cloudy
27°
6
Patchy rain possible
28°
7
Patchy rain possible
28°
8
Moderate rain at times
27°
9
Moderate or heavy rain shower
28°
10
Partly cloudy
29°
11
Light rain shower
27°
12
Partly cloudy
28°
13
Sunny
29°
14
Sunny
28°
15
Patchy rain possible
27°
16
Patchy rain possible
29°
17
Sunny
30°
18
Moderate rain
30°
19
Moderate rain
21°
20
Moderate rain
20°
21
Moderate rain
19°
22
Patchy rain possible
24°
23
Patchy rain possible
25°
24
Overcast
25°
25
Partly cloudy
28°
26
Sunny
29°
27
Sunny
30°
28
Patchy rain possible
23°
29
Partly cloudy
25°
30
Overcast
26°

Temperatures trend during September in Yokohama

See the weather trend as well as the moving average line

September weather in Yokohama day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 28° /24° 3.2 mm 6
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /24° 8.6 mm 6
3 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /23° 13.3 mm 6
4 Sept. Moderate rain at times
Moderate rain at times
 27° /22° 31.4 mm 6
5 Sept. Partly cloudy
Partly cloudy
 27° /23° 13.8 mm 6
6 Sept. Patchy rain possible
Patchy rain possible
 28° /23° 0.9 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
 28° /24° 2.3 mm 6
8 Sept. Moderate rain at times
Moderate rain at times
 27° /23° 55.2 mm 6
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /24° 15.1 mm 6
10 Sept. Partly cloudy
Partly cloudy
 29° /24° 2 mm 6
11 Sept. Light rain shower
Light rain shower
 27° /24° 3.4 mm 6
12 Sept. Partly cloudy
Partly cloudy
 28° /24° 3.6 mm 6
13 Sept. Sunny
Sunny
 29° /24° 0.3 mm 7
14 Sept. Sunny
Sunny
 28° /24° 1.4 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 27° /26° 2.1 mm 1.3
16 Sept. Patchy rain possible
Patchy rain possible
 29° /26° 0.6 mm 1.7
17 Sept. Sunny
Sunny
 30° /26° 0.1 mm 1.7
18 Sept. Moderate rain
Moderate rain
 30° /22° 13.6 mm 1.9
19 Sept. Moderate rain
Moderate rain
 21° /19° 8.2 mm 5
20 Sept. Moderate rain
Moderate rain
 20° /18° 11.6 mm 4
21 Sept. Moderate rain
Moderate rain
 19° /18° 11.8 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 24° /19° 0.3 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 25° /22° 0.3 mm 5
24 Sept. Overcast
Overcast
 25° /22° 0 mm 5
25 Sept. Partly cloudy
Partly cloudy
 28° /24° 0 mm 7
26 Sept. Sunny
Sunny
 29° /25° 0 mm 7
27 Sept. Sunny
Sunny
 30° /25° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
 23° /22° 0 mm 5
29 Sept. Partly cloudy
Partly cloudy
 25° /20° 6.3 mm 6
30 Sept. Overcast
Overcast
 26° /21° 9.3 mm 6
Next
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.
Change Month
‹
›

Yokohama weather in September vs August vs October

Compare September weather in Yokohama with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures29°/26°27°/23°22°/17°
Rainfall212 mm234 mm162 mm
Wind25.8 km/h25.9 km/h26.6 km/h
Humidity76%74%65%
Rainy days26 days24 days25 days
Dry days5 days6 days6 days

Planning a trip to Yokohama? Discover the best time to visit

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 27° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Yokohama during September?
Significant rainfall exceeding 234.4 mm is expected in Yokohama during September, occurring over more than 24 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 26 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

September rainfall patterns in Yokohama

Explore the daily rainfall trends and prepare for Yokohamas September weather 💧

UV exposure in Yokohama during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Get accurate weather forecasts for Yokohama, located at latitude 35.433 and longitude 139.65. Stay updated with localized weather information tailored for Yokohama.

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