World Resorts Japan Yokohama Weather

Yokohama weather in September

Weather in Yokohama: September

Average day temperature: 81.5°F
Average night temperature: 75.0°F
Sea water temperature: 78.4°F
Number of sunny days: 10 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 7 days
Precipitation totals: 6.4 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 84°F. At the same time the lowest night temperature was 66°F. Daily and nightly averages during September were 74.7°F and 73.0°F.

Sea water temperature in Yokohama in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 77.8°F. The highest and lowest sea temperatures during the month were 81.1°F and 73.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Yokohama in September is 6.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 12.0 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.5.

Best time for vacation in Yokohama

Sunniest months:
January 16 days
December 16 days
July 14 days
Warmest months:
August 87.2 °F
July 84.2 °F
September 81.5 °F
Warmest sea temp:
August 81.2 °F
September 78.4 °F
July 77.6 °F
Coldest months:
January 48.8 °F
February 49.7 °F
December 53.6 °F
Rainiest months:
September 7 days
June 7 days
April 6 days
Windiest months:
April 12.4 mph
March 12.1 mph
February 11.6 mph

Yokohama on a weather map

Yokohama
+68°F
S 9 mph
Feels like: +68°F
Precip.: 7%
Places in Japan:
Name
°F
+68°F
+68°F
+70°F
+68°F
+68°F
+70°F
+68°F
+68°F
+77°F
+68°F
+57°F
+70°F
+70°F
+68°F
+68°F
24 Hours Forecast
Yokohama
Local time: 11:27
October 31, saturday
1200
68°F
S
9 mph
1500
70°F
SW
1 mph
1800
68°F
SE
6 mph
2100
64°F
S
11 mph
November 01, sunday
0000
63°F
SW
8 mph
0300
61°F
S
9 mph
0600
59°F
SW
6 mph
0900
61°F
SW
6 mph
Units of measurement: °C / °F