Yokohama Weather in September: Climate, Temperature & Travel Tips
Avg 0.0°C · 220mm rain — September is autumn in Yokohama.
- Avg high
- 0.0 °C
- Avg low
- 0.0 °C
- Avg
- 0.0 °C
- Precipitation
- 220 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
September in Yokohama, Japan brings autumn conditions: average temperature 0.0°C, average high 0.0°C, average low 0.0°C. Monthly rainfall averages 220mm, making it a wet time of year.
Pack winter clothing to stay comfortable during outdoor excursions.
What to Pack
- Heavy winter coat, thermal layers, gloves, hat
- Insulated waterproof boots
- Compact umbrella and waterproof jacket
Best Things to Do
- Indoor museums, markets, and cafes
- Hot springs or indoor thermal facilities
- Evening illuminations and festivals (if any)
Pros and Cons of Visiting in September
Pros:
- Shoulder season often means smaller crowds and lower prices
Cons:
- Cold conditions require winter gear
- Frequent rain — pack waterproof gear
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 January 0.0°C
- 2 February 0.0°C
- 3 March 0.0°C
- 1 December 0.0°C
- 2 November 0.0°C
- 3 October 0.0°C
FAQ
01 What is the average temperature in Yokohama in September? +
The average is 0.0°C, with a high of 0°C and a low of 0°C.
02 What is Yokohama like to visit in September? +
It is autumn in Yokohama, which is cool — bring warm clothes.
03 Does it rain often in Yokohama during September? +
Average rainfall is 220mm, which is high — expect frequent rain.
04 What should I pack for Yokohama in September? +
Heavy winter coat, thermal layers, gloves, hat; Insulated waterproof boots.
05 Is September a peak travel season for Yokohama? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17