nomadseason

September Weather in Honmachi, Japan

Last updated: August 23, 2025

In Honmachi, Japan, the weather in September boasts an average temperature of 16°C (62°F). Expect a minimum of 11°C (53°F) and a pleasant maximum of 26°C (79°F). However, prepare for precipitation with about 95 mm (3.8 in) spread across 10 days, and stay comfortable with an average humidity level of 89%.

September Temperature in Honmachi

In September in Honmachi, the average temperature is 16°C (62°F). Maximum temperatures can reach 26°C (79°F), while the minimum can dip as low as 11°C (53°F). This pleasant climate makes Honmachi an ideal destination for travelers seeking comfortable weather to explore and enjoy outdoor activities.

September Weather in Honmachi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Honmachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honmachi, September typically has an average temperature of 16°C (62°F), with highs reaching up to 26°C (79°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec241928364653616462534129
Data source: Temperature data for Honmachi generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Honmachi

In Honmachi in September, the precipitation amount is 95 mm (3.8 in) over the course of 10 days.

September Precipitation Trends in Honmachi

The chart displays monthly precipitation patterns in Honmachi, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Honmachi, September typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec776893721071017011495187139119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Honmachi

In Honmachi in September, humidity is 89%. With an average temperature of 16°C (62°F), this humidity feels like a damp blanket enveloping you, making every step slightly sticky and the air thick, which can be uncomfortable for traveling.

September Average Humidity in Honmachi

This chart illustrates the average monthly humidity levels in Honmachi, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Honmachi is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Honmachi

In Honmachi in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Honmachi.

Maximum UV Index Levels in Honmachi for September

The chart shows the monthly maximum UV Index (UVI) for Honmachi in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Honmachi typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357891098532
Data source: Honmachi September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Honmachi Compares to Other Months

Weather in Honmachi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Honmachi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Honmachi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)77 mm (3.0 inches)84%low
February Weather-7°C (20°F)68 mm (2.7 inches)83%moderate
March Weather-2°C (28°F)93 mm (3.7 inches)83%moderate
April Weather2°C (36°F)72 mm (2.8 inches)83%high
May Weather8°C (46°F)107 mm (4.2 inches)86%very high
June Weather12°C (53°F)100 mm (4.0 inches)88%very high
July Weather16°C (62°F)70 mm (2.8 inches)93%very high
August Weather18°C (65°F)114 mm (4.5 inches)96%very high
September Weather16°C (62°F)95 mm (3.8 inches)89%very high
October Weather12°C (53°F)187 mm (7.3 inches)83%moderate
November Weather5°C (42°F)139 mm (5.5 inches)80%moderate
December Weather-1°C (30°F)119 mm (4.7 inches)79%low

Compare Honmachi's Climate with Cities Worldwide