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September Weather in Honcho, Japan

Last updated: August 23, 2025

In Honcho, Japan, the average temperature in September hovers around 19°C (66°F). Visitors can expect a minimum of 8°C (46°F) and a maximum of 29°C (85°F). Be prepared for some rain, as 164 mm (6.5 in) of precipitation is likely over 14 days. The air will feel quite humid, with an average humidity level of 89%—perfect for those who enjoy a lush and vibrant atmosphere!

September Temperature in Honcho

In September in Honcho, the average temperature is 19°C (66°F). Maximum can reach 29°C (85°F) and minimum can be as low as 8°C (46°F). This mild climate makes it an ideal time to explore the outdoors and enjoy local attractions.

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

The chart illustrates September temperature patterns in Honcho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honcho, September typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (85°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec282836445359677066564432
Data source: Temperature data for Honcho generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Honcho

In Honcho in September, the precipitation amount is 164 mm (6.5 in) spread over 14 days.

September Precipitation Trends in Honcho

The chart displays monthly precipitation patterns in Honcho, 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 Honcho, September typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec53658694931061111701651239571
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Honcho

In Honcho in September humidity is 89%. With an average temperature of 19°C (66°F), this humidity feels like walking through a damp blanket, making every step more laborious and the air thick, potentially leading to discomfort while exploring or sightseeing.

September Average Humidity in Honcho

This chart illustrates the average monthly humidity levels in Honcho, 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 Honcho is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Honcho

In Honcho 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 Honcho.

Maximum UV Index Levels in Honcho for September

The chart shows the monthly maximum UV Index (UVI) for Honcho 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 Honcho typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245891010118632
Data source: Honcho 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 Honcho Compares to Other Months

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

This table compares monthly weather conditions in Honcho, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)53 mm (2.1 inches)79%low
February Weather-2°C (28°F)65 mm (2.6 inches)78%moderate
March Weather2°C (36°F)85 mm (3.4 inches)77%moderate
April Weather6°C (44°F)94 mm (3.7 inches)78%very high
May Weather12°C (53°F)93 mm (3.7 inches)86%very high
June Weather15°C (59°F)106 mm (4.2 inches)91%very high
July Weather19°C (67°F)111 mm (4.4 inches)95%very high
August Weather21°C (70°F)170 mm (6.7 inches)97%extreme
September Weather19°C (66°F)164 mm (6.5 inches)89%very high
October Weather13°C (56°F)123 mm (4.8 inches)81%high
November Weather7°C (45°F)95 mm (3.8 inches)78%moderate
December Weather0°C (32°F)71 mm (2.8 inches)77%low

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