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September Weather in Horonobe, Japan

Last updated: August 23, 2025

In September, the average temperature in Horonobe, Japan is a pleasant 18°C (64°F). Expect a minimum of 10°C (49°F) and a maximum of 27°C (80°F), making it a comfortable time of year. However, be prepared for about 91 mm (3.6 in) of precipitation over 12 days, contributing to an average humidity of 86%. Enjoy the vibrant atmosphere while staying cozy!

September Temperature in Horonobe

In September in Horonobe, the average temperature is 18°C (64°F). Maximums can reach 27°C (80°F), and minimums can be as low as 10°C (49°F). This pleasant climate makes Horonobe an ideal destination for travelers seeking mild weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Horonobe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Horonobe, September typically has an average temperature of 18°C (64°F), with highs reaching up to 27°C (80°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec242433425057666864544229
Data source: Temperature data for Horonobe 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 Horonobe

In Horonobe in September, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

September Precipitation Trends in Horonobe

The chart displays monthly precipitation patterns in Horonobe, 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 Horonobe, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec68717460838811215491138152112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Horonobe

In Horonobe in September humidity is 86%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air becomes thick and sticky, often leading to clammy skin and a constant need for hydration.

September Average Humidity in Horonobe

This chart illustrates the average monthly humidity levels in Horonobe, 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 Horonobe is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%84%83%84%88%88%93%94%86%79%77%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Horonobe

In Horonobe in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Horonobe.

Maximum UV Index Levels in Horonobe for September

The chart shows the monthly maximum UV Index (UVI) for Horonobe 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 Horonobe typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689997531
Data source: Horonobe 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 Horonobe Compares to Other Months

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

This table compares monthly weather conditions in Horonobe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)68 mm (2.7 inches)87%low
February Weather-4°C (25°F)71 mm (2.8 inches)84%moderate
March Weather1°C (33°F)74 mm (2.9 inches)83%moderate
April Weather5°C (42°F)60 mm (2.3 inches)84%high
May Weather10°C (51°F)83 mm (3.3 inches)88%very high
June Weather14°C (57°F)88 mm (3.5 inches)88%very high
July Weather19°C (67°F)112 mm (4.4 inches)93%very high
August Weather20°C (69°F)154 mm (6.1 inches)94%very high
September Weather18°C (64°F)91 mm (3.6 inches)86%high
October Weather12°C (54°F)138 mm (5.4 inches)79%moderate
November Weather5°C (42°F)152 mm (6.0 inches)77%moderate
December Weather-2°C (29°F)112 mm (4.4 inches)83%low

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