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September Weather in Hojo, Japan

Last updated: August 23, 2025

In September, the average temperature in Hojo, Japan is a pleasant 25°C (77°F). Expect minimum temperatures around 18°C (65°F), with highs reaching up to 31°C (88°F). However, it's wise to be prepared for rain, as 184 mm (7.3 in) of precipitation is likely over 12 days. You'll also experience a high level of humidity at around 85%, making for a warm, tropical climate.

September Temperature in Hojo

In September in Hojo, the average temperature is 25°C (77°F). Maximums can reach 31°C (88°F) and minimums can be as low as 18°C (65°F). This pleasant climate makes Hojo an ideal destination for travelers seeking warmth and moderate weather during this time of year.

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

The chart illustrates September temperature patterns in Hojo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hojo, September typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec454551576471788176685950
Data source: Temperature data for Hojo 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 Hojo

In Hojo in September, the precipitation amount is 184 mm (7.3 in) spread over 12 days.

September Precipitation Trends in Hojo

The chart displays monthly precipitation patterns in Hojo, 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 Hojo, September typically receives around 184 mm (7.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec55771171291361813261601851925565
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hojo

In Hojo in September, humidity is 85%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making every outdoor excursion feel both stifling and sticky, requiring frequent breaks in the shade to stay comfortable while exploring.

September Average Humidity in Hojo

This chart illustrates the average monthly humidity levels in Hojo, 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 Hojo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hojo

In Hojo in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hojo.

Maximum UV Index Levels in Hojo for September

The chart shows the monthly maximum UV Index (UVI) for Hojo 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 Hojo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121210764
Data source: Hojo 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 Hojo Compares to Other Months

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

This table compares monthly weather conditions in Hojo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)55 mm (2.2 inches)74%moderate
February Weather7°C (45°F)77 mm (3.0 inches)70%moderate
March Weather10°C (51°F)117 mm (4.6 inches)70%very high
April Weather14°C (57°F)129 mm (5.1 inches)76%very high
May Weather18°C (65°F)136 mm (5.4 inches)82%extreme
June Weather21°C (71°F)181 mm (7.1 inches)86%extreme
July Weather26°C (78°F)326 mm (12.8 inches)91%extreme
August Weather27°C (81°F)160 mm (6.3 inches)88%extreme
September Weather25°C (77°F)184 mm (7.3 inches)85%very high
October Weather20°C (68°F)192 mm (7.5 inches)82%high
November Weather15°C (59°F)55 mm (2.2 inches)79%high
December Weather10°C (50°F)65 mm (2.6 inches)77%moderate

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