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September Weather in Kahoku, Japan

Last updated: August 23, 2025

In Kahoku, Japan, the average temperature in September hovers around 24°C (75°F), with the minimum dipping to 13°C (56°F) and the maximum soaring to 38°C (101°F). During this time, expect 199 mm (7.8 in) of rainfall spread over approximately 15 days, contributing to a high average humidity of 84%. Whether you enjoy the warmth or the refreshing showers, this month offers a blend of experiences!

September Temperature in Kahoku

In September, in Kahoku, the average temperature is 24°C (75°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 13°C (56°F). This climate makes it an ideal destination for travelers seeking warm weather and diverse outdoor activities.

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

The chart illustrates September temperature patterns in Kahoku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kahoku, September typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (101°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec394048556572808375645444
Data source: Temperature data for Kahoku 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 Kahoku

In Kahoku in September, the precipitation amount reaches 199 mm (7.8 in) over a span of 15 days.

September Precipitation Trends in Kahoku

The chart displays monthly precipitation patterns in Kahoku, 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 Kahoku, September typically receives around 199 mm (7.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec14412812914295134270215199161118192
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kahoku

In Kahoku in September humidity is 84%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it essential for travelers to stay hydrated and plan outdoor activities for early mornings or late afternoons when the heat is more bearable.

September Average Humidity in Kahoku

This chart illustrates the average monthly humidity levels in Kahoku, 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 Kahoku is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kahoku

In Kahoku in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Kahoku.

Maximum UV Index Levels in Kahoku for September

The chart shows the monthly maximum UV Index (UVI) for Kahoku 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 Kahoku typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111119653
Data source: Kahoku 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 Kahoku Compares to Other Months

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

This table compares monthly weather conditions in Kahoku, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)144 mm (5.7 inches)80%moderate
February Weather5°C (40°F)128 mm (5.0 inches)78%moderate
March Weather9°C (48°F)129 mm (5.1 inches)76%high
April Weather13°C (55°F)142 mm (5.6 inches)77%very high
May Weather19°C (66°F)95 mm (3.8 inches)85%very high
June Weather22°C (72°F)134 mm (5.3 inches)89%extreme
July Weather27°C (80°F)270 mm (10.6 inches)93%extreme
August Weather28°C (83°F)215 mm (8.5 inches)92%extreme
September Weather24°C (75°F)199 mm (7.8 inches)84%very high
October Weather18°C (65°F)160 mm (6.3 inches)81%high
November Weather12°C (54°F)118 mm (4.6 inches)77%moderate
December Weather7°C (45°F)192 mm (7.6 inches)79%moderate

Compare Kahoku's Climate with Cities Worldwide