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September Weather in Kamikawa, Japan

Last updated: August 23, 2025

The average temperature in Kamikawa, Japan during September is a crisp 13°C (56°F). You'll experience a minimum of -1°C (30°F) and a maximum of 26°C (79°F), creating a diverse climate. Expect 111 mm (4.4 in) of precipitation spread over 14 days, contributing to the region's average humidity of 89%. Stay prepared for a mix of chilly and warm days!

September Temperature in Kamikawa

In September in Kamikawa, the average temperature is 13°C (56°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -1°C (30°F). Be sure to pack layers to prepare for the varying temperatures during your travels!

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

The chart illustrates September temperature patterns in Kamikawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamikawa, September typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec121425354855646356442916
Data source: Temperature data for Kamikawa 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 Kamikawa

In Kamikawa in September, the precipitation amount is 111 mm (4.4 in) during 14 days, indicating a significant amount of rainfall for that period.

September Precipitation Trends in Kamikawa

The chart displays monthly precipitation patterns in Kamikawa, 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 Kamikawa, September typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8410711797125131145205111161166143
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kamikawa

In Kamikawa in September humidity is 89%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor travel feel heavy and uncomfortable.

September Average Humidity in Kamikawa

This chart illustrates the average monthly humidity levels in Kamikawa, 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 Kamikawa 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 Kamikawa

In Kamikawa 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 Kamikawa.

Maximum UV Index Levels in Kamikawa for September

The chart shows the monthly maximum UV Index (UVI) for Kamikawa 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 Kamikawa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236891010108532
Data source: Kamikawa 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 Kamikawa Compares to Other Months

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

This table compares monthly weather conditions in Kamikawa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)84 mm (3.3 inches)84%low
February Weather-10°C (14°F)107 mm (4.2 inches)83%moderate
March Weather-4°C (25°F)117 mm (4.6 inches)83%high
April Weather1°C (35°F)97 mm (3.8 inches)83%very high
May Weather9°C (48°F)125 mm (4.9 inches)86%very high
June Weather13°C (55°F)131 mm (5.2 inches)88%very high
July Weather18°C (65°F)145 mm (5.7 inches)93%very high
August Weather17°C (64°F)205 mm (8.1 inches)96%very high
September Weather13°C (56°F)111 mm (4.4 inches)89%very high
October Weather6°C (44°F)161 mm (6.4 inches)83%moderate
November Weather-1°C (30°F)166 mm (6.5 inches)80%moderate
December Weather-9°C (16°F)143 mm (5.6 inches)79%low

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