nomadseason

September Weather in Kamikawa, Japan

Last updated: August 23, 2025

In Kamikawa, Japan, the average temperature in September is a pleasant 24°C (75°F). However, it can vary significantly, with minimums dipping to 12°C (54°F) and maximums soaring to 35°C (95°F). Be prepared for wet days as the area sees approximately 240 mm (9.4 in) of precipitation over 14 days, accompanied by a high average humidity of 87%.

September Temperature in Kamikawa

In September in Kamikawa, the average temperature is 24°C (75°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 12°C (54°F). This pleasant weather makes it an ideal time for outdoor activities and exploring the local attractions.

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 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec404148566572798274655444
Data source: Temperature data for Kamikawa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kamikawa

In Kamikawa in September, the total precipitation amount is 240 mm (9.4 in) over the course of 14 days.

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 240 mm (9.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec44551161341251613362412402204159
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kamikawa

In Kamikawa in September, humidity is 87%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace that clings to your skin, making outdoor activities feel heavier and more exhausting, and the air thickens, leaving you longing for shade and refreshing breezes as you navigate your adventures.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210753
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 Weather4°C (40°F)44 mm (1.7 inches)82%moderate
February Weather5°C (41°F)55 mm (2.2 inches)79%high
March Weather9°C (49°F)116 mm (4.5 inches)73%very high
April Weather14°C (57°F)134 mm (5.3 inches)74%very high
May Weather19°C (66°F)125 mm (4.9 inches)84%extreme
June Weather22°C (72°F)161 mm (6.3 inches)86%extreme
July Weather26°C (79°F)336 mm (13.2 inches)92%extreme
August Weather28°C (82°F)241 mm (9.5 inches)92%extreme
September Weather24°C (75°F)240 mm (9.4 inches)87%very high
October Weather18°C (65°F)220 mm (8.7 inches)85%high
November Weather12°C (54°F)41 mm (1.6 inches)84%moderate
December Weather6°C (44°F)59 mm (2.3 inches)82%moderate

Compare Kamikawa's Climate with Cities Worldwide