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September Weather in Mikuni, Japan

Last updated: August 23, 2025

In September, the average temperature in Mikuni, Japan hovers around 24°C (75°F), with daily fluctuations ranging from a minimum of 17°C (64°F) to a pleasant maximum of 32°C (89°F). Expect about 218 mm (8.6 in) of precipitation spread over 14 days, contributing to an average humidity level of 84%. Whether you're exploring the great outdoors or enjoying a cozy day inside, this climate promises a unique experience!

September Temperature in Mikuni

In September in Mikuni, the average temperature is 24°C (75°F). Maximums can reach 32°C (89°F), while minimums can drop to as low as 17°C (64°F). This weather makes it an ideal time for travelers seeking pleasant and moderate climates.

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

The chart illustrates September temperature patterns in Mikuni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mikuni, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (89°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec424248546369788175665647
Data source: Temperature data for Mikuni 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 Mikuni

In Mikuni in September, the total precipitation amount is 218 mm (8.6 in) over the course of 14 days.

September Precipitation Trends in Mikuni

The chart displays monthly precipitation patterns in Mikuni, 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 Mikuni, September typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec223180160174146160317252218208163269
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mikuni

In Mikuni 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 Mikuni

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

In Mikuni 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 Mikuni.

Maximum UV Index Levels in Mikuni for September

The chart shows the monthly maximum UV Index (UVI) for Mikuni 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 Mikuni typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45810101111119753
Data source: Mikuni 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 Mikuni Compares to Other Months

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

This table compares monthly weather conditions in Mikuni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)223 mm (8.8 inches)80%moderate
February Weather6°C (42°F)180 mm (7.1 inches)78%moderate
March Weather9°C (48°F)160 mm (6.3 inches)76%very high
April Weather12°C (54°F)174 mm (6.9 inches)77%very high
May Weather17°C (63°F)146 mm (5.8 inches)85%very high
June Weather21°C (70°F)160 mm (6.3 inches)89%extreme
July Weather25°C (78°F)317 mm (12.5 inches)93%extreme
August Weather27°C (81°F)252 mm (9.9 inches)92%extreme
September Weather24°C (75°F)218 mm (8.6 inches)84%very high
October Weather19°C (66°F)208 mm (8.2 inches)81%high
November Weather14°C (57°F)163 mm (6.4 inches)77%moderate
December Weather8°C (47°F)269 mm (10.6 inches)79%moderate

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