September Weather in Miyakonojo, Japan

Last updated: August 23, 2025

In Miyakonojo, Japan, the average temperature in September hovers around 24°C (76°F), providing a pleasant climate for visitors. Temperatures can dip to a minimum of 13°C (56°F) or soar to a maximum of 33°C (91°F). Expect 279 mm (11.0 in) of precipitation spread over 19 days, accompanied by an average humidity level of 80%. Be prepared for a mix of sunny days and occasional rain!

September Temperature in Miyakonojo

In September in Miyakonojo, the average temperature is 24°C (76°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 13°C (56°F). This moderate climate makes it an ideal time for travelers to explore the outdoors and enjoy various activities.

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

The chart illustrates September temperature patterns in Miyakonojo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miyakonojo, September typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec434553606772798176675646
Data source: Temperature data for Miyakonojo 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 Miyakonojo

In Miyakonojo in September, the total precipitation amount is 279 mm (11.0 in), occurring over a period of 19 days.

September Precipitation Trends in Miyakonojo

The chart displays monthly precipitation patterns in Miyakonojo, 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 Miyakonojo, September typically receives around 279 mm (11.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec561041731452453753842272791709378
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Miyakonojo

In Miyakonojo in September humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Miyakonojo

This chart illustrates the average monthly humidity levels in Miyakonojo, 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 Miyakonojo is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%72%79%83%86%90%85%80%78%76%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Miyakonojo

In Miyakonojo in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Miyakonojo.

Maximum UV Index Levels in Miyakonojo for September

The chart shows the monthly maximum UV Index (UVI) for Miyakonojo 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 Miyakonojo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5610101212121311865
Data source: Miyakonojo 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 Miyakonojo Compares to Other Months

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

This table compares monthly weather conditions in Miyakonojo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)56 mm (2.2 inches)72%moderate
February Weather7°C (45°F)104 mm (4.1 inches)68%high
March Weather12°C (53°F)173 mm (6.8 inches)72%very high
April Weather16°C (60°F)145 mm (5.7 inches)79%very high
May Weather19°C (67°F)244 mm (9.6 inches)83%extreme
June Weather22°C (73°F)375 mm (14.8 inches)86%extreme
July Weather26°C (79°F)384 mm (15.1 inches)90%extreme
August Weather27°C (81°F)227 mm (8.9 inches)85%extreme
September Weather24°C (76°F)279 mm (11.0 inches)80%extreme
October Weather20°C (67°F)170 mm (6.7 inches)78%very high
November Weather13°C (56°F)93 mm (3.7 inches)76%high
December Weather8°C (46°F)78 mm (3.1 inches)74%moderate

Compare Miyakonojo's Climate with Cities Worldwide