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September Weather in Miyoshi, Japan

Last updated: August 23, 2025

In September, the average temperature in Miyoshi, Japan hovers around 23°C (74°F), creating a pleasant atmosphere for outdoor activities. Temperatures can dip as low as 13°C (56°F) and rise to a cozy 33°C (92°F). However, be prepared for 248 mm (9.8 in) of precipitation spread over 16 days, contributing to the region's lush beauty. With an average humidity of 85%, expect a warm and moist climate that adds to the area's charm.

September Temperature in Miyoshi

In September, in Miyoshi, the average temperature is 23°C (74°F). Maximum temperatures can reach up to 33°C (92°F), while the minimum can drop as low as 13°C (56°F). This pleasant climate makes Miyoshi an ideal destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates September temperature patterns in Miyoshi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miyoshi, September typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec404148566470788073645243
Data source: Temperature data for Miyoshi 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 Miyoshi

In Miyoshi in September, the precipitation amount is 248 mm (9.8 in) distributed over 16 days.

September Precipitation Trends in Miyoshi

The chart displays monthly precipitation patterns in Miyoshi, 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 Miyoshi, September typically receives around 248 mm (9.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec55771181331582143761982482526165
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Miyoshi

In Miyoshi in September humidity is 85%. With an average temperature of 23°C (74°F), this humidity feels like a thick, steamy blanket wrapping around you, making outdoor activities draining and sweaty, and leaving you longing for a cool breeze or a refreshing drink to ease the discomfort while traveling.

September Average Humidity in Miyoshi

This chart illustrates the average monthly humidity levels in Miyoshi, 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 Miyoshi is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Miyoshi

In Miyoshi 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 Miyoshi.

Maximum UV Index Levels in Miyoshi for September

The chart shows the monthly maximum UV Index (UVI) for Miyoshi 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 Miyoshi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210764
Data source: Miyoshi 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 Miyoshi Compares to Other Months

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

This table compares monthly weather conditions in Miyoshi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)55 mm (2.2 inches)74%moderate
February Weather5°C (41°F)77 mm (3.0 inches)70%high
March Weather9°C (49°F)118 mm (4.6 inches)70%very high
April Weather13°C (56°F)133 mm (5.2 inches)76%extreme
May Weather18°C (65°F)158 mm (6.2 inches)82%extreme
June Weather21°C (71°F)214 mm (8.4 inches)86%extreme
July Weather25°C (78°F)376 mm (14.8 inches)91%extreme
August Weather27°C (81°F)198 mm (7.8 inches)88%extreme
September Weather23°C (74°F)248 mm (9.8 inches)85%very high
October Weather18°C (64°F)252 mm (9.9 inches)82%high
November Weather11°C (53°F)61 mm (2.4 inches)79%high
December Weather6°C (43°F)65 mm (2.6 inches)77%moderate

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