September Weather in Hitoyoshi, Japan

Last updated: August 23, 2025

In September, the average temperature in Hitoyoshi, Japan is a pleasant 23°C (74°F), with temperatures ranging from a cool 11°C (52°F) to a warm 33°C (91°F). Expect about 226 mm (8.9 in) of precipitation spread over 17 days, contributing to an average humidity level of 84%. Enjoy the warmth, but be prepared for the occasional shower!

September Temperature in Hitoyoshi

In September in Hitoyoshi, the average temperature is 23°C (74°F). Maximum temperatures can reach 33°C (91°F), while minimums can dip as low as 11°C (52°F). This makes Hitoyoshi a great destination for travelers looking to enjoy mild weather while exploring various outdoor activities.

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

The chart illustrates September temperature patterns in Hitoyoshi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hitoyoshi, September typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 11°C (52°F).

Data source: Temperature data for Hitoyoshi generated using information from the Copernicus Climate Change Service.

September Precipitation in Hitoyoshi

In Hitoyoshi in September, the precipitation amount is 226 mm (8.9 in) over the course of 17 days.

September Precipitation Trends in Hitoyoshi

The chart displays monthly precipitation patterns in Hitoyoshi, 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 Hitoyoshi, September typically receives around 226 mm (8.9 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Hitoyoshi

In Hitoyoshi in September, humidity is 84%. With an average temperature of 23°C (74°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel sticky and heavy, while the air's thickness can be quite exhausting for long periods of travel.

September Average Humidity in Hitoyoshi

This chart illustrates the average monthly humidity levels in Hitoyoshi, 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 Hitoyoshi is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hitoyoshi

In Hitoyoshi 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 Hitoyoshi.

Maximum UV Index Levels in Hitoyoshi for September

The chart shows the monthly maximum UV Index (UVI) for Hitoyoshi 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 Hitoyoshi typically reaches 11, which falls under the extreme exposure category.

Data source: Hitoyoshi 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 Hitoyoshi Compares to Other Months

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

This table compares monthly weather conditions in Hitoyoshi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	63 mm (2.5 inches)	75%	moderate
February Weather	6°C (43°F)	109 mm (4.3 inches)	71%	high
March Weather	10°C (51°F)	160 mm (6.3 inches)	71%	very high
April Weather	14°C (58°F)	153 mm (6.0 inches)	78%	very high
May Weather	18°C (66°F)	242 mm (9.5 inches)	84%	extreme
June Weather	22°C (71°F)	358 mm (14.1 inches)	86%	extreme
July Weather	25°C (77°F)	458 mm (18.0 inches)	92%	extreme
August Weather	26°C (79°F)	230 mm (9.0 inches)	91%	extreme
September Weather	23°C (74°F)	226 mm (8.9 inches)	84%	extreme
October Weather	18°C (65°F)	145 mm (5.7 inches)	83%	very high
November Weather	12°C (53°F)	92 mm (3.6 inches)	81%	high
December Weather	6°C (43°F)	86 mm (3.4 inches)	79%	moderate