September Weather in Yoshitomi, Japan

Last updated: August 23, 2025

The average temperature in Yoshitomi, Japan during September is a pleasant 24°C (76°F). You'll experience a range of temperatures, with minimums dipping to 16°C (62°F) and maximums soaring to 33°C (91°F). Be prepared for some rain, as the area sees about 173 mm (6.8 in) of precipitation over 15 days, coupled with an average humidity level of 84%.

September Temperature in Yoshitomi

In September in Yoshitomi, the average temperature is 24°C (76°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 16°C (62°F). This makes it an ideal time for travelers to enjoy outdoor activities while experiencing comfortable weather.

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

The chart illustrates September temperature patterns in Yoshitomi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yoshitomi, 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 16°C (62°F).

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

September Precipitation in Yoshitomi

In Yoshitomi in September, the precipitation amount is 173 mm (6.8 in) during a span of 15 days.

September Precipitation Trends in Yoshitomi

The chart displays monthly precipitation patterns in Yoshitomi, 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 Yoshitomi, September typically receives around 173 mm (6.8 inches) of precipitation spread over approximately 15 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 Yoshitomi

In Yoshitomi in September humidity is 84%. With an average temperature of 24°C (76°F), this humidity feels like a warm, damp embrace that can make outdoor activities feel sticky and uncomfortable, requiring frequent breaks in the shade and plenty of hydration for travelers.

September Average Humidity in Yoshitomi

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

In Yoshitomi 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 Yoshitomi.

Maximum UV Index Levels in Yoshitomi for September

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

Data source: Yoshitomi 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 Yoshitomi Compares to Other Months

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

This table compares monthly weather conditions in Yoshitomi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	52 mm (2.0 inches)	75%	moderate
February Weather	6°C (44°F)	71 mm (2.8 inches)	71%	high
March Weather	11°C (51°F)	122 mm (4.8 inches)	71%	very high
April Weather	15°C (59°F)	114 mm (4.5 inches)	78%	extreme
May Weather	20°C (68°F)	156 mm (6.2 inches)	84%	extreme
June Weather	23°C (74°F)	194 mm (7.6 inches)	86%	extreme
July Weather	27°C (80°F)	329 mm (13.0 inches)	92%	extreme
August Weather	28°C (83°F)	224 mm (8.8 inches)	91%	extreme
September Weather	24°C (76°F)	173 mm (6.8 inches)	84%	extreme
October Weather	19°C (67°F)	138 mm (5.4 inches)	83%	high
November Weather	13°C (56°F)	47 mm (1.9 inches)	81%	high
December Weather	8°C (46°F)	59 mm (2.3 inches)	79%	moderate