September Weather in Yonago, Japan

Last updated: August 23, 2025

In Yonago, Japan, the average temperature in September is a pleasant 24°C (75°F), with a minimum of 19°C (66°F) and a maximum reaching 32°C (89°F). Expect about 207 mm (8.1 in) of precipitation spread across 16 days, contributing to an average humidity of 87%. Enjoy the warm and humid atmosphere!

September Temperature in Yonago

In September in Yonago, the average temperature is 24°C (75°F), with maximums reaching up to 32°C (89°F) and minimums dropping as low as 19°C (66°F). This makes it an ideal time for travelers looking to enjoy warm and pleasant weather.

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

The chart illustrates September temperature patterns in Yonago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yonago, 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 19°C (66°F).

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

September Precipitation in Yonago

In Yonago in September, the precipitation amount is 207 mm (8.1 in), occurring over a span of 16 days.

September Precipitation Trends in Yonago

The chart displays monthly precipitation patterns in Yonago, 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 Yonago, September typically receives around 207 mm (8.1 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Yonago

In Yonago in September, humidity is 87%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace that clings to your skin, making outdoor activities feel heavier and more exhausting, and the air thickens, leaving you longing for shade and refreshing breezes as you navigate your adventures.

September Average Humidity in Yonago

This chart illustrates the average monthly humidity levels in Yonago, 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 Yonago is approximately 87%, 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 Yonago

In Yonago 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 Yonago.

Maximum UV Index Levels in Yonago for September

The chart shows the monthly maximum UV Index (UVI) for Yonago 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 Yonago typically reaches 10, which falls under the very high exposure category.

Data source: Yonago 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 Yonago Compares to Other Months

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

This table compares monthly weather conditions in Yonago, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	157 mm (6.2 inches)	82%	moderate
February Weather	7°C (45°F)	141 mm (5.6 inches)	79%	moderate
March Weather	10°C (50°F)	137 mm (5.4 inches)	73%	high
April Weather	13°C (56°F)	123 mm (4.8 inches)	74%	very high
May Weather	18°C (64°F)	97 mm (3.8 inches)	84%	very high
June Weather	21°C (70°F)	166 mm (6.5 inches)	86%	extreme
July Weather	25°C (78°F)	237 mm (9.3 inches)	92%	extreme
August Weather	27°C (81°F)	210 mm (8.3 inches)	92%	extreme
September Weather	24°C (75°F)	207 mm (8.1 inches)	87%	very high
October Weather	19°C (67°F)	178 mm (7.0 inches)	85%	high
November Weather	14°C (58°F)	80 mm (3.2 inches)	84%	moderate
December Weather	9°C (49°F)	185 mm (7.3 inches)	82%	moderate