September Weather in Yabu, Japan

Last updated: August 23, 2025

The average temperature in Yabu, Japan during September is a comfortable 23°C (74°F), with temperatures ranging from a cool 13°C (56°F) to a warm 34°C (94°F). Expect about 259 mm (10.2 in) of rainfall spread over 18 days, contributing to an average humidity of 87%. Don't forget to pack your umbrella and stay hydrated!

September Temperature in Yabu

In September in Yabu, the average temperature is 23°C (74°F). Maximum temperatures can reach 34°C (94°F), while the minimum can drop to as low as 13°C (56°F). This makes Yabu a great destination for travelers looking to enjoy warm weather with a comfortable range of temperatures.

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

The chart illustrates September temperature patterns in Yabu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yabu, September typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (94°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Yabu

In Yabu in September, the precipitation amount is 259 mm (10.2 in) over the course of 18 days.

September Precipitation Trends in Yabu

The chart displays monthly precipitation patterns in Yabu, 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 Yabu, September typically receives around 259 mm (10.2 inches) of precipitation spread over approximately 18 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 Yabu

In Yabu in September, humidity is 87%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace that can quickly wear you down while traveling, making even short walks feel exhausting and necessitating frequent breaks for hydration and cool air.

September Average Humidity in Yabu

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

In Yabu 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 Yabu.

Maximum UV Index Levels in Yabu for September

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

Data source: Yabu 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 Yabu Compares to Other Months

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

This table compares monthly weather conditions in Yabu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	89 mm (3.5 inches)	82%	moderate
February Weather	4°C (40°F)	89 mm (3.5 inches)	79%	high
March Weather	8°C (47°F)	137 mm (5.4 inches)	73%	very high
April Weather	13°C (55°F)	140 mm (5.5 inches)	74%	very high
May Weather	18°C (65°F)	127 mm (5.0 inches)	84%	extreme
June Weather	21°C (70°F)	209 mm (8.2 inches)	86%	extreme
July Weather	26°C (79°F)	339 mm (13.4 inches)	92%	extreme
August Weather	27°C (82°F)	273 mm (10.8 inches)	92%	extreme
September Weather	23°C (74°F)	259 mm (10.2 inches)	87%	very high
October Weather	18°C (64°F)	218 mm (8.6 inches)	85%	high
November Weather	12°C (53°F)	69 mm (2.7 inches)	84%	moderate
December Weather	6°C (44°F)	116 mm (4.6 inches)	82%	moderate