September Weather in Matsubase, Japan

Last updated: August 23, 2025

In Matsubase, Japan, the average temperature in September is a pleasant 24°C (76°F). During this time, temperatures can vary, with minimums dipping to 14°C (57°F) and maximums soaring to 34°C (93°F). Rainfall is quite common, with an average precipitation of 171 mm (6.7 in) spread over 14 days. Expect a humid climate, as the average humidity remains high at 84%. Enjoy your time in Matsubase!

September Temperature in Matsubase

In September in Matsubase, the average temperature is 24°C (76°F). Maximums can reach 34°C (93°F), and minimums can be as low as 14°C (57°F). This pleasant weather makes Matsubase an ideal destination for travelers seeking comfort and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Matsubase, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Matsubase, September typically has an average temperature of 24°C (76°F), with highs reaching up to 34°C (93°F) and lows dropping to around 14°C (57°F).

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

September Precipitation in Matsubase

In Matsubase in September, the precipitation amount is 171 mm (6.7 in) over the course of 14 days.

September Precipitation Trends in Matsubase

The chart displays monthly precipitation patterns in Matsubase, 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 Matsubase, September typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 14 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 Matsubase

In Matsubase 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 Matsubase

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

In Matsubase 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 Matsubase.

Maximum UV Index Levels in Matsubase for September

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

Data source: Matsubase 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 Matsubase Compares to Other Months

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

This table compares monthly weather conditions in Matsubase, 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 (44°F)	63 mm (2.5 inches)	75%	moderate
February Weather	7°C (45°F)	105 mm (4.2 inches)	71%	high
March Weather	11°C (52°F)	143 mm (5.6 inches)	71%	very high
April Weather	15°C (59°F)	135 mm (5.3 inches)	78%	extreme
May Weather	19°C (67°F)	207 mm (8.1 inches)	84%	extreme
June Weather	23°C (73°F)	280 mm (11.0 inches)	86%	extreme
July Weather	26°C (79°F)	406 mm (16.0 inches)	92%	extreme
August Weather	27°C (82°F)	238 mm (9.4 inches)	91%	extreme
September Weather	24°C (76°F)	171 mm (6.7 inches)	84%	extreme
October Weather	19°C (67°F)	117 mm (4.6 inches)	83%	very high
November Weather	13°C (56°F)	76 mm (3.0 inches)	81%	high
December Weather	8°C (47°F)	84 mm (3.3 inches)	79%	moderate