September Weather in Ebetsu, Japan

Last updated: August 23, 2025

In September, the average temperature in Ebetsu, Japan hovers around 18°C (65°F), offering a pleasant climate for visitors. Expect minimum temperatures of 6°C (43°F) and occasional highs reaching 29°C (85°F). Be prepared for some rain, as 107 mm (4.2 in) of precipitation can fall over about 13 days, contributing to the region's average humidity of 88%.

September Temperature in Ebetsu

In September in Ebetsu, the average temperature is 18°C (65°F). The maximum can reach 29°C (85°F), while the minimum can drop to as low as 6°C (43°F). This mild weather makes it an ideal time for travelers to explore outdoor activities and enjoy local attractions.

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

The chart illustrates September temperature patterns in Ebetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ebetsu, September typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Ebetsu

In Ebetsu in September, the total precipitation amount is 107 mm (4.2 in) distributed over a span of 13 days.

September Precipitation Trends in Ebetsu

The chart displays monthly precipitation patterns in Ebetsu, 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 Ebetsu, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 13 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 Ebetsu

In Ebetsu in September, humidity is 88%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sticky and the air thick, which can be quite tiring when exploring the area.

September Average Humidity in Ebetsu

This chart illustrates the average monthly humidity levels in Ebetsu, 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 Ebetsu is approximately 88%, 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 Ebetsu

In Ebetsu in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ebetsu.

Maximum UV Index Levels in Ebetsu for September

The chart shows the monthly maximum UV Index (UVI) for Ebetsu 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 Ebetsu typically reaches 8, which falls under the very high exposure category.

Data source: Ebetsu 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 Ebetsu Compares to Other Months

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

This table compares monthly weather conditions in Ebetsu, 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 (24°F)	42 mm (1.7 inches)	84%	low
February Weather	-4°C (25°F)	52 mm (2.0 inches)	83%	moderate
March Weather	1°C (35°F)	75 mm (3.0 inches)	81%	high
April Weather	6°C (44°F)	78 mm (3.1 inches)	81%	high
May Weather	12°C (55°F)	84 mm (3.3 inches)	86%	very high
June Weather	16°C (61°F)	105 mm (4.1 inches)	87%	very high
July Weather	20°C (69°F)	102 mm (4.0 inches)	93%	very high
August Weather	21°C (71°F)	177 mm (7.0 inches)	95%	very high
September Weather	18°C (65°F)	107 mm (4.2 inches)	88%	very high
October Weather	12°C (54°F)	111 mm (4.4 inches)	83%	moderate
November Weather	6°C (42°F)	102 mm (4.0 inches)	79%	moderate
December Weather	-1°C (30°F)	66 mm (2.6 inches)	80%	low