September Weather in Ozu, Japan

Last updated: August 23, 2025

In September, the average temperature in Ozu, Japan hovers around 25°C (77°F), making it a delightful time to explore. The temperature can fluctuate from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), offering a range of warm days. Expect about 187 mm (7.3 in) of precipitation spread over 15 days, and be prepared for high humidity, averaging at 84%.

September Temperature in Ozu

In September in Ozu, the average temperature is 25°C (77°F). Maximums can reach 35°C (96°F) and minimums can be as low as 15°C (59°F). This makes Ozu an ideal destination for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Ozu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ozu, September typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Ozu

In Ozu in September, the total precipitation amount is 187 mm (7.3 in) spread over a period of 15 days.

September Precipitation Trends in Ozu

The chart displays monthly precipitation patterns in Ozu, 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 Ozu, September typically receives around 187 mm (7.3 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 Ozu

In Ozu in September, humidity is 84%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities challenging and prompting travelers to seek shade and stay hydrated.

September Average Humidity in Ozu

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

In Ozu 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 Ozu.

Maximum UV Index Levels in Ozu for September

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

Data source: Ozu 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 Ozu Compares to Other Months

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

This table compares monthly weather conditions in Ozu, 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 (44°F)	53 mm (2.1 inches)	75%	moderate
February Weather	7°C (45°F)	84 mm (3.3 inches)	71%	high
March Weather	11°C (53°F)	129 mm (5.1 inches)	71%	very high
April Weather	15°C (60°F)	126 mm (4.9 inches)	78%	very high
May Weather	20°C (68°F)	149 mm (5.9 inches)	84%	extreme
June Weather	23°C (74°F)	204 mm (8.0 inches)	86%	extreme
July Weather	27°C (80°F)	353 mm (13.9 inches)	92%	extreme
August Weather	28°C (83°F)	184 mm (7.3 inches)	91%	extreme
September Weather	25°C (77°F)	187 mm (7.3 inches)	84%	very high
October Weather	20°C (68°F)	191 mm (7.5 inches)	83%	high
November Weather	14°C (57°F)	59 mm (2.3 inches)	81%	high
December Weather	9°C (48°F)	64 mm (2.5 inches)	79%	moderate