September Weather in Minato, Japan

Last updated: August 23, 2025

In September, the average temperature in Minato, Japan is a pleasant 25°C (77°F). You can expect a minimum temperature of 15°C (60°F), while it can peak at a warm 33°C (92°F). This month also sees 203 mm (8.0 in) of precipitation spread over 15 days, contributing to an average humidity of 87%. Perfect for those who enjoy a bit of tropical flair!

September Temperature in Minato

In September in Minato, the average temperature is 25°C (77°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 15°C (60°F). This makes it an ideal time for travelers to enjoy pleasant weather while exploring the sights.

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

The chart illustrates September temperature patterns in Minato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Minato, September typically has an average temperature of 25°C (77°F), with highs reaching up to 33°C (92°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Minato

In Minato in September, the total precipitation amount is 203 mm (8.0 in), which falls over the course of 15 days.

September Precipitation Trends in Minato

The chart displays monthly precipitation patterns in Minato, 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 Minato, September typically receives around 203 mm (8.0 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 Minato

In Minato in September, humidity is 87%. With an average temperature of 25°C (77°F), this humidity feels like a thick, warm blanket enveloping you, making travel a challenge as sweat clings to your skin and the air feels heavy and stifling.

September Average Humidity in Minato

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

In Minato 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 Minato.

Maximum UV Index Levels in Minato for September

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

Data source: Minato 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 Minato Compares to Other Months

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

This table compares monthly weather conditions in Minato, 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)	82%	moderate
February Weather	7°C (44°F)	76 mm (3.0 inches)	79%	moderate
March Weather	10°C (51°F)	115 mm (4.5 inches)	74%	very high
April Weather	14°C (58°F)	128 mm (5.1 inches)	76%	extreme
May Weather	19°C (67°F)	164 mm (6.5 inches)	83%	extreme
June Weather	22°C (72°F)	199 mm (7.8 inches)	87%	extreme
July Weather	26°C (80°F)	302 mm (11.9 inches)	93%	extreme
August Weather	28°C (83°F)	178 mm (7.0 inches)	91%	extreme
September Weather	25°C (77°F)	203 mm (8.0 inches)	87%	very high
October Weather	20°C (67°F)	267 mm (10.5 inches)	85%	high
November Weather	14°C (57°F)	63 mm (2.5 inches)	83%	moderate
December Weather	9°C (48°F)	76 mm (3.0 inches)	83%	moderate