September Weather in Kakogawa, Japan

Last updated: August 23, 2025

In September, the average temperature in Kakogawa, Japan is a pleasant 25°C (77°F). Expect temperatures to range from a cool 17°C (62°F) to a warm 31°C (89°F). During this month, you can anticipate about 223 mm (8.8 in) of precipitation spread over 14 days, with an average humidity of 87%.

September Temperature in Kakogawa

In September in Kakogawa, the average temperature is 25°C (77°F), with maximums reaching 31°C (89°F) and minimums dropping as low as 17°C (62°F). This pleasant climate makes it an ideal time to explore and enjoy outdoor activities in Kakogawa.

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

The chart illustrates September temperature patterns in Kakogawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kakogawa, September typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (89°F) and lows dropping to around 17°C (62°F).

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

September Precipitation in Kakogawa

In Kakogawa in September, the total precipitation amount is 223 mm (8.8 in) over a span of 14 days, indicating a significant rainfall during that period.

September Precipitation Trends in Kakogawa

The chart displays monthly precipitation patterns in Kakogawa, 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 Kakogawa, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Kakogawa

In Kakogawa 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 Kakogawa

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

In Kakogawa 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 Kakogawa.

Maximum UV Index Levels in Kakogawa for September

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

Data source: Kakogawa 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 Kakogawa Compares to Other Months

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

This table compares monthly weather conditions in Kakogawa, 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)	43 mm (1.7 inches)	82%	moderate
February Weather	6°C (44°F)	53 mm (2.1 inches)	79%	high
March Weather	10°C (50°F)	106 mm (4.2 inches)	73%	very high
April Weather	13°C (57°F)	129 mm (5.1 inches)	74%	extreme
May Weather	18°C (65°F)	136 mm (5.4 inches)	84%	extreme
June Weather	22°C (71°F)	151 mm (6.0 inches)	86%	extreme
July Weather	26°C (79°F)	310 mm (12.2 inches)	92%	extreme
August Weather	28°C (82°F)	186 mm (7.3 inches)	92%	extreme
September Weather	25°C (77°F)	223 mm (8.8 inches)	87%	very high
October Weather	20°C (68°F)	235 mm (9.2 inches)	85%	high
November Weather	14°C (58°F)	46 mm (1.8 inches)	84%	moderate
December Weather	9°C (49°F)	59 mm (2.3 inches)	82%	moderate