September Weather in Kasaoka, Japan

Last updated: August 23, 2025

In Kasaoka, Japan, the average temperature in September hovers around 25°C (77°F), providing a pleasant climate for visitors. However, be prepared for temperature fluctuations, with lows of 15°C (60°F) and highs reaching 35°C (95°F). Rainfall is common, with an average precipitation of 180 mm (7.1 in) occurring over 11 days. Additionally, the air tends to be quite humid, with an average humidity level of 87%, adding to the climate's tropical feel.

September Temperature in Kasaoka

In September in Kasaoka, the average temperature is 25°C (77°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop to as low as 15°C (60°F). This pleasant climate makes Kasaoka an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Kasaoka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasaoka, September typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Kasaoka

In Kasaoka in September, the total precipitation amount is 180 mm (7.1 in) spread over 11 days.

September Precipitation Trends in Kasaoka

The chart displays monthly precipitation patterns in Kasaoka, 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 Kasaoka, September typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 11 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 Kasaoka

In Kasaoka 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 Kasaoka

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

In Kasaoka 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 Kasaoka.

Maximum UV Index Levels in Kasaoka for September

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

Data source: Kasaoka 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 Kasaoka Compares to Other Months

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

This table compares monthly weather conditions in Kasaoka, 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)	38 mm (1.5 inches)	82%	moderate
February Weather	7°C (44°F)	53 mm (2.1 inches)	79%	moderate
March Weather	11°C (51°F)	93 mm (3.7 inches)	73%	very high
April Weather	15°C (59°F)	122 mm (4.8 inches)	74%	very high
May Weather	20°C (68°F)	112 mm (4.4 inches)	84%	extreme
June Weather	23°C (74°F)	147 mm (5.8 inches)	86%	extreme
July Weather	27°C (81°F)	291 mm (11.4 inches)	92%	extreme
August Weather	29°C (85°F)	152 mm (6.0 inches)	92%	extreme
September Weather	25°C (77°F)	180 mm (7.1 inches)	87%	very high
October Weather	20°C (68°F)	173 mm (6.8 inches)	85%	high
November Weather	14°C (57°F)	32 mm (1.3 inches)	84%	moderate
December Weather	9°C (48°F)	45 mm (1.8 inches)	82%	moderate