September Weather in Toon, Japan

Last updated: August 23, 2025

In September, the average temperature in Toon, Japan hovers around 23°C (73°F). You can expect a minimum of 12°C (54°F) and a maximum of 32°C (91°F). During this month, the region receives about 258 mm (10.1 in) of precipitation, spread over 16 days, leading to an overall average humidity of 85%.

September Temperature in Toon

In September in Toon, the average temperature is 23°C (73°F). Maximums can reach 32°C (91°F) and minimums can be as low as 12°C (54°F). This makes it an ideal time for travelers to enjoy mild weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Toon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Toon, September typically has an average temperature of 23°C (73°F), with highs reaching up to 32°C (91°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Toon

In Toon in September, the precipitation amount is 258 mm (10.1 in) over the course of 16 days.

September Precipitation Trends in Toon

The chart displays monthly precipitation patterns in Toon, 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 Toon, September typically receives around 258 mm (10.1 inches) of precipitation spread over approximately 16 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 Toon

In Toon in September, humidity is 85%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit strenuous and prompting frequent breaks for hydration.

September Average Humidity in Toon

This chart illustrates the average monthly humidity levels in Toon, 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 Toon is approximately 85%, 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 Toon

In Toon in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Toon.

Maximum UV Index Levels in Toon for September

The chart shows the monthly maximum UV Index (UVI) for Toon 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 Toon typically reaches 11, which falls under the extreme exposure category.

Data source: Toon 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 Toon Compares to Other Months

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

This table compares monthly weather conditions in Toon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	62 mm (2.4 inches)	74%	moderate
February Weather	4°C (40°F)	96 mm (3.8 inches)	70%	high
March Weather	9°C (48°F)	141 mm (5.5 inches)	70%	very high
April Weather	13°C (56°F)	147 mm (5.8 inches)	76%	very high
May Weather	18°C (65°F)	171 mm (6.7 inches)	82%	extreme
June Weather	21°C (71°F)	235 mm (9.3 inches)	86%	extreme
July Weather	25°C (78°F)	420 mm (16.6 inches)	91%	extreme
August Weather	27°C (80°F)	224 mm (8.8 inches)	88%	extreme
September Weather	23°C (73°F)	258 mm (10.1 inches)	85%	extreme
October Weather	17°C (63°F)	251 mm (9.9 inches)	82%	very high
November Weather	11°C (52°F)	69 mm (2.7 inches)	79%	high
December Weather	6°C (42°F)	77 mm (3.0 inches)	77%	moderate