September Weather in Tainai, Japan

Last updated: August 23, 2025

In Tainai, Japan, the average temperature in September hovers around 22°C (73°F), making it a comfortable destination for visitors. However, be prepared for temperature variations, as it can dip to a minimum of 12°C (55°F) and soar to a maximum of 36°C (96°F). Rain is also a factor, with an average precipitation of 175 mm (6.9 in) spread over 16 days. The air is notably humid, with an average humidity level of 89%, enhancing that warm, tropical feel!

September Temperature in Tainai

In September in Tainai, the average temperature is 22°C (73°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 12°C (55°F). This pleasant climate makes it an ideal time for travelers to explore the area comfortably.

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

The chart illustrates September temperature patterns in Tainai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tainai, September typically has an average temperature of 22°C (73°F), with highs reaching up to 36°C (96°F) and lows dropping to around 12°C (55°F).

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

September Precipitation in Tainai

In Tainai in September, the total precipitation amount is 175 mm (6.9 in) over the course of 16 days.

September Precipitation Trends in Tainai

The chart displays monthly precipitation patterns in Tainai, 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 Tainai, September typically receives around 175 mm (6.9 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 Tainai

In Tainai in September humidity is 89%. With average temperature 22°C (73°F), this humidity feels like a warm, steamy embrace that clings to your skin, making traveling somewhat uncomfortable as you navigate the thick air and perspiration.

September Average Humidity in Tainai

This chart illustrates the average monthly humidity levels in Tainai, 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 Tainai is approximately 89%, 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 Tainai

In Tainai in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Tainai.

Maximum UV Index Levels in Tainai for September

The chart shows the monthly maximum UV Index (UVI) for Tainai 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 Tainai typically reaches 9, which falls under the very high exposure category.

Data source: Tainai 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 Tainai Compares to Other Months

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

This table compares monthly weather conditions in Tainai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	203 mm (8.0 inches)	88%	moderate
February Weather	3°C (37°F)	171 mm (6.7 inches)	86%	moderate
March Weather	7°C (44°F)	147 mm (5.8 inches)	81%	high
April Weather	11°C (52°F)	140 mm (5.5 inches)	78%	very high
May Weather	17°C (63°F)	135 mm (5.3 inches)	81%	very high
June Weather	21°C (69°F)	141 mm (5.5 inches)	88%	very high
July Weather	25°C (78°F)	317 mm (12.5 inches)	92%	very high
August Weather	27°C (80°F)	281 mm (11.1 inches)	92%	extreme
September Weather	22°C (73°F)	175 mm (6.9 inches)	89%	very high
October Weather	17°C (62°F)	179 mm (7.1 inches)	87%	high
November Weather	11°C (52°F)	194 mm (7.6 inches)	85%	moderate
December Weather	5°C (41°F)	267 mm (10.5 inches)	86%	moderate