September Weather in Inami, Japan

Last updated: August 23, 2025

In September, the average temperature in Inami, Japan hovers around 25°C (77°F). Expect a minimum of 19°C (67°F) and a maximum of 30°C (86°F), making for a pleasantly warm climate. However, be prepared for some rain, as 239 mm (9.4 in) of precipitation can be expected over 16 days, accompanied by an average humidity level of 82%.

September Temperature in Inami

In September in Inami, the average temperature is 25°C (77°F). Maximums can reach 30°C (86°F), and minimums can be as low as 19°C (67°F). It's a perfect time to explore and enjoy outdoor activities while experiencing pleasant weather.

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

The chart illustrates September temperature patterns in Inami, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Inami, September typically has an average temperature of 25°C (77°F), with highs reaching up to 30°C (86°F) and lows dropping to around 19°C (67°F).

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

September Precipitation in Inami

In Inami in September, the total precipitation amount is 239 mm (9.4 in) occurring over the course of 16 days.

September Precipitation Trends in Inami

The chart displays monthly precipitation patterns in Inami, 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 Inami, September typically receives around 239 mm (9.4 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 Inami

In Inami in September, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

September Average Humidity in Inami

This chart illustrates the average monthly humidity levels in Inami, 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 Inami is approximately 82%, 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 Inami

In Inami 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 Inami.

Maximum UV Index Levels in Inami for September

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

Data source: Inami 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 Inami Compares to Other Months

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

This table compares monthly weather conditions in Inami, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	77 mm (3.0 inches)	72%	moderate
February Weather	8°C (47°F)	98 mm (3.9 inches)	69%	high
March Weather	12°C (53°F)	149 mm (5.9 inches)	69%	very high
April Weather	15°C (59°F)	148 mm (5.8 inches)	75%	very high
May Weather	19°C (66°F)	203 mm (8.0 inches)	82%	extreme
June Weather	22°C (72°F)	237 mm (9.3 inches)	87%	extreme
July Weather	26°C (78°F)	353 mm (13.9 inches)	92%	extreme
August Weather	27°C (81°F)	227 mm (8.9 inches)	86%	extreme
September Weather	25°C (77°F)	239 mm (9.4 inches)	82%	very high
October Weather	21°C (69°F)	307 mm (12.1 inches)	79%	high
November Weather	16°C (61°F)	72 mm (2.8 inches)	75%	high
December Weather	11°C (52°F)	85 mm (3.4 inches)	74%	moderate