September Weather in Ama, Japan

Last updated: August 23, 2025

In September, the average temperature in Ama, Japan hovers around 24°C (76°F), with a minimum of 20°C (68°F) and a maximum reaching up to 31°C (87°F). During this period, expect about 211 mm (8.3 in) of precipitation spread over 12 days, contributing to an average humidity level of a humid 87%.

September Temperature in Ama

In September, in Ama, the average temperature is 24°C (76°F). Maximums can reach 31°C (87°F), and minimums can be as low as 20°C (68°F). This pleasant climate makes Ama an ideal destination for travelers looking to enjoy comfortable weather and outdoor activities.

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

The chart illustrates September temperature patterns in Ama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ama, September typically has an average temperature of 24°C (76°F), with highs reaching up to 31°C (87°F) and lows dropping to around 20°C (68°F).

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

September Precipitation in Ama

In Ama in September, the precipitation amount is 211 mm (8.3 in) spread over the course of 12 days.

September Precipitation Trends in Ama

The chart displays monthly precipitation patterns in Ama, 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 Ama, September typically receives around 211 mm (8.3 inches) of precipitation spread over approximately 12 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 Ama

In Ama in September, humidity is 87%. With an average temperature of 24°C (76°F), this humidity feels like a warm, clingy blanket enveloping you, making travel feel sluggish and sticky as you navigate the air thick with moisture.

September Average Humidity in Ama

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

In Ama 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 Ama.

Maximum UV Index Levels in Ama for September

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

Data source: Ama 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 Ama Compares to Other Months

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

This table compares monthly weather conditions in Ama, 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 (46°F)	120 mm (4.7 inches)	82%	moderate
February Weather	7°C (46°F)	115 mm (4.5 inches)	79%	moderate
March Weather	10°C (51°F)	124 mm (4.9 inches)	73%	high
April Weather	13°C (56°F)	111 mm (4.4 inches)	74%	very high
May Weather	17°C (63°F)	99 mm (3.9 inches)	84%	very high
June Weather	20°C (69°F)	147 mm (5.8 inches)	86%	extreme
July Weather	25°C (77°F)	248 mm (9.8 inches)	92%	extreme
August Weather	27°C (81°F)	197 mm (7.7 inches)	92%	extreme
September Weather	24°C (76°F)	211 mm (8.3 inches)	87%	very high
October Weather	20°C (68°F)	137 mm (5.4 inches)	85%	high
November Weather	15°C (59°F)	64 mm (2.5 inches)	84%	moderate
December Weather	10°C (51°F)	143 mm (5.6 inches)	82%	moderate