September Weather in Amagi, Japan

Last updated: August 23, 2025

In September, the average temperature in Amagi, Japan hovers around 24°C (76°F). Expect a minimum of 12°C (54°F) and the potential for a maximum of 35°C (95°F). During this period, the region sees an average precipitation of 189 mm (7.4 in) across 15 days, with the humidity levels reaching an impressive 84%. This creates a vibrant atmosphere, perfect for those seeking a mix of warmth and refreshing showers!

September Temperature in Amagi

In September in Amagi, the average temperature is 24°C (76°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 12°C (54°F). This mild climate makes Amagi an ideal destination for travelers looking to enjoy outdoor activities while experiencing comfortable weather.

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

The chart illustrates September temperature patterns in Amagi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amagi, September typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Amagi

In Amagi in September, the precipitation amount is 189 mm (7.4 in) spread over 15 days.

September Precipitation Trends in Amagi

The chart displays monthly precipitation patterns in Amagi, 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 Amagi, September typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 15 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 Amagi

In Amagi in September humidity is 84%. With an average temperature of 24°C (76°F), this humidity feels like a warm, damp embrace that can make outdoor activities feel sticky and uncomfortable, requiring frequent breaks in the shade and plenty of hydration for travelers.

September Average Humidity in Amagi

This chart illustrates the average monthly humidity levels in Amagi, 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 Amagi is approximately 84%, 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 Amagi

In Amagi 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 Amagi.

Maximum UV Index Levels in Amagi for September

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

Data source: Amagi 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 Amagi Compares to Other Months

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

This table compares monthly weather conditions in Amagi, 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 (42°F)	53 mm (2.1 inches)	75%	moderate
February Weather	7°C (44°F)	75 mm (2.9 inches)	71%	high
March Weather	11°C (52°F)	117 mm (4.6 inches)	71%	very high
April Weather	15°C (59°F)	112 mm (4.4 inches)	78%	extreme
May Weather	20°C (68°F)	162 mm (6.4 inches)	84%	extreme
June Weather	23°C (74°F)	200 mm (7.9 inches)	86%	extreme
July Weather	27°C (80°F)	356 mm (14.0 inches)	92%	extreme
August Weather	28°C (83°F)	269 mm (10.6 inches)	91%	extreme
September Weather	24°C (76°F)	189 mm (7.4 inches)	84%	extreme
October Weather	19°C (66°F)	115 mm (4.5 inches)	83%	high
November Weather	13°C (55°F)	50 mm (1.9 inches)	81%	high
December Weather	7°C (45°F)	61 mm (2.4 inches)	79%	moderate