September Weather in Hofu, Japan

Last updated: August 23, 2025

In Hofu, Japan, the average temperature in September is a pleasant 24°C (76°F). Expect a range where the minimum can dip to 17°C (63°F) and the maximum can rise to 32°C (89°F). Be prepared for precipitation, which averages 216 mm (8.5 in) over 12 days this month, and anticipate a high humidity level of 84% that adds to the tropical feel!

September Temperature in Hofu

In September in Hofu, the average temperature is 24°C (76°F). Maximums can reach 32°C (89°F), while minimums can drop to as low as 17°C (63°F). This pleasant weather makes it an ideal time for travelers to explore the sights and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Hofu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hofu, September typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (89°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Hofu

In Hofu in September, the precipitation amount is 216 mm (8.5 in) over the course of 12 days.

September Precipitation Trends in Hofu

The chart displays monthly precipitation patterns in Hofu, 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 Hofu, September typically receives around 216 mm (8.5 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 Hofu

In Hofu 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 Hofu

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

In Hofu 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 Hofu.

Maximum UV Index Levels in Hofu for September

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

Data source: Hofu 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 Hofu Compares to Other Months

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

This table compares monthly weather conditions in Hofu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	59 mm (2.3 inches)	75%	moderate
February Weather	7°C (45°F)	82 mm (3.2 inches)	71%	moderate
March Weather	11°C (51°F)	130 mm (5.1 inches)	71%	very high
April Weather	14°C (58°F)	135 mm (5.3 inches)	78%	extreme
May Weather	19°C (66°F)	160 mm (6.3 inches)	84%	extreme
June Weather	22°C (72°F)	200 mm (7.9 inches)	86%	extreme
July Weather	26°C (79°F)	321 mm (12.6 inches)	92%	extreme
August Weather	28°C (82°F)	227 mm (8.9 inches)	91%	extreme
September Weather	24°C (76°F)	216 mm (8.5 inches)	84%	very high
October Weather	20°C (68°F)	130 mm (5.1 inches)	83%	high
November Weather	14°C (58°F)	43 mm (1.7 inches)	81%	high
December Weather	9°C (49°F)	63 mm (2.5 inches)	79%	moderate