September Weather in Imizu, Japan

Last updated: August 23, 2025

In September, the average temperature in Imizu, Japan hovers around 22°C (73°F). However, prepare for some variability, as temperatures can dip to a minimum of 12°C (54°F) and soar to a maximum of 34°C (94°F). Expect precipitation of about 223 mm (8.8 in) over 17 days, contributing to an average humidity of 84%.

September Temperature in Imizu

In September, in Imizu, the average temperature is 22°C (73°F). The maximum can reach 34°C (94°F), while the minimum can dip as low as 12°C (54°F). This pleasant climate makes it an ideal destination for travelers seeking enjoyable weather.

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

The chart illustrates September temperature patterns in Imizu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Imizu, September typically has an average temperature of 22°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Imizu

In Imizu in September, the precipitation amount is 223 mm (8.8 in) over the course of 17 days.

September Precipitation Trends in Imizu

The chart displays monthly precipitation patterns in Imizu, 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 Imizu, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 17 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 Imizu

In Imizu in September, humidity is 84%. With an average temperature of 22°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities quite uncomfortable and necessitating frequent breaks to stay hydrated while exploring.

September Average Humidity in Imizu

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

In Imizu 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 Imizu.

Maximum UV Index Levels in Imizu for September

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

Data source: Imizu 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 Imizu Compares to Other Months

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

This table compares monthly weather conditions in Imizu, 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)	197 mm (7.8 inches)	80%	moderate
February Weather	3°C (37°F)	179 mm (7.0 inches)	78%	moderate
March Weather	7°C (45°F)	167 mm (6.6 inches)	76%	very high
April Weather	12°C (53°F)	179 mm (7.0 inches)	77%	very high
May Weather	17°C (64°F)	158 mm (6.2 inches)	85%	very high
June Weather	21°C (69°F)	190 mm (7.5 inches)	89%	extreme
July Weather	25°C (78°F)	357 mm (14.0 inches)	93%	extreme
August Weather	27°C (80°F)	264 mm (10.4 inches)	92%	extreme
September Weather	22°C (73°F)	223 mm (8.8 inches)	84%	very high
October Weather	17°C (62°F)	216 mm (8.5 inches)	81%	high
November Weather	11°C (52°F)	135 mm (5.3 inches)	77%	moderate
December Weather	5°C (42°F)	231 mm (9.1 inches)	79%	moderate