September Weather in Zushi, Japan

Last updated: August 23, 2025

In September, the average temperature in Zushi, Japan hovers around 24°C (75°F). Expect minimums dipping to 18°C (65°F) and maximums soaring to 29°C (84°F). With 208 mm (8.2 in) of precipitation spread over 17 days, be prepared for some wet weather. Humidity levels are notably high at 86%, adding to the tropical feel of the season.

September Temperature in Zushi

In September in Zushi, the average temperature is 24°C (75°F). Maximums can reach 29°C (84°F) and minimums can be as low as 18°C (65°F). This pleasant weather makes it an ideal time for travel and outdoor activities.

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

The chart illustrates September temperature patterns in Zushi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zushi, September typically has an average temperature of 24°C (75°F), with highs reaching up to 29°C (84°F) and lows dropping to around 18°C (65°F).

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

September Precipitation in Zushi

In Zushi in September, the precipitation amount is 208 mm (8.2 in) over the course of 17 days.

September Precipitation Trends in Zushi

The chart displays monthly precipitation patterns in Zushi, 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 Zushi, September typically receives around 208 mm (8.2 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 Zushi

In Zushi in September, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

September Average Humidity in Zushi

This chart illustrates the average monthly humidity levels in Zushi, 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 Zushi is approximately 86%, 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 Zushi

In Zushi 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 Zushi.

Maximum UV Index Levels in Zushi for September

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

Data source: Zushi 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 Zushi Compares to Other Months

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

This table compares monthly weather conditions in Zushi, 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)	64 mm (2.5 inches)	76%	moderate
February Weather	8°C (47°F)	62 mm (2.4 inches)	74%	moderate
March Weather	11°C (52°F)	172 mm (6.8 inches)	70%	very high
April Weather	14°C (58°F)	141 mm (5.5 inches)	74%	very high
May Weather	18°C (65°F)	148 mm (5.8 inches)	81%	extreme
June Weather	21°C (70°F)	197 mm (7.8 inches)	88%	extreme
July Weather	25°C (77°F)	226 mm (8.9 inches)	93%	extreme
August Weather	27°C (80°F)	129 mm (5.1 inches)	90%	extreme
September Weather	24°C (75°F)	208 mm (8.2 inches)	86%	very high
October Weather	20°C (68°F)	303 mm (11.9 inches)	83%	high
November Weather	15°C (60°F)	111 mm (4.4 inches)	80%	moderate
December Weather	11°C (52°F)	82 mm (3.2 inches)	78%	moderate