September Weather in Himi, Japan

Last updated: August 23, 2025

In September, the average temperature in Himi, Japan is a comfortable 23°C (74°F). However, it can range from a cool 10°C (51°F) to a warm 36°C (98°F). Expect to experience approximately 238 mm (9.4 in) of precipitation over 18 days, contributing to an average humidity of 84%.

September Temperature in Himi

In September in Himi, the average temperature is 23°C (74°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 10°C (51°F). This diverse climate makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Himi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Himi, September typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (98°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Himi

In Himi in September, the total precipitation amount is 238 mm (9.4 in), spread over 18 days.

September Precipitation Trends in Himi

The chart displays monthly precipitation patterns in Himi, 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 Himi, September typically receives around 238 mm (9.4 inches) of precipitation spread over approximately 18 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 Himi

In Himi in September, humidity is 84%. With an average temperature of 23°C (74°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel sticky and heavy, while the air's thickness can be quite exhausting for long periods of travel.

September Average Humidity in Himi

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

In Himi in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Himi.

Maximum UV Index Levels in Himi for September

The chart shows the monthly maximum UV Index (UVI) for Himi 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 Himi typically reaches 9, which falls under the very high exposure category.

Data source: Himi 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 Himi Compares to Other Months

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

This table compares monthly weather conditions in Himi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	149 mm (5.9 inches)	80%	moderate
February Weather	4°C (39°F)	145 mm (5.7 inches)	78%	moderate
March Weather	8°C (47°F)	159 mm (6.3 inches)	76%	high
April Weather	13°C (55°F)	167 mm (6.6 inches)	77%	very high
May Weather	19°C (66°F)	124 mm (4.9 inches)	85%	very high
June Weather	22°C (72°F)	181 mm (7.1 inches)	89%	extreme
July Weather	26°C (80°F)	356 mm (14.0 inches)	93%	extreme
August Weather	28°C (83°F)	265 mm (10.4 inches)	92%	extreme
September Weather	23°C (74°F)	238 mm (9.4 inches)	84%	very high
October Weather	17°C (64°F)	196 mm (7.7 inches)	81%	high
November Weather	11°C (53°F)	124 mm (4.9 inches)	77%	moderate
December Weather	6°C (43°F)	192 mm (7.5 inches)	79%	moderate