September Weather in Kawamoto, Japan

Last updated: August 23, 2025

In Kawamoto, Japan, the average temperature in September is a pleasant 23°C (73°F). However, temperatures can vary significantly, with a minimum of 13°C (56°F) and reaching up to 34°C (94°F). Expect a fair amount of rain during this month, with 244 mm (9.6 in) of precipitation spread over 15 days. Humidity levels are relatively high, averaging around 84%, adding to the warm, tropical feel of the environment.

September Temperature in Kawamoto

In September in Kawamoto, the average temperature is 23°C (73°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 13°C (56°F). This makes Kawamoto an ideal destination for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Kawamoto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kawamoto, September typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Kawamoto

In Kawamoto in September, the total precipitation amount is 244 mm (9.6 in) spread over 15 days.

September Precipitation Trends in Kawamoto

The chart displays monthly precipitation patterns in Kawamoto, 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 Kawamoto, September typically receives around 244 mm (9.6 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 Kawamoto

In Kawamoto in September, humidity is 84%. With an average temperature of 23°C (73°F), this humidity feels like a warm, thick blanket wrapping around you, making travel slightly exhausting but also uniquely invigorating as you navigate through the vibrant atmosphere.

September Average Humidity in Kawamoto

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

In Kawamoto 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 Kawamoto.

Maximum UV Index Levels in Kawamoto for September

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

Data source: Kawamoto 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 Kawamoto Compares to Other Months

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

This table compares monthly weather conditions in Kawamoto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	94 mm (3.7 inches)	76%	moderate
February Weather	5°C (41°F)	98 mm (3.8 inches)	72%	moderate
March Weather	9°C (48°F)	131 mm (5.1 inches)	69%	very high
April Weather	13°C (56°F)	126 mm (5.0 inches)	75%	extreme
May Weather	18°C (65°F)	112 mm (4.4 inches)	84%	extreme
June Weather	21°C (70°F)	190 mm (7.5 inches)	88%	extreme
July Weather	25°C (78°F)	344 mm (13.6 inches)	95%	extreme
August Weather	27°C (81°F)	269 mm (10.6 inches)	93%	extreme
September Weather	23°C (73°F)	244 mm (9.6 inches)	84%	very high
October Weather	17°C (63°F)	155 mm (6.1 inches)	79%	high
November Weather	12°C (53°F)	56 mm (2.2 inches)	76%	moderate
December Weather	7°C (44°F)	115 mm (4.5 inches)	75%	moderate