September Weather in Yatsuomachi-higashikumisaka, Japan

Last updated: August 23, 2025

In September, the average temperature in Yatsuomachi-higashikumisaka, Japan is a pleasant 20°C (68°F). However, temperatures can fluctuate between a cool 7°C (45°F) and a warm 31°C (88°F). Expect significant rainfall, with 246 mm (9.7 in) of precipitation over 18 days, contributing to an average humidity level of 84%.

September Temperature in Yatsuomachi-higashikumisaka

In September in Yatsuomachi-higashikumisaka, the average temperature is 20°C (68°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 7°C (45°F). This makes it an ideal time to explore the sights while enjoying comfortable weather.

September Weather in Yatsuomachi-higashikumisaka: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Yatsuomachi-higashikumisaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yatsuomachi-higashikumisaka, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Yatsuomachi-higashikumisaka

In Yatsuomachi-higashikumisaka in September, the total precipitation amount is 246 mm (9.7 in) spread over 18 days.

September Precipitation Trends in Yatsuomachi-higashikumisaka

The chart displays monthly precipitation patterns in Yatsuomachi-higashikumisaka, 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 Yatsuomachi-higashikumisaka, September typically receives around 246 mm (9.7 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 Yatsuomachi-higashikumisaka

In Yatsuomachi-higashikumisaka in September humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

September Average Humidity in Yatsuomachi-higashikumisaka

This chart illustrates the average monthly humidity levels in Yatsuomachi-higashikumisaka, 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 Yatsuomachi-higashikumisaka 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 Yatsuomachi-higashikumisaka

In Yatsuomachi-higashikumisaka 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 Yatsuomachi-higashikumisaka.

Maximum UV Index Levels in Yatsuomachi-higashikumisaka for September

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

Data source: Yatsuomachi-higashikumisaka 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 Yatsuomachi-higashikumisaka Compares to Other Months

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

This table compares monthly weather conditions in Yatsuomachi-higashikumisaka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	197 mm (7.8 inches)	80%	moderate
February Weather	0°C (31°F)	184 mm (7.3 inches)	78%	high
March Weather	4°C (40°F)	191 mm (7.5 inches)	76%	very high
April Weather	9°C (49°F)	203 mm (8.0 inches)	77%	very high
May Weather	15°C (60°F)	181 mm (7.1 inches)	85%	extreme
June Weather	18°C (65°F)	233 mm (9.2 inches)	89%	extreme
July Weather	23°C (73°F)	395 mm (15.6 inches)	93%	extreme
August Weather	24°C (76°F)	297 mm (11.7 inches)	92%	extreme
September Weather	20°C (68°F)	246 mm (9.7 inches)	84%	very high
October Weather	14°C (57°F)	244 mm (9.6 inches)	81%	high
November Weather	8°C (46°F)	139 mm (5.5 inches)	77%	moderate
December Weather	2°C (36°F)	229 mm (9.0 inches)	79%	moderate