September Weather in Murayama, Japan

Last updated: August 23, 2025

In September, the average temperature in Murayama, Japan hovers around 20°C (68°F), making it a pleasant time to visit. However, temperatures can vary significantly, with a minimum of 6°C (43°F) and peaking at a warm 33°C (92°F). Visitors should also be prepared for approximately 127 mm (5.0 in) of precipitation spread over 15 days, leading to an average humidity level of 86%.

September Temperature in Murayama

In September in Murayama, the average temperature is 20°C (68°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 6°C (43°F). This makes it a great time for travelers to enjoy a variety of outdoor activities, from sunbathing to exploring the local scenery, while being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Murayama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Murayama, September typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Murayama

In Murayama in September, the total precipitation amount is 127 mm (5.0 in) distributed over 15 days.

September Precipitation Trends in Murayama

The chart displays monthly precipitation patterns in Murayama, 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 Murayama, September typically receives around 127 mm (5.0 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 Murayama

In Murayama in September, humidity is 86%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities challenging and necessitating frequent breaks for hydration and shade while traveling.

September Average Humidity in Murayama

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

In Murayama 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 Murayama.

Maximum UV Index Levels in Murayama for September

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

Data source: Murayama 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 Murayama Compares to Other Months

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

This table compares monthly weather conditions in Murayama, 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)	102 mm (4.0 inches)	80%	moderate
February Weather	0°C (32°F)	88 mm (3.5 inches)	79%	moderate
March Weather	4°C (40°F)	116 mm (4.6 inches)	77%	high
April Weather	9°C (49°F)	114 mm (4.5 inches)	75%	very high
May Weather	15°C (60°F)	106 mm (4.2 inches)	80%	very high
June Weather	19°C (66°F)	109 mm (4.3 inches)	87%	very high
July Weather	23°C (73°F)	222 mm (8.7 inches)	92%	extreme
August Weather	24°C (76°F)	209 mm (8.2 inches)	92%	extreme
September Weather	20°C (68°F)	127 mm (5.0 inches)	86%	very high
October Weather	14°C (57°F)	173 mm (6.8 inches)	82%	high
November Weather	8°C (46°F)	68 mm (2.7 inches)	79%	moderate
December Weather	2°C (35°F)	117 mm (4.6 inches)	80%	moderate