September Weather in Minamishimabara, Japan

Last updated: August 23, 2025

In September in Minamishimabara, Japan, the average temperature hovers around 25°C (78°F), offering a pleasant climate. However, temperatures can range from a cool 16°C (62°F) to a sizzling 35°C (94°F). Expect some rain, with an average precipitation amount of 228 mm (9.0 in) spread over 15 days. With an average humidity of 84%, be prepared for a little extra moisture in the air!

September Temperature in Minamishimabara

In September in Minamishimabara, the average temperature is 25°C (78°F). Maximums can reach 35°C (94°F), and minimums can be as low as 16°C (62°F). This pleasant climate makes Minamishimabara an ideal destination for travelers seeking mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Minamishimabara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Minamishimabara, September typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (94°F) and lows dropping to around 16°C (62°F).

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

September Precipitation in Minamishimabara

In Minamishimabara in September, the total precipitation amount is 228 mm (9.0 in), distributed over 15 days.

September Precipitation Trends in Minamishimabara

The chart displays monthly precipitation patterns in Minamishimabara, 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 Minamishimabara, September typically receives around 228 mm (9.0 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 Minamishimabara

In Minamishimabara in September, humidity is 84%. With an average temperature of 25°C (78°F), this humidity feels like a warm, muggy embrace that can be quite stifling for traveling, making you crave cool breezes and plenty of hydration as you explore.

September Average Humidity in Minamishimabara

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

In Minamishimabara in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Minamishimabara.

Maximum UV Index Levels in Minamishimabara for September

The chart shows the monthly maximum UV Index (UVI) for Minamishimabara 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 Minamishimabara typically reaches 11, which falls under the extreme exposure category.

Data source: Minamishimabara 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 Minamishimabara Compares to Other Months

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

This table compares monthly weather conditions in Minamishimabara, 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 (46°F)	53 mm (2.1 inches)	75%	moderate
February Weather	8°C (48°F)	92 mm (3.6 inches)	71%	high
March Weather	12°C (55°F)	145 mm (5.7 inches)	71%	very high
April Weather	16°C (62°F)	135 mm (5.3 inches)	78%	extreme
May Weather	21°C (69°F)	214 mm (8.4 inches)	84%	extreme
June Weather	24°C (75°F)	262 mm (10.3 inches)	86%	extreme
July Weather	27°C (82°F)	475 mm (18.7 inches)	92%	extreme
August Weather	29°C (85°F)	303 mm (11.9 inches)	91%	extreme
September Weather	25°C (78°F)	228 mm (9.0 inches)	84%	extreme
October Weather	21°C (69°F)	120 mm (4.7 inches)	83%	high
November Weather	15°C (59°F)	80 mm (3.1 inches)	81%	high
December Weather	10°C (49°F)	89 mm (3.5 inches)	79%	moderate