September Weather in Hagi, Japan

Last updated: August 23, 2025

In Hagi, Japan, the average temperature in September hovers around 24°C (75°F). Expect minimums of 15°C (60°F) and maximums reaching up to 34°C (94°F). With precipitation totaling 235 mm (9.3 in) over approximately 14 days, the climate is quite humid, showcasing an average humidity level of 84%.

September Temperature in Hagi

In September in Hagi, the average temperature is 24°C (75°F). Maximums can reach 34°C (94°F), and minimums can be as low as 15°C (60°F). This pleasant climate makes it an ideal destination for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Hagi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hagi, September typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (94°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Hagi

In Hagi in September, the total precipitation amount is 235 mm (9.3 in) spread over 14 days.

September Precipitation Trends in Hagi

The chart displays monthly precipitation patterns in Hagi, 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 Hagi, September typically receives around 235 mm (9.3 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Hagi

In Hagi in September humidity is 84%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it essential for travelers to stay hydrated and plan outdoor activities for early mornings or late afternoons when the heat is more bearable.

September Average Humidity in Hagi

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

In Hagi 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 Hagi.

Maximum UV Index Levels in Hagi for September

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

Data source: Hagi 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 Hagi Compares to Other Months

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

This table compares monthly weather conditions in Hagi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	78 mm (3.1 inches)	76%	moderate
February Weather	7°C (44°F)	89 mm (3.5 inches)	72%	moderate
March Weather	11°C (51°F)	144 mm (5.7 inches)	69%	very high
April Weather	14°C (58°F)	115 mm (4.5 inches)	75%	extreme
May Weather	19°C (66°F)	117 mm (4.6 inches)	84%	extreme
June Weather	22°C (72°F)	187 mm (7.4 inches)	88%	extreme
July Weather	26°C (79°F)	313 mm (12.3 inches)	95%	extreme
August Weather	28°C (82°F)	254 mm (10.0 inches)	93%	extreme
September Weather	24°C (75°F)	235 mm (9.3 inches)	84%	very high
October Weather	19°C (66°F)	129 mm (5.1 inches)	79%	high
November Weather	13°C (56°F)	51 mm (2.0 inches)	76%	high
December Weather	8°C (47°F)	88 mm (3.5 inches)	75%	moderate