September Weather in Tatsugo, Japan

Last updated: August 23, 2025

In September, the average temperature in Tatsugo, Japan hovers around 27°C (82°F), making it a delightful escape. Expect minimums of 24°C (75°F) and maximums reaching 30°C (87°F), ideal for enjoying the outdoors. However, with an average precipitation of 223 mm (8.8 in) spread over 20 days and humidity levels at 81%, be prepared for some rainy spells amidst the warmth!

September Temperature in Tatsugo

In September in Tatsugo, the average temperature is 27°C (82°F). Maximum temperatures can reach 30°C (87°F), while the minimum can dip to as low as 24°C (75°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Tatsugo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tatsugo, September typically has an average temperature of 27°C (82°F), with highs reaching up to 30°C (87°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Tatsugo

In Tatsugo in September, the precipitation amount reaches 223 mm (8.8 in) over a span of 20 days.

September Precipitation Trends in Tatsugo

The chart displays monthly precipitation patterns in Tatsugo, 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 Tatsugo, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 20 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 Tatsugo

In Tatsugo in September, humidity is 81%. With an average temperature of 27°C (82°F), this humidity feels like a warm, sticky embrace, making traveling somewhat uncomfortable as the heat clings to your skin and the air feels thick, often leaving you yearning for a refreshing breeze.

September Average Humidity in Tatsugo

This chart illustrates the average monthly humidity levels in Tatsugo, 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 Tatsugo is approximately 81%, 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 Tatsugo

In Tatsugo in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Tatsugo.

Maximum UV Index Levels in Tatsugo for September

The chart shows the monthly maximum UV Index (UVI) for Tatsugo 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 Tatsugo typically reaches 12, which falls under the extreme exposure category.

Data source: Tatsugo 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 Tatsugo Compares to Other Months

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

This table compares monthly weather conditions in Tatsugo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	98 mm (3.9 inches)	72%	high
February Weather	16°C (61°F)	114 mm (4.5 inches)	70%	very high
March Weather	18°C (65°F)	159 mm (6.3 inches)	76%	extreme
April Weather	20°C (68°F)	121 mm (4.8 inches)	82%	extreme
May Weather	23°C (73°F)	213 mm (8.4 inches)	84%	extreme
June Weather	25°C (78°F)	433 mm (17.0 inches)	87%	extreme
July Weather	28°C (82°F)	185 mm (7.3 inches)	89%	extreme
August Weather	28°C (83°F)	193 mm (7.6 inches)	84%	extreme
September Weather	27°C (82°F)	223 mm (8.8 inches)	81%	extreme
October Weather	25°C (77°F)	151 mm (5.9 inches)	79%	very high
November Weather	21°C (71°F)	121 mm (4.8 inches)	77%	very high
December Weather	18°C (65°F)	125 mm (4.9 inches)	74%	high