September Weather in Itako, Japan

Last updated: August 23, 2025

In September, the average temperature in Itako, Japan hovers around 24°C (75°F), perfect for a variety of activities. Expect minimums dipping to 16°C (61°F) and highs reaching up to 33°C (91°F). However, be prepared for 176 mm (6.9 in) of precipitation spread over approximately 17 days, contributing to an average humidity of 83%. Embrace the tropical vibes and stay hydrated!

September Temperature in Itako

In September in Itako, the average temperature is 24°C (75°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 16°C (61°F). This pleasant climate makes Itako an ideal destination for travelers looking to enjoy a comfortable outdoor experience.

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

The chart illustrates September temperature patterns in Itako, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itako, September typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 16°C (61°F).

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

September Precipitation in Itako

In Itako in September, the precipitation amount is 176 mm (6.9 in) spread over 17 days.

September Precipitation Trends in Itako

The chart displays monthly precipitation patterns in Itako, 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 Itako, September typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 17 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 Itako

In Itako in September, humidity is 83%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket enveloping you, which can be quite stifling for traveling. You may find yourself frequently seeking shade or air conditioning, and it's wise to stay hydrated while exploring.

September Average Humidity in Itako

This chart illustrates the average monthly humidity levels in Itako, 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 Itako is approximately 83%, 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 Itako

In Itako 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 Itako.

Maximum UV Index Levels in Itako for September

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

Data source: Itako 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 Itako Compares to Other Months

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

This table compares monthly weather conditions in Itako, 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)	55 mm (2.2 inches)	70%	moderate
February Weather	7°C (45°F)	52 mm (2.0 inches)	69%	moderate
March Weather	11°C (51°F)	145 mm (5.7 inches)	68%	high
April Weather	14°C (57°F)	123 mm (4.8 inches)	73%	very high
May Weather	19°C (66°F)	138 mm (5.4 inches)	81%	very high
June Weather	21°C (71°F)	158 mm (6.2 inches)	88%	extreme
July Weather	25°C (77°F)	207 mm (8.2 inches)	94%	extreme
August Weather	27°C (81°F)	100 mm (3.9 inches)	87%	very high
September Weather	24°C (75°F)	176 mm (6.9 inches)	83%	very high
October Weather	19°C (67°F)	258 mm (10.1 inches)	78%	high
November Weather	14°C (58°F)	110 mm (4.3 inches)	74%	moderate
December Weather	9°C (48°F)	76 mm (3.0 inches)	72%	moderate