September Weather in Ka'a'awa, United States

Last updated: June 24, 2025

In Ka'a'awa, United States, the average temperature in September hovers around 26°C (79°F), with a comfortable minimum of 22°C (72°F) and a pleasant maximum of 29°C (85°F). Expect some rain, as precipitation averages 37 mm (1.5 in) over approximately 12 days. The air is quite humid, with an average humidity level of 82%, making for a warm and slightly tropical atmosphere.

September Temperature in Ka'a'awa

In September in Ka'a'awa, the average temperature is 26°C (79°F). Maximum temperatures can reach 29°C (85°F), while minimums can be as low as 22°C (72°F). This pleasant warmth makes it an ideal time for travelers to explore the outdoors and enjoy various activities.

September Weather in Ka'a'awa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ka'a'awa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ka'a'awa, September typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (85°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Ka'a'awa generated using information from the Copernicus Climate Change Service.

September Precipitation in Ka'a'awa

In Ka'a'awa in September, the precipitation amount is 37 mm (1.5 in) over a span of 12 days.

September Precipitation Trends in Ka'a'awa

The chart displays monthly precipitation patterns in Ka'a'awa, 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 Ka'a'awa, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 12 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 Ka'a'awa

In Ka'a'awa in September, humidity is 82%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket that envelops you, making outdoor activities feel more taxing and requiring frequent breaks to stay hydrated.

September Average Humidity in Ka'a'awa

This chart illustrates the average monthly humidity levels in Ka'a'awa, 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 Ka'a'awa is approximately 82%, 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 Ka'a'awa

In Ka'a'awa 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 Ka'a'awa.

Maximum UV Index Levels in Ka'a'awa for September

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

Data source: Ka'a'awa 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 Ka'a'awa Compares to Other Months

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

This table compares monthly weather conditions in Ka'a'awa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	34 mm (1.3 inches)	78%	high
February Weather	22°C (72°F)	82 mm (3.2 inches)	79%	very high
March Weather	22°C (73°F)	89 mm (3.5 inches)	78%	extreme
April Weather	23°C (74°F)	51 mm (2.0 inches)	81%	extreme
May Weather	24°C (75°F)	44 mm (1.7 inches)	82%	extreme
June Weather	25°C (77°F)	56 mm (2.2 inches)	82%	extreme
July Weather	26°C (78°F)	39 mm (1.5 inches)	83%	extreme
August Weather	26°C (79°F)	41 mm (1.6 inches)	83%	extreme
September Weather	26°C (79°F)	37 mm (1.5 inches)	82%	extreme
October Weather	25°C (78°F)	66 mm (2.6 inches)	81%	extreme
November Weather	25°C (76°F)	48 mm (1.9 inches)	80%	very high
December Weather	23°C (74°F)	87 mm (3.4 inches)	79%	high