September Weather in Honoka'a, United States

Last updated: June 24, 2025

In Honoka'a, United States, the average temperature in September hovers around 21°C (70°F), making it a delightful time to explore. Expect a comfortable range, with minimums dipping to 16°C (60°F) and maximums reaching 27°C (80°F). However, be prepared for some rain, as 53 mm (2.1 in) of precipitation is expected over 13 days. The air will feel quite humid, with an average humidity of 82%, so pack accordingly!

September Temperature in Honoka'a

In September in Honoka'a, the average temperature is 21°C (70°F), with maximums reaching 27°C (80°F) and minimums dropping as low as 16°C (60°F). This pleasant weather makes it an ideal time for exploring the outdoors and enjoying local attractions.

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

The chart illustrates September temperature patterns in Honoka'a, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honoka'a, September typically has an average temperature of 21°C (70°F), with highs reaching up to 27°C (80°F) and lows dropping to around 16°C (60°F).

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

September Precipitation in Honoka'a

In Honoka'a in September, the precipitation amount is 53 mm (2.1 in) over the course of 13 days.

September Precipitation Trends in Honoka'a

The chart displays monthly precipitation patterns in Honoka'a, 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 Honoka'a, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 13 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 Honoka'a

In Honoka'a in September, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

September Average Humidity in Honoka'a

This chart illustrates the average monthly humidity levels in Honoka'a, 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 Honoka'a 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 Honoka'a

In Honoka'a in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Honoka'a.

Maximum UV Index Levels in Honoka'a for September

The chart shows the monthly maximum UV Index (UVI) for Honoka'a 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 Honoka'a typically reaches 13, which falls under the extreme exposure category.

Data source: Honoka'a 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 Honoka'a Compares to Other Months

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

This table compares monthly weather conditions in Honoka'a, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	69 mm (2.7 inches)	79%	very high
February Weather	17°C (63°F)	181 mm (7.1 inches)	79%	extreme
March Weather	18°C (64°F)	146 mm (5.8 inches)	77%	extreme
April Weather	19°C (66°F)	131 mm (5.2 inches)	80%	extreme
May Weather	19°C (67°F)	87 mm (3.4 inches)	80%	extreme
June Weather	20°C (69°F)	23 mm (0.9 inches)	82%	extreme
July Weather	21°C (70°F)	31 mm (1.2 inches)	83%	extreme
August Weather	21°C (70°F)	86 mm (3.4 inches)	84%	extreme
September Weather	21°C (70°F)	53 mm (2.1 inches)	82%	extreme
October Weather	20°C (69°F)	104 mm (4.1 inches)	83%	extreme
November Weather	19°C (67°F)	71 mm (2.8 inches)	83%	very high
December Weather	18°C (65°F)	133 mm (5.2 inches)	81%	very high