September Weather in Lanai City, United States

Last updated: June 24, 2025

In Lanai City, United States, the average temperature in September is a warm 26°C (79°F), with a comfortable minimum of 24°C (75°F) and a pleasant maximum of 29°C (84°F). The region experiences a light precipitation amount of 13 mm (0.5 in) over just 1 day, while maintaining a relatively high average humidity of 84%. Enjoy the warm, humid days as you explore this vibrant destination!

September Temperature in Lanai City

In September in Lanai City, the average temperature is 26°C (79°F), with maximums reaching 29°C (84°F) and minimums dipping to 24°C (75°F). This pleasant climate makes it an ideal time to explore the local sights and enjoy outdoor activities.

September Weather in Lanai City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lanai City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lanai City, September typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (84°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Lanai City

In Lanai City in September, the precipitation amount is 13 mm (0.5 in) over the course of 1 day.

September Precipitation Trends in Lanai City

The chart displays monthly precipitation patterns in Lanai City, 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 Lanai City, September typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 1 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 Lanai City

In Lanai City in September, humidity is 84%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting, yet the vibrant atmosphere and lush surroundings offer a refreshing allure that invites exploration.

September Average Humidity in Lanai City

This chart illustrates the average monthly humidity levels in Lanai City, 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 Lanai City 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 Lanai City

In Lanai City 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 Lanai City.

Maximum UV Index Levels in Lanai City for September

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

Data source: Lanai City 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 Lanai City Compares to Other Months

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

This table compares monthly weather conditions in Lanai City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	15 mm (0.6 inches)	78%	very high
February Weather	23°C (73°F)	48 mm (1.9 inches)	79%	very high
March Weather	23°C (74°F)	33 mm (1.3 inches)	79%	extreme
April Weather	24°C (75°F)	28 mm (1.1 inches)	82%	extreme
May Weather	24°C (76°F)	16 mm (0.6 inches)	83%	extreme
June Weather	25°C (78°F)	8 mm (0.3 inches)	84%	extreme
July Weather	26°C (79°F)	7 mm (0.3 inches)	85%	extreme
August Weather	26°C (79°F)	11 mm (0.4 inches)	85%	extreme
September Weather	26°C (79°F)	13 mm (0.5 inches)	84%	extreme
October Weather	26°C (79°F)	26 mm (1.0 inches)	83%	extreme
November Weather	25°C (78°F)	9 mm (0.3 inches)	82%	very high
December Weather	24°C (76°F)	37 mm (1.4 inches)	81%	very high