September Weather in Faleasao, American Samoa

Last updated: August 22, 2025

In Faleasao, American Samoa, the average temperature in September hovers around 27°C (80°F), with a comfortable minimum of 24°C (76°F) and a warm maximum of 28°C (83°F). During this month, you can expect 93 mm (3.7 in) of precipitation spread over 20 days, resulting in an average humidity of 84%.

September Temperature in Faleasao

In September in Faleasao, the average temperature is 27°C (80°F), with maximums reaching 28°C (83°F) and minimums dipping to 24°C (76°F). This mild climate makes it an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Faleasao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Faleasao, September typically has an average temperature of 27°C (80°F), with highs reaching up to 28°C (83°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Faleasao

In Faleasao in September, the total precipitation amount is 93 mm (3.7 in) over a span of 20 days.

September Precipitation Trends in Faleasao

The chart displays monthly precipitation patterns in Faleasao, 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 Faleasao, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 20 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 Faleasao

In Faleasao in September, humidity is 84%. With an average temperature of 27°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel sluggish and exhausting.

September Average Humidity in Faleasao

This chart illustrates the average monthly humidity levels in Faleasao, 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 Faleasao 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 Faleasao

In Faleasao in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Faleasao, you can check here.

Maximum UV Index Levels in Faleasao for September

The chart shows the monthly maximum UV Index (UVI) for Faleasao 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 Faleasao typically reaches 14, which falls under the extreme exposure category.

Data source: Faleasao 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 Faleasao Compares to Other Months

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

This table compares monthly weather conditions in Faleasao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	285 mm (11.2 inches)	79%	extreme
February Weather	27°C (81°F)	457 mm (18.0 inches)	80%	extreme
March Weather	27°C (82°F)	188 mm (7.4 inches)	79%	extreme
April Weather	27°C (82°F)	241 mm (9.5 inches)	79%	extreme
May Weather	27°C (81°F)	200 mm (7.9 inches)	80%	extreme
June Weather	27°C (81°F)	138 mm (5.4 inches)	80%	very high
July Weather	27°C (80°F)	134 mm (5.3 inches)	81%	very high
August Weather	27°C (80°F)	111 mm (4.4 inches)	83%	extreme
September Weather	27°C (80°F)	93 mm (3.7 inches)	84%	extreme
October Weather	27°C (80°F)	196 mm (7.7 inches)	84%	extreme
November Weather	27°C (81°F)	263 mm (10.3 inches)	82%	extreme
December Weather	27°C (81°F)	372 mm (14.6 inches)	81%	extreme