September Weather in Greenville, Liberia

Last updated: August 23, 2025

In Greenville, Liberia, the average temperature for September is a pleasant 25°C (78°F), with minimums around 23°C (74°F) and maximums reaching 28°C (83°F). Expect substantial precipitation amounting to 587 mm (23.1 in) over 29 days, and note that the average humidity is quite high at 94%, making for a typically moist and warm atmosphere.

September Temperature in Greenville

In September in Greenville, the average temperature is 25°C (78°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop to as low as 23°C (74°F). This pleasant climate makes it an ideal destination for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Greenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenville, September typically has an average temperature of 25°C (78°F), with highs reaching up to 28°C (83°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Greenville

In Greenville in September, the total precipitation amount is 587 mm (23.1 in) spread over 29 days.

September Precipitation Trends in Greenville

The chart displays monthly precipitation patterns in Greenville, 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 Greenville, September typically receives around 587 mm (23.1 inches) of precipitation spread over approximately 29 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 Greenville

In Greenville in September humidity is 94%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel challenging as the air weighs heavily, inviting sweat to bead on your skin and leaving you feeling sticky and lethargic.

September Average Humidity in Greenville

This chart illustrates the average monthly humidity levels in Greenville, 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 Greenville is approximately 94%, 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 Greenville

In Greenville 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 Greenville.

Maximum UV Index Levels in Greenville for September

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

Data source: Greenville 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 Greenville Compares to Other Months

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

This table compares monthly weather conditions in Greenville, 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 (80°F)	91 mm (3.6 inches)	74%	extreme
February Weather	27°C (81°F)	124 mm (4.9 inches)	77%	extreme
March Weather	27°C (81°F)	157 mm (6.2 inches)	79%	extreme
April Weather	27°C (81°F)	155 mm (6.1 inches)	81%	extreme
May Weather	27°C (80°F)	341 mm (13.4 inches)	84%	extreme
June Weather	26°C (79°F)	560 mm (22.1 inches)	88%	extreme
July Weather	25°C (78°F)	284 mm (11.2 inches)	89%	extreme
August Weather	25°C (77°F)	215 mm (8.5 inches)	93%	extreme
September Weather	25°C (78°F)	587 mm (23.1 inches)	94%	extreme
October Weather	26°C (79°F)	289 mm (11.4 inches)	92%	extreme
November Weather	26°C (79°F)	180 mm (7.1 inches)	82%	extreme
December Weather	27°C (80°F)	122 mm (4.8 inches)	79%	very high