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September Weather in Port Loko, Sierra Leone

Last updated: August 31, 2025

In Port Loko, Sierra Leone, the average temperature in September hovers around 25°C (78°F), with a comfortable minimum of 22°C (72°F) and a pleasant maximum of 33°C (92°F). However, be prepared for quite a bit of rain, as precipitation averages 551 mm (21.7 in) over 29 days, paired with a high average humidity of 89%. Stay hydrated and enjoy the warmth!

September Temperature in Port Loko

In September in Port Loko, the average temperature is 25°C (78°F). Maximums can reach up to 33°C (92°F), while minimums can dip as low as 22°C (72°F). Overall, it's a great time to enjoy outdoor activities and explore the sights in Port Loko.

September Weather in Port Loko: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port Loko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Loko, September typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec818283838179777778797981
Data source: Temperature data for Port Loko generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Port Loko

In Port Loko in September, the total precipitation amount is 551 mm (21.7 in) spread over 29 days.

September Precipitation Trends in Port Loko

The chart displays monthly precipitation patterns in Port Loko, 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 Port Loko, September typically receives around 551 mm (21.7 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec39197320644465770255230415525
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port Loko

In Port Loko in September, humidity is 89%. With an average temperature of 25°C (78°F), this humidity feels like a warm, dense blanket enveloping you, making travel slightly uncomfortable as you sweat and struggle to keep cool while exploring the local sights.

September Average Humidity in Port Loko

This chart illustrates the average monthly humidity levels in Port Loko, 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 Port Loko is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%72%73%78%80%84%84%90%89%86%79%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Port Loko

In Port Loko 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 Port Loko.

Maximum UV Index Levels in Port Loko for September

The chart shows the monthly maximum UV Index (UVI) for Port Loko 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 Port Loko typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10101112131213131312109
Data source: Port Loko 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 Port Loko Compares to Other Months

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

This table compares monthly weather conditions in Port Loko, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)3 mm (0.1 inches)65%very high
February Weather28°C (83°F)9 mm (0.4 inches)72%very high
March Weather28°C (83°F)19 mm (0.7 inches)73%extreme
April Weather28°C (83°F)73 mm (2.9 inches)78%extreme
May Weather27°C (82°F)206 mm (8.1 inches)80%extreme
June Weather26°C (79°F)444 mm (17.5 inches)84%extreme
July Weather25°C (77°F)657 mm (25.9 inches)84%extreme
August Weather25°C (77°F)702 mm (27.6 inches)90%extreme
September Weather25°C (78°F)551 mm (21.7 inches)89%extreme
October Weather26°C (79°F)304 mm (12.0 inches)86%extreme
November Weather26°C (80°F)155 mm (6.1 inches)79%very high
December Weather27°C (81°F)25 mm (1.0 inches)70%very high

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