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September Weather in Koko, Nigeria

Last updated: August 27, 2025

In September, the average temperature in Koko, Nigeria hovers around 25°C (78°F), with daily highs reaching up to 32°C (90°F) and lows dipping to a balmy 22°C (72°F). Despite the warmth, the region experiences considerable precipitation, tallying 463 mm (18.2 in) across 29 days. Coupled with an average humidity level of 91%, it's a month that blends warmth with a refreshing, if not soggy, atmosphere.

September Temperature in Koko

In September in Koko, the average temperature is 25°C (78°F). Maximums can reach 32°C (90°F) and minimums can be as low as 22°C (72°F). This mild climate makes it an ideal destination for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Koko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koko, September typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec818382818179777778798081
Data source: Temperature data for Koko 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 Koko

In Koko in September, the total precipitation amount reaches 463 mm (18.2 in) over the course of 29 days.

September Precipitation Trends in Koko

The chart displays monthly precipitation patterns in Koko, 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 Koko, September typically receives around 463 mm (18.2 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec437019122430036133531846334117655
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Koko

In Koko in September, humidity is 91%. With an average temperature of 25°C (78°F), this humidity feels like a warm, sticky embrace, making travel feel heavy and sluggish as you navigate through the air thick with moisture.

September Average Humidity in Koko

This chart illustrates the average monthly humidity levels in Koko, 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 Koko is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%65%72%78%82%83%84%89%91%90%84%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Koko

In Koko 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 Koko.

Maximum UV Index Levels in Koko for September

The chart shows the monthly maximum UV Index (UVI) for Koko 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 Koko typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011111412111112121199
Data source: Koko 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 Koko Compares to Other Months

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

This table compares monthly weather conditions in Koko, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)43 mm (1.7 inches)67%very high
February Weather28°C (83°F)70 mm (2.7 inches)65%extreme
March Weather28°C (82°F)191 mm (7.5 inches)72%extreme
April Weather27°C (82°F)224 mm (8.8 inches)78%extreme
May Weather27°C (81°F)300 mm (11.8 inches)82%extreme
June Weather26°C (79°F)361 mm (14.2 inches)83%extreme
July Weather25°C (78°F)335 mm (13.2 inches)84%extreme
August Weather25°C (78°F)318 mm (12.5 inches)89%extreme
September Weather25°C (78°F)463 mm (18.2 inches)91%extreme
October Weather26°C (79°F)341 mm (13.4 inches)90%extreme
November Weather27°C (80°F)176 mm (6.9 inches)84%very high
December Weather27°C (81°F)54 mm (2.1 inches)77%very high

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