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September Weather in Boi, Nigeria

Last updated: August 27, 2025

In September, the average temperature in Boi, Nigeria hovers around 23°C (74°F). However, be prepared for a range—minimums can dip to 17°C (63°F), while daytime highs may reach up to 31°C (88°F). With an average humidity of 87%, the air can feel quite muggy. Expect approximately 158 mm (6.2 in) of precipitation spread over 23 days, so don’t forget to pack your umbrella!

September Temperature in Boi

In September, in Boi, the average temperature is 23°C (74°F). Maximum temperatures can reach 31°C (88°F) while minimums can drop as low as 17°C (63°F). This pleasant climate makes it an ideal destination for travelers seeking a comfortable escape.

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

The chart illustrates September temperature patterns in Boi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boi, September typically has an average temperature of 23°C (74°F), with highs reaching up to 31°C (88°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec717481838077747373757572
Data source: Temperature data for Boi 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 Boi

In Boi in September, the precipitation amount is 158 mm (6.2 in) over a span of 23 days.

September Precipitation Trends in Boi

The chart displays monthly precipitation patterns in Boi, 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 Boi, September typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec07214701122022381585600
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Boi

In Boi in September, humidity is 87%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace that can quickly wear you down while traveling, making even short walks feel exhausting and necessitating frequent breaks for hydration and cool air.

September Average Humidity in Boi

This chart illustrates the average monthly humidity levels in Boi, 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 Boi is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec11%13%30%60%76%82%85%87%88%85%69%23%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Boi

In Boi 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 Boi.

Maximum UV Index Levels in Boi for September

The chart shows the monthly maximum UV Index (UVI) for Boi 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 Boi typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111213121212131313121010
Data source: Boi 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 Boi Compares to Other Months

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

This table compares monthly weather conditions in Boi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)0 mm (0.0 inches)11%extreme
February Weather23°C (74°F)7 mm (0.3 inches)13%extreme
March Weather27°C (81°F)2 mm (0.1 inches)30%extreme
April Weather28°C (83°F)14 mm (0.5 inches)60%extreme
May Weather27°C (80°F)70 mm (2.8 inches)76%extreme
June Weather25°C (77°F)112 mm (4.4 inches)82%extreme
July Weather23°C (74°F)202 mm (8.0 inches)85%extreme
August Weather23°C (73°F)238 mm (9.4 inches)87%extreme
September Weather23°C (74°F)158 mm (6.2 inches)87%extreme
October Weather24°C (75°F)56 mm (2.2 inches)85%extreme
November Weather24°C (75°F)0 mm (0.0 inches)69%very high
December Weather22°C (72°F)0 mm (0.0 inches)23%very high

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