September Weather in Isu, Nigeria

Last updated: August 27, 2025

In September, the average temperature in Isu, Nigeria is a warm 26°C (79°F), with daily highs reaching up to 34°C (94°F) and lows dipping to 22°C (73°F). However, you might want to keep your umbrella handy, as precipitation is substantial this month, averaging 278 mm (11.0 in) over 27 days. With an average humidity of a whopping 91%, it’s safe to say that Isu offers a cozy yet soggy climate during this time!

September Temperature in Isu

In September in Isu, the average temperature is 26°C (79°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 22°C (73°F). This makes Isu an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Isu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isu, September typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec848686848280797979808283
Data source: Temperature data for Isu 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 Isu

In Isu in September, the precipitation amount is 278 mm (11.0 in) spread over 27 days, indicating a relatively wet period.

September Precipitation Trends in Isu

The chart displays monthly precipitation patterns in Isu, 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 Isu, September typically receives around 278 mm (11.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec82148109177238223224278199576
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Isu

In Isu in September, humidity is 91%. With an average temperature of 26°C (79°F), this humidity feels like navigating through an invisible blanket, making even short strolls feel laborious and leaving a sticky sheen on your skin, which can be overwhelming for travelers.

September Average Humidity in Isu

This chart illustrates the average monthly humidity levels in Isu, 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 Isu is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec21%27%52%73%84%86%87%90%91%90%81%55%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Isu

In Isu 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 Isu.

Maximum UV Index Levels in Isu for September

The chart shows the monthly maximum UV Index (UVI) for Isu 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 Isu typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011111312121211121299
Data source: Isu 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 Isu Compares to Other Months

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

This table compares monthly weather conditions in Isu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)8 mm (0.3 inches)21%very high
February Weather30°C (87°F)21 mm (0.8 inches)27%extreme
March Weather30°C (87°F)48 mm (1.9 inches)52%extreme
April Weather29°C (84°F)109 mm (4.3 inches)73%extreme
May Weather28°C (83°F)177 mm (7.0 inches)84%extreme
June Weather27°C (81°F)238 mm (9.4 inches)86%extreme
July Weather26°C (79°F)223 mm (8.8 inches)87%extreme
August Weather26°C (79°F)224 mm (8.8 inches)90%extreme
September Weather26°C (79°F)278 mm (11.0 inches)91%extreme
October Weather27°C (81°F)199 mm (7.8 inches)89%extreme
November Weather28°C (82°F)57 mm (2.2 inches)81%very high
December Weather29°C (84°F)6 mm (0.2 inches)55%very high

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