September Weather in Calabar, Nigeria

Last updated: August 27, 2025

Calabar, Nigeria, in September experiences a tropical climate characterized by warm temperatures and high humidity. With a maximum temperature reaching 33°C (91°F) and an average of about 25°C (78°F), the weather remains consistently warm. Nights can be cooler, with temperatures dropping to a minimum of 22°C (73°F). Rainfall is prominent this month, totaling 467 mm (18.4 in) over the course of 29 days, making it one of the wetter periods of the year. The humidity level hovers around an impressive 92%, creating a lush, vibrant environment typical of Calabar's rich landscape.

September Temperature in Calabar

In September, Calabar experiences a mild and comfortable climate, with temperatures showing a slight upward trend compared to the previous months. The minimum temperature hovers around 22°C (73°F), while the average settles at a pleasant 25°C (78°F). As the month progresses, the maximum temperature rises to 33°C (91°F), making it one of the warmer days in the year. This reflects a gradual transition from the cooler, rainy season of the earlier months, hinting at the warmer climes that October promises. Overall, September in Calabar is characterized by manageable heat and refreshing breezes, ideal for outdoor exploration and enjoying the lush scenery this vibrant city offers.

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

The chart illustrates September temperature patterns in Calabar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calabar, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec828382818079777778798081
Data source: Temperature data for Calabar generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Calabar

In September, Calabar experiences significant rainfall, with an impressive 467 mm (18.4 in) accumulating over 29 days. This places September as one of the wetter months of the year, following the peak rainfall in July with 510 mm (20.1 in). The month continues a trend of high precipitation that begins in May and peaks in the summer, contributing to the lush environment of the region. Notably, precipitation remains abundant even as the rainy season starts to wane, with October still seeing a hefty 366 mm (14.4 in). This consistency in rainfall not only shapes the local climate but also influences agriculture and natural ecosystems, making September a critical month in Calabar's yearly precipitation pattern.

September Precipitation Trends in Calabar

The chart displays monthly precipitation patterns in Calabar, 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 Calabar, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec386418225936934951041346736621742
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Calabar

In September, Calabar, Nigeria, experiences its peak humidity of 92%, marking a notable increase from the already high levels of the preceding months. This trend is part of a gradual rise in humidity that begins in the warmer months of April through August, where figures escalate from 79% in April to 90% in August. With the transition to September, the air becomes even more saturated, preparing the region for the seasonal shift. This sustained high humidity continues into October, creating a consistency that influences the region's climate and daily activities before a slight drop occurs in November. Overall, Calabar’s humidity showcases a distinct pattern of increasing moisture during the latter half of the year, ultimately shaping its tropical ambiance.

September Average Humidity in Calabar

This chart illustrates the average monthly humidity levels in Calabar, 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 Calabar is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%54%69%79%86%87%88%90%92%92%87%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Calabar

As September arrives in Calabar, Nigeria, the UV Index remains a noteworthy 12, reflecting an extreme exposure category with a burn time of just 10 minutes. This trend of heightened UV levels is consistent throughout the year, peaking in April at 14, while the months from January to August predominantly reflect extreme levels between 11 and 14. Notably, Calabar experiences a high UV Index also in October, indicating that the late dry season continues to pose risks for sun exposure. As you enjoy the vibrant surroundings and outdoor activities this month, remember to take necessary sun protection measures. For more detailed insights, visit Calabar UV Index.

Maximum UV Index Levels in Calabar for September

The chart shows the monthly maximum UV Index (UVI) for Calabar 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 Calabar typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111114131211111212109
Data source: Calabar 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.

September Sunshine in Calabar

As September rolls in, Calabar experiences a slight decline in sunshine, with around 200 hours of bright daylight. This marks a gentle dip following the peak sunshine months of January through April, each boasting over 240 hours of sunlight. After reaching its yearly low in August, where the city enjoyed 220 hours, September's generous warmth still outshines the cloudier months ahead. The city's sunlit glory begins to rise again in October, hinting at a return to brighter days as the year draws to a close, ultimately culminating in a dazzling 293 hours of sunlight in December.

Monthly Sunshine Duration in Calabar: September Highlighted

The September sunshine duration represents the total number of hours Calabar experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec241h262h261h249h244h239h225h220h200h212h245h293h
Data source: Calabar September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Calabar During September

As September rolls around in Calabar, Nigeria, the probability of enjoying sunny weather remains quite low, with only an 8% chance of sunshine. This trend is indicative of the overall rainy season that grips the region during the latter part of the year. Following a steep decline from the brighter days of January through to March, sunshine opportunities taper off even further, hitting their annual nadir in August and maintaining this level through September. As we transition into October, the prospects for sunny weather show little sign of improvement, staying locked at 8%. Overall, the weather in September is characterized by its overcast skies and frequent rainfall, making it a time best suited for indoor activities rather than basking in the sun.

Percentage of Sunny Days in September in Calabar

The chart illustrates the percentage of sunny days in Calabar throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Calabar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%37%20%16%10%15%9%8%8%8%23%35%
Data source: Calabar September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Calabar in September

In Calabar, Nigeria, the month of September continues a warm trend with 12 hours of daylight, echoing the consistent daylight duration experienced since March. As the year progresses, daylight starts at 11 hours in January and February, making a gradual shift to longer days in the spring and summer months. From March through August, the steady 12 hours create an inviting atmosphere for outdoor activities and exploration. As autumn approaches in October, daylight begins to wane again, returning to 11 hours, hinting at the cyclical nature of seasons in Calabar. This consistent daylight pattern not only shapes the local lifestyle but also reinforces the region's vibrant ecosystem throughout the year.

Average Daylight Hours in Calabar for September

The chart illustrates the variation in daylight duration in Calabar throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 51m11h 57m12h 4m12h 12m12h 20m12h 23m12h 21m12h 15m12h 7m11h 59m11h 52m11h 49m
Data source: Calabar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Calabar

As September sweeps in, the gentle whispers of the wind in Calabar calm at an average speed of 1.4 m/s (3 mph). This marks a subtle decline from the peak winds of early spring, where March and April enjoyed slightly brisker breezes at 1.7 m/s (4 mph). The trend throughout the latter half of the year shows a gradual tapering off, with the city's wind speed consistently hovering around the 3 mph mark from May onwards. This soothing consistency provides a perfect backdrop for the lush landscapes of Calabar, allowing residents and visitors alike to bask in the vibrant atmosphere amid the gentle cooling that September brings.

Average September Wind Speed in Calabar

The chart displays monthly wind speed patterns in Calabar, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.61.71.71.41.31.51.41.4 m/s1.31.31.3
Data source: Calabar September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Calabar Compares to Other Months

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

September and January offer contrasting weather patterns. In September, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), accompanied by high humidity at 92%. Precipitation is significant, with 467 mm (18.4 in) over 29 days, making it one of the wettest months. In contrast, January features a slightly milder minimum temperature of 18°C (65°F) but can reach up to 36°C (98°F). This month sees drastically reduced precipitation, totaling only 38 mm (1.5 in) over 9 days, and a lower humidity level of 57%. For more detailed weather information, visit Calabar weather in January.

September and February present quite distinct weather conditions. In September, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), with an average temperature of 25°C (78°F). This month is characterized by high humidity at 92% and substantial rainfall of 467 mm (18.4 in) spread over 29 days, creating a wet and steamy atmosphere.

In contrast, February experiences warmer temperatures, with a minimum of 21°C (70°F) and a maximum reaching up to 38°C (101°F), resulting in a significantly higher average of 29°C (84°F). This month is much drier, with only 64 mm (2.5 in) of precipitation over just 10 days and a reduced humidity level of 54%. These differences make September a far wetter and more humid month compared to the hot and dry conditions of February. For more detailed insights, you can explore Calabar weather in February.

In September, the weather is characterized by a relatively lower average temperature of 25°C (78°F), with maximum highs reaching 33°C (91°F). This month experiences significant rainfall, totaling 467 mm (18.4 in) across 29 days, contributing to a high humidity level of 92%. In contrast, March brings warmer conditions, with an average temperature of 28°C (83°F) and maximums soaring to 38°C (101°F). Despite the heat, March has less precipitation, recording 182 mm (7.2 in) over 27 days and lower humidity at 69%. For a closer look at the specifics, visit Calabar weather in March.

When comparing the weather in September and April, notable differences emerge in temperature, precipitation, and humidity. In September, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (91°F), with an average of 25°C (78°F). This month experiences significant rainfall, totaling 467 mm (18.4 in) over 29 days, resulting in a high humidity level of 92%. In contrast, April presents warmer conditions, with temperatures ranging from 22°C (72°F) to 36°C (96°F), and an average of 27°C (82°F). The precipitation is also less in April, at 259 mm (10.2 in) spread across 26 days, contributing to a relatively lower humidity of 79%. To explore more about April's climate specifics, Calabar weather in April provides detailed insights.

September and May feature warm temperatures, but May tends to be slightly hotter on average, with an average of 27°C (81°F) compared to September's 25°C (78°F). Both months experience high minimum temperatures of 22°C (73°F), yet September sees a maximum temperature of 33°C (91°F), just a degree cooler than May's peak of 34°C (93°F). In terms of precipitation, September is notably wetter, receiving 467 mm (18.4 in) over 29 days, compared to May’s 369 mm (14.5 in) across the same number of days. The humidity levels are also high in both months, with September at 92% and May slightly lower at 86%. For more information about the weather in May, you can visit Calabar weather in May.

In comparing the weather of September and June, we find that both months experience similar temperature ranges, with minimums around 22°C (73°F) and maximums peaking at 33°C (91°F). However, September tends to be slightly cooler on average at 25°C (78°F), compared to June's average of 26°C (79°F). Precipitation levels are notably higher in September, with 467 mm (18.4 in) falling over 29 days, whereas June sees 348 mm (13.7 in) over 28 days. Furthermore, September has a higher humidity level at 92%, compared to June's 87%. For more specific weather patterns, you can check Calabar weather in June.

In September, the weather is characterized by a slightly lower minimum temperature of 22°C (73°F) compared to July's minimum of 23°C (73°F), while the average temperatures remain the same at 25°C (78°F). However, September experiences a higher maximum temperature of 33°C (91°F), just above July's 32°C (90°F). Precipitation in September totals 467 mm (18.4 in) over 29 days, which is a slight decrease from July's 510 mm (20.1 in) over 30 days. Humidity is marginally higher in September at 92% compared to 88% in July. For more details on July weather, see Calabar weather in July.

In comparing the weather of September and August, we see that both months experience similar minimum and average temperatures, with September peaking slightly higher at 33°C (91°F) compared to August's maximum of 31°C (89°F). Interestingly, September also brings more precipitation, with 467 mm (18.4 in) versus August's 413 mm (16.3 in), despite both months having 29 days of rainfall. Humidity levels are comparable as well, with September at 92% and August at 90%. For more details on August's weather, you can check Calabar weather in August.

In September, the weather is characterized by a minimum temperature of 22°C (73°F) and an average of 25°C (78°F), with highs reaching up to 33°C (91°F). However, September also brings significant rainfall, with 467 mm (18.4 in) over 29 days, contributing to a high humidity level of 92%. In contrast, October sees slightly warmer temperatures, with a minimum of 23°C (73°F) and an average of 26°C (79°F), while still peaking at 33°C (92°F). The rainfall decreases to 366 mm (14.4 in) over 30 days, maintaining the same high humidity level of 92%. For more detailed weather information, visit Calabar weather in October.

In September, the weather is characterized by high humidity levels averaging 92%, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 33°C (91°F). The month sees substantial rainfall, totaling 467 mm (18.4 in) over 29 days, creating a lush environment. In contrast, November presents slightly warmer averages with temperatures ranging from 22°C (73°F) to 33°C (92°F), but it experiences significantly less precipitation at 217 mm (8.5 in) over 28 days. The humidity also declines to 87%, making November feel somewhat drier and more comfortable. For more details on the weather in November, visit Calabar weather in November.

September and December show significant differences in weather patterns. September typically experiences warmer temperatures, with an average of 25°C (78°F) and maximums reaching up to 33°C (91°F). This month is also characterized by high humidity at 92% and substantial rainfall of 467 mm (18.4 in) over 29 days, making it one of the wettest months. In contrast, December sees slightly cooler average temperatures at 27°C (81°F) with maximums reaching 35°C (94°F). Furthermore, December experiences much lower precipitation of 42 mm (1.7 in) over just 14 days and lower humidity at 78%. This shift from September to December signifies a transition towards drier and more stable weather conditions. For more details, you can check Calabar weather in December.

Compare Calabar's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Calabar

As September unfolds in Calabar, the weather takes on a distinctly humid character that sets it apart from other months. With average temperatures hovering around a comfortable 25°C (78°F) and maximums soaring to 33°C (91°F), the blend of warmth and moisture results in a sultry atmosphere that's palpable. Rainfall is abundant, with 29 days of precipitation leading to a total of 467 mm (18.4 in), making it one of the wettest months of the year. This significant increase in humidity—peaking at a staggering 92%—creates an environment where the air feels heavier and the landscape bursts with lush greenery. For more insights into the climatic patterns of this vibrant region, explore Calabar Climate.