September Weather in Cape Coast, Ghana

Last updated: August 21, 2025

In September, Cape Coast, Ghana, experiences a warm coastal climate characterized by maximum temperatures reaching 27°C (81°F) and a comfortable average of 25°C (77°F). The weather is notably humid, with levels hovering around 92%, making the air feel warm and sticky. Rainfall is frequent during this month, accumulating to about 92 mm (3.6 in) over approximately 19 days, leading to lush landscapes and vibrant greenery. Visitors should prepare for both sunshine and showers, ensuring an enriching experience in this bustling seaside city.

September Temperature in Cape Coast

In September, Cape Coast, Ghana, experiences a gentle transition as temperatures exhibit a slight dip compared to the peak of summer. The minimum temperature hovers around a comfortable 23°C (74°F), while the average settles at 25°C (77°F), and the maximum reaches a pleasant 27°C (81°F). This pattern marks a subtle shift from the warmer months, providing a refreshing reprieve from the heat, especially as the humidity begins to ease. Overall, September presents itself as a delightful time to explore the coastal beauty of Cape Coast, with mild temperatures making outdoor activities both enjoyable and inviting.

September Weather in Cape Coast: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cape Coast, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cape Coast, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818282828179777677798182
Data source: Temperature data for Cape Coast 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 Cape Coast

September in Cape Coast, Ghana, marks a noteworthy transition in the rainy season, with precipitation reaching 92 mm (3.6 in) over approximately 19 wet days. This month sees a significant uptick in rainfall, contrasting sharply with the preceding months of August and July, which are notably drier. As the coastal landscape absorbs the generous September showers, the about 19 days of rainfall contribute to the region's lush greenery and vibrant ecosystems. This increase in precipitation not only supports the local agriculture, crucial for the community's livelihoods but also sets the stage for October's even higher rainfall, hinting at the rhythmic dance of Ghana’s tropical climate.

September Precipitation Trends in Cape Coast

The chart displays monthly precipitation patterns in Cape Coast, 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 Cape Coast, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1631556417327511441921167041
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cape Coast

September in Cape Coast, Ghana, marks a peak in humidity, reaching 92%—a notable rise from the preceding months and setting the stage for the onset of the wet season. This increase reflects a clear trend as humidity levels turn up significantly from August's 90%. The relentless tropical climate contributes to this sticky atmosphere, creating a muggy sensation as the region transitions into more pronounced rainfall. Following September, humidity slightly subsides in October to 89%, hinting at the gradual shift into drier months ahead. Overall, these figures highlight a distinctive pattern wherein humidity escalates dramatically from mid-year, creating an environment that is quintessentially tropical and full of life.

September Average Humidity in Cape Coast

This chart illustrates the average monthly humidity levels in Cape Coast, 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 Cape Coast is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%74%76%77%81%82%83%90%92%89%81%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cape Coast

As September rolls into Cape Coast, Ghana, residents and visitors can expect a high UV Index of 12, categorizing the sun exposure as extreme. This trend remains consistent with the previous months, where April to August also showcased similar UV levels, reinforcing a pattern of intense sun exposure during this season. In fact, the sustained high UV levels from February through September signal that outdoor enthusiasts should remain vigilant, as even minimal sun exposure during this time can result in a burn time of just 10 minutes. Being aware of these conditions is vital for safeguarding skin health while enjoying the stunning coastal scenery. For more detailed insights, check out the full details on the Cape Coast UV Index.

Maximum UV Index Levels in Cape Coast for September

The chart shows the monthly maximum UV Index (UVI) for Cape Coast 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 Cape Coast typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111214131211121212109
Data source: Cape Coast 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 Cape Coast

September in Cape Coast, Ghana, basks in a warm embrace of sunshine, accumulating 292 hours of glorious sunlight. This month showcases a slight dip from the peak brightness of August, which recorded 308 hours, but still stands strong in the annual lineup. The trend of the preceding months highlights a vibrant summer, with sunshine hours soaring in March and April, reaching over 300 hours consistently until August. As the year progresses into the autumn months, October promises to follow closely behind, with a forecast of 302 hours, ensuring that Cape Coast remains a sunlit paradise for exploration and relaxation.

Monthly Sunshine Duration in Cape Coast: September Highlighted

The September sunshine duration represents the total number of hours Cape Coast 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.
JanFebMarAprMayJunJulAugSepOctNovDec254h279h306h307h299h256h303h308h292h302h307h317h
Data source: Cape Coast September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cape Coast During September

In September, Cape Coast, Ghana, experiences a 23% chance of sunny weather, continuing the trend of generally lower sunshine probabilities seen in the preceding months of the rainy season. The likelihood of clear skies remains modest, similar to August's 23% and significantly less than the bright days of January and December, which boast chances upwards of 55%. As the wet season lingers, visitors should prepare for overcast skies and the possibility of rainfall, contrasting sharply with the sunnier months at the beginning and end of the year. Despite this, the rich cultural tapestry and vibrant atmosphere of Cape Coast still shine through, making each cloudy day just as enchanting as a sunny one.

Percentage of Sunny Days in September in Cape Coast

The chart illustrates the percentage of sunny days in Cape Coast 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 Cape Coast experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%52%35%40%34%17%33%23%23%35%51%56%
Data source: Cape Coast September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cape Coast in September

In September, Cape Coast, Ghana, enjoys a generous 12 hours of daylight, continuing a steady trend that began in March and persisted through the summer months. This consistent duration of daylight not only bathes the city in warm, golden sunlight but also allows for an abundance of outdoor activities and exploration. As the year progresses, daylight begins its gradual decline, dropping to 11 hours in both October and the following months. September stands out as a transition point in the year, where the vibrant energy of summer lingers just before the shift toward the shorter days of the latter part of the year.

Average Daylight Hours in Cape Coast for September

The chart illustrates the variation in daylight duration in Cape Coast throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 50m11h 56m12h 4m12h 13m12h 20m12h 23m12h 22m12h 15m12h 7m11h 59m11h 52m11h 49m
Data source: Cape Coast daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cape Coast

As September rolls into Cape Coast, Ghana, the winds begin to calm slightly after a summer of breezy activity. With an average wind speed of 3.8 m/s (8 mph), September mirrors the gentle feel of May and June, indicating a transition toward the quieter months of the year. This dip follows a brief surge in summer winds during July and August, which featured average speeds of around 4.1 to 4.2 m/s (9 to 10 mph). The shifting patterns signify a gradual slowing as the year progresses, leading into the softer breezes typically felt in the subsequent months. Overall, September invites a tranquil atmosphere, making it a lovely time for beach strolls and reflective moments by the shore.

Average September Wind Speed in Cape Coast

The chart displays monthly wind speed patterns in Cape Coast, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.24.43.83.83.64.24.13.8 m/s3.73.53.3
Data source: Cape Coast September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cape Coast Compares to Other Months

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

In September, the weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 25°C (77°F), peaking at a maximum of 27°C (81°F). This month also sees a significant amount of rainfall, totaling 92 mm (3.6 in) over 19 days, along with high humidity levels at 92%. In contrast, January experiences slightly hotter conditions, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F) and an average of 27°C (81°F). Additionally, January is markedly drier, with only 16 mm (0.6 in) of precipitation over just 4 days, and humidity levels drop to 73%. For more details on January weather in the area, you can visit Cape Coast weather in January.

In comparing the weather between September and February, notable differences emerge. September experiences a slightly cooler temperature range with a minimum of 23°C (74°F) and an average of 25°C (77°F), while February is warmer, boasting a minimum of 25°C (77°F) and an average of 28°C (82°F). Additionally, February tends to be drier, with only 31 mm (1.2 in) of precipitation over 10 days compared to September's 92 mm (3.6 in) over 19 days. The humidity is also more comfortable in February at 74%, compared to a higher 92% in September. For more detailed information on February weather specifically, check out this link: Cape Coast weather in February.

When comparing the weather between September and March, a few notable differences emerge. September tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), while March records higher temperatures with a minimum of 25°C (77°F) and a maximum of 30°C (86°F). In terms of precipitation, September is wetter, receiving 92 mm (3.6 in) of rainfall over about 19 days, whereas March experiences only 55 mm (2.2 in) of rain over 15 days. Additionally, the humidity in September is significantly higher at 92%, compared to a more comfortable 76% in March. For more details on March weather, you can check Cape Coast weather in March.

When comparing the weather in September and April, April generally enjoys warmer temperatures, with minimums starting at 25°C (77°F) and averaging 28°C (82°F), peaking at 30°C (86°F). In contrast, September's temperatures are slightly cooler, with lows of 23°C (74°F) and an average of 25°C (77°F). Moreover, April experiences considerably less rainfall, accumulating 64 mm (2.5 in) over 17 rainy days compared to September's 92 mm (3.6 in) over 19 days. Additionally, the humidity is more manageable in April at 77%, whereas September's humidity levels rise to a steamy 92%. For a closer look at April weather specifics, you can check Cape Coast weather in April.

When comparing the weather in September and May, we can observe some notable differences. September features a milder temperature range, with minimums around 23°C (74°F) and a maximum of 27°C (81°F), while May is warmer, starting at a minimum of 25°C (76°F) and reaching up to 30°C (86°F). Additionally, September tends to be wetter, with 92 mm (3.6 in) of rainfall over 19 days, compared to May's 173 mm (6.8 in) across 26 days. The humidity is higher in September at 92%, compared to 81% in May, contributing to a more oppressive atmosphere during that month. For a detailed look at Cape Coast weather in May, you can visit Cape Coast weather in May.

In comparing the weather patterns of September and June, September features slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 25°C (77°F), compared to June’s minimum of 24°C (75°F) and average of 26°C (80°F). While both months are humid, September's humidity stands at 92%, slightly above June's 82%. However, June is notably wetter, receiving 275 mm (10.8 in) of rainfall over 26 days, contrasting sharply with September's 92 mm (3.6 in) across 19 days. This indicates that while both months are warm, September is drier and more pleasant for outdoor activities. For more specifics on June weather, visit Cape Coast weather in June.

When comparing the weather between September and July, we find that both months feature similar temperature ranges, with a minimum of 23°C (74°F), an average of 25°C (77°F), and a maximum of 27°C (81°F). However, September experiences slightly lower precipitation at 92 mm (3.6 in) compared to July's 114 mm (4.5 in), although both months record precipitation on 19 days. Humidity levels also differ, with September being more humid at 92%, while July has a slightly lower humidity of 83%. For a more detailed look at July's weather, you can visit Cape Coast weather in July.

In comparing the weather between August and September, we see a slight increase in temperature, with September averaging 25°C (77°F) compared to August's 24°C (76°F). Both months maintain a minimum temperature of around 23°C (73°F/74°F), but September reaches a maximum of 27°C (81°F), slightly higher than August's 26°C (80°F). However, September is notably wetter, receiving 92 mm (3.6 in) of precipitation over 19 days, while August experiences only 41 mm (1.6 in) over 10 days. Humidity levels are also higher in September at 92%, compared to August's 90%. For more detailed insights, you can visit Cape Coast weather in August.

In September, the weather is warm with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F) and an overall average of 25°C (77°F). The month experiences significant rainfall, totaling 92 mm (3.6 in) over 19 days, contributing to a high humidity level of 92%.

In contrast, October sees slightly higher temperatures, with a minimum of 24°C (76°F) and a maximum of 28°C (83°F), leading to an average of 26°C (79°F). However, October also brings increased precipitation, with 116 mm (4.6 in) falling over 26 days, and humidity remains elevated at 89%. The transition from September to October reflects a gradual warming trend, accompanied by a rise in rainfall. For detailed insights into how October weather specifically affects Cape Coast, visit Cape Coast weather in October.

In September, the weather is warm with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), accompanied by high humidity levels at 92%. The month experiences considerable rainfall, totaling 92 mm (3.6 in) over 19 days. In contrast, November sees slightly higher temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), while the average remains consistent at 27°C (81°F). Rainfall is lower in November, with 70 mm (2.8 in) recorded over 22 days, and humidity decreases to 81%. For more detailed information, you can check Cape Coast weather in November.

In September, the weather is warm and humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F) and an average of 25°C (77°F). This month experiences significant precipitation, with a total of 92 mm (3.6 in) over approximately 19 days, contributing to a high humidity level of 92%.

In contrast, December brings slightly warmer temperatures, with a minimum of 25°C (77°F), an average of 28°C (82°F), and a maximum of 30°C (86°F). The rainfall decreases to 41 mm (1.6 in), falling on about 15 days, and humidity drops to 78%. For more detailed insights into the weather in December, you can check Cape Coast weather in December.

Overall, December tends to be warmer and less humid, making it a more comfortable time of year compared to the humid and wetter conditions of September.

Compare Cape Coast's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cape Coast

As September unfolds in Cape Coast, the weather takes on a distinct character, marked by higher humidity levels and frequent rainfall. While maximum temperatures remain mild, averaging around 25°C, the increased moisture in the air can make the heat feel more intense than in drier months. This month also sees a notable uptick in precipitation, with rain gracing nearly two-thirds of the days, contributing to lush landscapes. Overall, September serves as a beautiful reminder of the region's tropical climate, offering a unique experience distinct from the drier spell of the preceding months. For a deeper dive into what to expect, explore the detailed insights on the local climate at Cape Coast Climate.