September Weather in Bosaso, Somalia

Last updated: August 31, 2025

In September, Bosaso, Somalia, experiences a warm and arid climate, characterized by a maximum temperature of 39°C (103°F) and a sultry average of 32°C (90°F). Nighttime brings a slight relief with minimum temperatures dipping to 23°C (74°F), offering a brief respite from the heat. Notably, the month boasts zero precipitation, contributing to the dry conditions that may enhance the desert-like ambiance of the region. With a humidity level of 63%, the air remains moderately moist, further amplifying the warmth of this coastal city. September in Bosaso presents a striking balance of heat and dryness, typical of its vibrant, sun-soaked surroundings.

September Temperature in Bosaso

In September, Bosaso, Somalia, experiences a significant warm-up, with temperatures showcasing a blend of high and low extremes typical of the summer transition into fall. The average temperature peaks at 32°C (90°F), reflecting a comfortable warmth that still invites outdoor pursuits. Minimum temperatures of 23°C (74°F) provide a mild start to the day, while the maximum can reach a sweltering 39°C (103°F), echoing the heat of the preceding months of July and August. This trend illustrates a persistent heatwave that marks the end of summer, suggesting that September is both a bridge from the blazing heat of summer and a gentle lead-in to the cooler months ahead. As temperatures begin to soften towards October, September remains a vibrant and hot month, encapsulating the essence of Bosaso's coastal climate.

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

The chart illustrates September temperature patterns in Bosaso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bosaso, 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).
JanFebMarAprMayJunJulAugSepOctNovDec737479838691919189827774
Data source: Temperature data for Bosaso 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 Bosaso

September in Bosaso, Somalia, is characterized by an absolute absence of precipitation, marking a stark contrast to the rainfall patterns observed in the preceding months. With 0 mm of rain and no precipitation days, the typically dry conditions persist, creating an arid atmosphere as the city transitions from the summertime heat into the cooler dry season. This pattern underscores a broader trend in Bosaso, where rainfall remains relatively scarce during the summer months, only to shift significantly in October and November, when precipitation begins to increase. The clear skies of September allow for ample sunshine, yet the impending change in weather hints at the seasonal rhythms that dictate life in this coastal region.

September Precipitation Trends in Bosaso

The chart displays monthly precipitation patterns in Bosaso, 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 Bosaso, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3249181010082320
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bosaso

In September, Bosaso, Somalia, experiences a resurgence in humidity, which rises to 63% after a relatively dry summer. This month marks a shift from the drier spell of July and August, when humidity dropped significantly to 44% and 47%, respectively. Following September, humidity continues to increase sharply heading into the cooler months, reaching 79% in October and peaking at 83% in November. This pattern highlights a notable trend: as the year progresses, Bosaso shifts from considerable dryness in the summer months to a more humid atmosphere as it approaches the end of the year, reflecting the region's transition from hot summer to the wetter, cooler season.

September Average Humidity in Bosaso

This chart illustrates the average monthly humidity levels in Bosaso, 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 Bosaso is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%65%62%63%56%44%47%63%79%83%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bosaso

As September rolls into Bosaso, Somalia, residents and visitors can expect a UV Index of 13, indicating an extreme exposure category with a burn time of only 10 minutes. This pattern mirrors the summer months, where the UV index consistently remained high, peaking at 14 in March, April, and May. Despite a slight dip in June and October, the weather in these early fall months suggests that sun safety remains crucial. With persistent high UV levels throughout the year, it is essential to stay vigilant about sun protection. For more detailed information, visit Bosaso UV Index.

Maximum UV Index Levels in Bosaso for September

The chart shows the monthly maximum UV Index (UVI) for Bosaso 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 Bosaso typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314141411131313121110
Data source: Bosaso 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 Bosaso

In September, Bosaso embraces the warm embrace of the sun with 326 hours of glorious sunshine, continuing a trend of abundant daylight that has characterized the late summer months. After a summer of robust sunlight peaking at 352 hours in May, the sunlight softly tapers, yet remains consistent compared to the prior months. This slight decrease in daylight from August's 330 hours signals the gradual transition towards October, which sees a return to more sun-soaked days with 345 hours. Overall, the pattern of Bosaso's sunlight reveals a vibrant continuity, where each month blends seamlessly into the next, providing a backdrop of bright days, perfect for outdoor adventures and communal gatherings throughout the year.

Monthly Sunshine Duration in Bosaso: September Highlighted

The September sunshine duration represents the total number of hours Bosaso 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.
JanFebMarAprMayJunJulAugSepOctNovDec275h311h349h348h352h326h328h330h326h345h323h332h
Data source: Bosaso September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bosaso During September

In Bosaso, Somalia, the likelihood of sunny weather in September stands at a solid 73%, showcasing a consistent trend of relatively high sunshine chances as the year transitions from the sweltering summer months. Although July dips to its lowest point at 43%, there’s a marked recovery in August with 71%, leading into September's promising outlook. This pattern indicates that after a brief period of cloudier skies, the coastal city reliably welcomes more sunshine as the year progresses towards its final quarter. As the sunny days resume, September offers an inviting climate for outdoor activities and exploration in this vibrant coastal region.

Percentage of Sunny Days in September in Bosaso

The chart illustrates the percentage of sunny days in Bosaso 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 Bosaso experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%86%76%56%61%43%71%73%77%82%79%
Data source: Bosaso September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bosaso in September

In Bosaso, Somalia, September marks a continuation of the stable daylight duration that characterizes the region throughout the year, offering 12 hours of sunlight daily. This consistency is notable as the month transitions from the peak summer months, where daylight remains steady, back towards the shorter days of autumn. The trend of 12-hour days persists from March through September, highlighting a remarkable uniformity in daylight hours. As the year progresses into October, daylight begins to dwindle, settling back to 11 hours, which mirrors the situation at the beginning and end of the year. This rhythm reflects the region’s equatorial climate, where variations in daylight are subtle yet impactful, shaping the lifestyles of its inhabitants throughout the seasons.

Average Daylight Hours in Bosaso for September

The chart illustrates the variation in daylight duration in Bosaso throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 31m11h 45m12h 3m12h 22m12h 38m12h 45m12h 41m12h 27m12h 9m11h 51m11h 35m11h 27m
Data source: Bosaso daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bosaso

In Bosaso, Somalia, September brings a delightful shift in the wind, with average speeds reaching 3.5 m/s (8 mph). This gentle breeze follows a summer peak in July, where winds soared to 6.6 m/s (15 mph), providing a refreshing contrast to the more intense gusts experienced earlier. After the vibrant energy of the summer months, September's winds create a soothing atmosphere, perfectly complementing the coastal charm of the region. As the year transitions into the calmer months of October and November with decreasing speeds, September stands out as a month of balance, where both vitality and tranquility coexist in the coastal air.

Average September Wind Speed in Bosaso

The chart displays monthly wind speed patterns in Bosaso, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.92.72.72.54.96.64.83.5 m/s2.52.83.0
Data source: Bosaso September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bosaso Compares to Other Months

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

In September, the weather is significantly warmer, with average temperatures reaching 32°C (90°F) and maximums soaring up to 39°C (103°F), accompanied by a relatively high humidity of 63%. On the other hand, January offers a cooler climate, with average temperatures around 23°C (73°F) and maximums peaking at 30°C (86°F). While both months experience very low precipitation, January does record a slight drizzle with 3 mm (0.1 in) of rain. For a closer look at January's weather conditions, check out Bosaso weather in January.

September and February exhibit contrasting weather patterns. September features hot temperatures, with an average high of 32°C (90°F) and a maximum reaching 39°C (103°F), while February enjoys milder conditions, with an average high of 23°C (75°F) and a maximum of 30°C (87°F). Although both months experience very little precipitation, with September recording none and February only 2 mm (0.1 in), humidity levels are slightly higher in February at 68%, compared to 63% in September. For more detailed information, you can check out Bosaso weather in February.

In comparing the weather of September and March, September generally boasts higher temperatures, with average highs reaching up to 39°C (103°F) compared to March's maximum of 36°C (97°F). While September remains dry with no recorded precipitation, March experiences slight rainfall of 4 mm (0.1 in), although it also has no rainy days. Humidity levels are relatively similar, with September at 63% and March slightly higher at 65%. For more detailed information, check out the Bosaso weather in March.

In September, the weather tends to be hotter, with temperatures ranging from a minimum of 23°C (74°F) to a blistering maximum of 39°C (103°F), averaging around 32°C (90°F). Notably, this month sees no precipitation, resulting in dry conditions and a humidity level of 63%. In contrast, April presents slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 38°C (100°F), averaging 28°C (84°F). However, April experiences some rainfall, totaling 9 mm over 2 days, alongside a similar humidity level of 62%. For more details, check the Bosaso weather in April.

In comparing the weather between September and May, September generally features higher temperatures, with minimums of 23°C (74°F) and maximums reaching up to 39°C (103°F), while May has a warmer minimum temperature of 25°C (77°F) and a maximum of 37°C (99°F). Despite May being slightly cooler on average at 30°C (86°F), it experiences some precipitation, averaging 18 mm (0.7 in) over three days, whereas September stays completely dry with no recorded precipitation. Interestingly, both months share the same humidity level of 63%, creating a similarly humid atmosphere. For more detailed information, you can check out Bosaso weather in May.

In comparing the weather of September and June, September offers slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 32°C (90°F), while June has a minimum temperature of 25°C (77°F) and an average of 33°C (91°F). Both months experience maximum temperatures reaching up to 39°C (103°F), but June sees a bit of precipitation, totaling 10 mm (0.4 in), making it a bit more humid at 56%, compared to September's humidity level of 63% and a dry spell of 0 mm precipitation. For more insights on weather patterns, you can check Bosaso weather in June.

When comparing the weather in September and July, both months showcase similar high temperatures, with September averaging 32°C (90°F) and July slightly warmer at 33°C (91°F). However, September has a lower minimum temperature of 23°C (74°F), compared to July's minimum of 27°C (80°F). Both months experience minimal precipitation, with July recording 1 mm (0.1 in) of rain, while September is completely dry, featuring no precipitation at all. Interestingly, the humidity in September is significantly higher at 63%, whereas July maintains a lower humidity level of 44%. For more specific insights into July weather patterns, you can visit Bosaso weather in July.

In comparison to August, September experiences slightly cooler temperatures, with an average of 32°C (90°F) compared to August's 33°C (91°F). The minimum temperature in September is also lower at 23°C (74°F), in contrast to August's 28°C (82°F). While both months record no precipitation, September has higher humidity levels at 63%, compared to August's 47%. Overall, September offers a marginally more comfortable and less humid climate. For more details, check out Bosaso weather in August.

In September, the weather is characterized by higher temperatures, with a minimum of 23°C (74°F) and an average of 32°C (90°F), peaking at a scorching 39°C (103°F). This month enjoys a dry climate, with no recorded precipitation and a humidity level of 63%. In contrast, October sees a slight drop in temperature, with a minimum of 21°C (69°F) and an average of 28°C (82°F), while the maximum reaches 36°C (98°F). This month introduces some precipitation, totaling 8 mm (0.3 in) over two days, and the humidity rises to 79%. For more detailed insights, check out Bosaso weather in October.

In comparing the weather of September and November, a notable shift can be observed. September typically features warmer temperatures, ranging from a minimum of 23°C (74°F) to a scorching maximum of 39°C (103°F), with an average temperature of 32°C (90°F) and no recorded precipitation. In contrast, November sees cooler temperatures, with a minimum of 18°C (64°F) and a maximum of 32°C (90°F), averaging at 25°C (77°F). Additionally, November introduces some rainfall, with about 23 mm (0.9 in) spread over three days, accompanied by increased humidity levels of 83%, compared to the 63% relative humidity in September. For more detailed information, you can check Bosaso weather in November.

September and December present a striking contrast in weather conditions. In September, temperatures soar with a minimum of 23°C (74°F), averaging a high of 32°C (90°F) and peaking at 39°C (103°F), all while remaining mostly dry with 0 mm of precipitation. Humidity is moderate at 63%. In contrast, December brings cooler temperatures, with a minimum of 16°C (60°F), an average of 23°C (74°F), and a maximum of 28°C (83°F). Additionally, December experiences some rainfall, totaling 20 mm over two days, and a higher humidity level of 77%. For more detailed information, you can refer to Bosaso weather in December.

Compare Bosaso's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bosaso

As summer gives way to autumn, September in Bosaso showcases a striking climate that stands out from the rest of the year. The month enjoys consistently high temperatures averaging around 32°C (90°F), while basking in the warmth of the maximum highs reaching up to 39°C (103°F). What sets September apart is its impressive lack of rainfall, recording 0 mm of precipitation throughout the month, making it a dry period ideal for outdoor activities. Coupled with a moderate humidity level of 63%, the weather feels warm but not overly oppressive. For more insights into annual patterns and what to expect, visit Bosaso Climate.