September Weather in Dar es Salaam, Tanzania

Last updated: August 28, 2025

In September, Dar es Salaam experiences pleasantly warm temperatures, with a maximum of 29°C (85°F) and an average of 25°C (78°F). The minimum temperature rarely drops below 21°C (70°F), ensuring comfortable conditions for both locals and visitors. While the month sees 14 days of rainfall, accumulating to 37 mm (1.5 in), the humidity averages a relatively high 73%, contributing to a lush, vibrant environment. This blend of warmth and moisture creates an ideal backdrop for exploring the city's rich culture and scenic landscapes.

September Temperature in Dar es Salaam

In September, Dar es Salaam experiences a delightful transition as the temperatures remain pleasantly warm, with minimums around 21°C (70°F) and average highs peaking at 29°C (85°F). This month marks a slight uptick in temperatures compared to the cooler August, yet it maintains a comfortable warmth that encourages outdoor activities. The consistent average of 25°C (78°F) makes September an appealing time for visitors looking to explore the vibrant city and its stunning coastal landscapes. Overall, as the dry season progresses, the weather becomes more inviting, setting the perfect backdrop for adventure and relaxation alike.

September Weather in Dar es Salaam: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dar es Salaam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dar es Salaam, 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).
JanFebMarAprMayJunJulAugSepOctNovDec828282807877767677798081
Data source: Temperature data for Dar es Salaam 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 Dar es Salaam

September in Dar es Salaam marks a subtle transition in the city's climate, as the rainfall totals hold steady at 37 mm (1.5 in), mirroring August's figures. With 14 days of precipitation, residents continue to experience the tail end of the dry season, where the showers are light but consistent. This pattern sets the stage for the upcoming months, as rainfall typically escalates in October and November, culminating in the peak of the rainy season. Thus, September serves as a brief pause, offering a gentle reminder of the vibrant wet season just around the corner, making it an optimal time for those seeking to enjoy the city's lush landscapes before the heavier rains begin.

September Precipitation Trends in Dar es Salaam

The chart displays monthly precipitation patterns in Dar es Salaam, 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 Dar es Salaam, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec607115731722945343737112126148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dar es Salaam

In September, Dar es Salaam experiences a dip in humidity, averaging a comfortable 73%. This marks a distinct trend as the city transitions from the wetter months of May through August, where humidity peaks at 86% and then gradually falls. As the dry season approaches, the lower humidity in September offers a refreshing contrast, allowing residents and visitors to enjoy the coastal breezes without the oppressive stickiness that often accompanies higher humidity levels earlier in the year. With the humidity steadily climbing again in October to 75%, September stands out as a brief respite, often welcoming clearer skies and pleasant weather that make it an ideal time for outdoor adventures.

September Average Humidity in Dar es Salaam

This chart illustrates the average monthly humidity levels in Dar es Salaam, 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 Dar es Salaam is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%78%76%79%86%84%80%74%73%75%84%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dar es Salaam

In September, Dar es Salaam experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This marks a continuation of the high UV levels seen throughout the year's earlier months, peaking at 15 in March before settling back to the consistent 13 seen from October to December. The month follows an August that also had an extreme rating, showing that even as the seasons transition, sun safety remains crucial. Whether you’re soaking up the sun or exploring the city, be vigilant about protection from UV rays to avoid skin damage. For more details on UV exposure, check out Dar es Salaam UV Index.

Maximum UV Index Levels in Dar es Salaam for September

The chart shows the monthly maximum UV Index (UVI) for Dar es Salaam 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 Dar es Salaam typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141210101213131313
Data source: Dar es Salaam 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 Dar es Salaam

As September rolls into Dar es Salaam, the city basks in 342 hours of sunshine, continuing the warm trend established over the previous months. This vibrant stretch of sunlight not only illustrates the tail end of the dry season but also highlights the gradual increase in daylight hours that peaks with October's impressive 351 hours. With the sun making its mark consistently from January's 287 hours to the August peak of 347 hours, September remains an ideal time for exploration and enjoyment of the outdoors, as the weather becomes increasingly inviting. As the year progresses, the residents and visitors alike can relish the radiant days that define this coastal paradise.

Monthly Sunshine Duration in Dar es Salaam: September Highlighted

The September sunshine duration represents the total number of hours Dar es Salaam 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.
JanFebMarAprMayJunJulAugSepOctNovDec287h314h328h288h310h325h338h347h342h351h344h354h
Data source: Dar es Salaam September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dar es Salaam During September

September in Dar es Salaam, Tanzania, heralds a delightful shift in weather, with a 61% chance of sunshine that perfectly captures the essence of spring. Following the dry months of July and August, which boast sunshine probabilities of 54% and 60% respectively, September marks a subtle uptick in sunny days, hinting at the transition into a warmer season. This increase continues into October, where the likelihood of sunny weather rises to 65%, further enhancing the city's vibrant atmosphere. As the year progresses, September stands out as an ideal time for outdoor activities, inviting both locals and tourists to bask in the bright, warm rays that illuminate this coastal gem.

Percentage of Sunny Days in September in Dar es Salaam

The chart illustrates the percentage of sunny days in Dar es Salaam 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 Dar es Salaam experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%30%52%22%44%53%55%60%61%65%64%48%
Data source: Dar es Salaam September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dar es Salaam in September

In September, Dar es Salaam enjoys a return to 12 hours of daylight, a refreshing change that aligns with the city's equatorial nature. This month serves as a transition, mirroring the steady daylight pattern seen earlier in the year, particularly in January and October, where the sun graces the city for the same duration. From April to August, the daylight briefly dips to 11 hours, signaling the region's subtle seasonal shifts. However, as September unfolds, the days elongate, offering locals and visitors alike a vibrant canvas of light, perfect for exploring the beautiful coastlines and lively markets of this tropical paradise. This rhythm of daylight not only highlights the charm of Dar es Salaam but also reinforces the overall equilibrium characteristic of its climate throughout the year.

Average Daylight Hours in Dar es Salaam for September

The chart illustrates the variation in daylight duration in Dar es Salaam throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 27m12h 18m12h 7m11h 56m11h 47m11h 43m11h 45m11h 52m12h 3m12h 14m12h 24m12h 29m
Data source: Dar es Salaam daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dar es Salaam

As September unfolds in Dar es Salaam, the coastal city experiences a gentle breeze with an average wind speed of 4.0 m/s (9 mph), matching the conditions of January and April. This month marks a transition from the stronger gusts of July, which peaked at 5.1 m/s (11 mph), to a more moderate flow that characterizes the latter part of the year. Following a slight dip in wind speed during October and November, which sees averages of 3.7 m/s and 3.3 m/s respectively, September maintains a balance in wind activity that keeps the atmosphere both refreshing and invigorating. Overall, this month exemplifies Dar es Salaam's unique climatic rhythm, bridging the vibrant winds of winter to the calmer breeze of the approaching rainy season.

Average September Wind Speed in Dar es Salaam

The chart displays monthly wind speed patterns in Dar es Salaam, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.53.14.04.24.35.13.84.0 m/s3.73.32.7
Data source: Dar es Salaam September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dar es Salaam Compares to Other Months

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

In September, the weather in Dar es Salaam features a warm climate with average temperatures around 25°C (78°F), dipping to a minimum of 21°C (70°F) and reaching a maximum of 29°C (85°F). The month sees about 37 mm (1.5 inches) of precipitation over 14 days, coupled with a humidity level of 73%. In contrast, January tends to be slightly hotter, with average temperatures peaking at 28°C (82°F) and maximums of 32°C (91°F), while the minimum temperature remains at 24°C (75°F). This month experiences more rainfall, with 60 mm (2.4 inches) spread across 12 days, resulting in increased humidity at 82%. For more detailed information, you can check Dar es Salaam weather in January.

September and February exhibit notable differences in weather patterns. September experiences slightly cooler temperatures, with averages around 25°C (78°F) and a maximum of 29°C (85°F), while February heats up, boasting an average of 28°C (82°F) and peaks of 33°C (91°F). Precipitation is also greater in February, totaling 71 mm (2.8 in) over 12 days compared to September's 37 mm (1.5 in) across 14 days. Humidity is relatively high in both months, with February slightly more humid at 78% compared to September's 73%. For a closer look at February's climate, check out Dar es Salaam weather in February.

When comparing the weather in September and March, there are notable differences in temperature and precipitation patterns. September tends to be milder, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 29°C (85°F), and total precipitation of 37 mm (1.5 in) over approximately 14 days of rain. In contrast, March is significantly warmer, with temperatures averaging between a minimum of 24°C (75°F) and a maximum of 33°C (91°F). March also experiences considerably more rainfall, totaling 157 mm (6.2 in) across about 20 days, accompanied by slightly higher humidity levels at 76%. For a more detailed look at March weather, visit Dar es Salaam weather in March.

In comparing the weather of September and April, one can observe notable differences in temperature, precipitation, and humidity levels. September features milder temperatures with a minimum of 21°C (70°F) and a maximum of 29°C (85°F), averaging around 25°C (78°F). In contrast, April presents warmer conditions, with a low of 23°C (73°F) and a high of 32°C (89°F), leading to an average of 27°C (80°F). Rainfall is significantly heavier in April, accumulating to 317 mm (12.5 in) over 29 days, while September sees a much lighter precipitation level of 37 mm (1.5 in) over just 14 days. Additionally, April experiences slightly higher humidity at 79% compared to September's 73%. For further details on the weather patterns during this month, visit Dar es Salaam weather in April.

When comparing the weather of September and May, we find that both months experience warm temperatures, but May tends to be slightly warmer overall. September has a minimum temperature of 21°C (70°F) and an average of 25°C (78°F), while May starts at a minimum of 22°C (72°F) and averages 26°C (79°F). The maximum temperatures in both months are quite close, with September reaching 29°C (85°F) and May hitting 30°C (86°F). However, May is markedly wetter, receiving 229 mm (9.0 in) of precipitation over 24 days, compared to September's 37 mm (1.5 in) over just 14 days. Additionally, May's humidity is higher at 86%, compared to September’s 73%. For more detailed information, you can check Dar es Salaam weather in May.

In comparing the weather of September and June, both months feature similar temperature ranges, with minimums around 21°C (70°F), averages at 25°C (78°F), and maximums peaking at 29°C (85°F). However, June experiences slightly higher humidity at 84%, compared to September’s 73%. Rainfall is also more pronounced in June, with a total of 45 mm (1.8 in) spread over 13 days, whereas September sees 37 mm (1.5 in) of precipitation over 14 days. For a more detailed view of June's conditions, you can check Dar es Salaam weather in June.

In comparing the weather of September and July, both months exhibit similar temperature ranges, with minimum temperatures around 21°C (70°F) and average highs of 29°C (85°F in September and 84°F in July). However, September experiences slightly more precipitation, totaling 37 mm (1.5 in) over 14 days, compared to July's 34 mm (1.4 in) over 12 days. Additionally, humidity levels are somewhat higher in July at 80%, while September has a lower average humidity of 73%. For a detailed look at July's weather specifics, you can visit Dar es Salaam weather in July.

When comparing the weather in September to that of August, we notice subtle similarities and slight variations. Both months experience an average temperature of 25°C (77°F), with maximum temperatures peaking at 29°C (85°F) in each case. However, September has a marginally higher minimum temperature of 21°C (70°F) compared to August's 20°C (69°F). Precipitation levels remain consistent, with both months receiving 37 mm (1.5 in) of rain over 14 days, although September sees a slight increase in humidity at 73%, compared to August's 74%. For a more detailed look at August's weather, you can explore Dar es Salaam weather in August.

In September, temperatures in Dar es Salaam generally range from a minimum of 21°C (70°F) to a maximum of 29°C (85°F), with an average of 25°C (78°F). The month sees about 37 mm (1.5 in) of precipitation spread over 14 days, and humidity levels sit around 73%. In contrast, October brings slightly warmer weather, with minimums of 22°C (72°F), averages of 26°C (79°F), and maximums reaching 30°C (87°F). However, October also experiences a significant increase in rainfall, totaling 112 mm (4.4 in) over 17 days, along with humidity rising to 75%. For more details on the climate, you can check Dar es Salaam weather in October.

In comparing the weather of September and November, we see a noticeable increase in temperature and humidity. September typically experiences average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 29°C (85°F), accompanied by moderate precipitation of 37 mm (1.5 in) over about 14 days. In contrast, November is warmer, with average temperatures between 23°C (74°F) and 31°C (89°F), and significantly higher rainfall, totaling 126 mm (5.0 in) across 21 days. The humidity also rises from 73% in September to 84% in November, making the latter month feel even more sultry. For more detailed insights, you can refer to Dar es Salaam weather in November.

When comparing the weather in September and December, noteworthy differences emerge. September typically enjoys a milder range with minimum temperatures of 21°C (70°F) and an average of 25°C (78°F), while December sees warmer conditions, with minimums around 24°C (75°F) and an average of 27°C (82°F). Rainfall also increases significantly in December, with 148 mm (5.8 in) recorded over 23 days compared to only 37 mm (1.5 in) over 14 days in September. Additionally, humidity levels rise in December to 85%, compared to 73% in September. For a more detailed look at December weather specifics, visit Dar es Salaam weather in December.

Compare Dar es Salaam's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dar es Salaam

As September rolls in, Dar es Salaam experiences a delightful transition, with a noticeable dip in humidity compared to the sticky months preceding it. The temperatures stay comfortably warm, averaging around 25°C (78°F), making outdoor activities much more enjoyable. However, the city does see some rainfall, with about 14 days of precipitation, yet the total amount remains manageable at 37 mm (1.5 in). This blend of warmth and mild rain sets September apart from the sweltering heat of the previous months, creating a more inviting atmosphere for both locals and visitors alike. For a deeper insight into the region's weather trends, explore the comprehensive details in Dar es Salaam Climate.