Last updated: August 28, 2025
September in Nungwi, Tanzania presents a warm tropical climate, with maximum temperatures reaching up to 27°C (81°F) and an average of 25°C (78°F), perfect for beach-goers. The minimum temperature stays comfortably at 23°C (74°F), ensuring pleasant evenings. However, this month also brings moderate rainfall, accumulating to 45 mm (1.8 in) over 16 days, which keeps the lush surroundings vibrant. With an average humidity level of 74%, visitors can expect a muggy atmosphere, making it an ideal time for enjoying the beautiful coastline or engaging in water sports while embracing the occasional refreshing shower.
In Nungwi, Tanzania, September brings a gentle transition as temperatures begin to cool slightly. With daily minimums around 23°C (74°F) and maximums climbing to 27°C (81°F), the month maintains a comfortable climate ideal for beach outings and exploring the stunning scenery. The average temperature settles at a moderate 25°C (78°F), reflecting a gradual shift from the warmer summer months of January through April. This pleasant weather, paired with the serene beauty of the Indian Ocean, makes September a delightful time to experience the vibrant culture and natural wonders of the region. As the year progresses, it's clear that Nungwi offers a consistently warm and inviting atmosphere, but September stands out for its alluring balance of mildness and sunshine.
As September arrives in Nungwi, Tanzania, the rainfall pattern reflects a transition from the heavier precipitation of the preceding months. With total precipitation measuring 45 mm (1.8 in) over 16 days, this month maintains a relatively moderate level of rainfall—similar to August. While there's a slight decrease compared to the substantial downpours seen in April and May, September serves as a bridge to drier conditions. Looking ahead, October is expected to bring an uptick in rainfall again, hinting at the ebb and flow of the seasons that characterize this vibrant coastal region. The combination of these trends not only shapes the local environment but also influences the rhythm of life in Nungwi, making it a captivating destination year-round.
In Nungwi, Tanzania, September marks a transition in humidity levels, with the average reaching 74%. This figure reflects a slight rise from the lower humidity months of March through August, where levels dipped as low as 69% before climbing back up. As the region shifts toward the wetter season, humidity shows an upward trend, peaking in the subsequent months of November and December at 85% and 83%, respectively. While September’s conditions may feel more comfortable than the summer's peak in June at 86%, the gradual increase signals the approach of the rainy season, blending warmth with the invigorating coastal breezes of this tropical paradise.
In September, Nungwi, Tanzania, experiences a UV Index of 13, falling under the extreme exposure category with a burn time of just 10 minutes. This marks a slight decrease from the peak of 15 in March, yet remains consistently high throughout the year, with extreme levels persisting from January to April and returning in October through December. This trend highlights the region’s intense sun exposure, making it crucial for visitors to practice adequate sun protection measures to avoid harmful effects. For detailed information on UV levels throughout the year, check out Nungwi UV Index.
UV Risk Categories
As September rolls into Nungwi, Tanzania, it brings with it an impressive 341 hours of sunshine, keeping the vibrant beach atmosphere alive. This month, while slightly cooler than August's peak of 347 hours, still boasts a wealth of golden rays, continuing the trend of abundant sunshine that characterizes the region. From January's 291 hours to December’s dazzling 359 hours, each month showcases a remarkable increase in daylight, with September solidly positioned among the sunniest months of the year. This consistent brilliance not only enhances beach outings but also underscores Nungwi as a year-round paradise for sun-seekers and adventurers alike.
In September, Nungwi, Tanzania, enjoys a delightful 65% chance of sunny weather, marking a notable upswing in brightness as the rainy season recedes. This trend towards clearer skies begins in August and continues through October, with the chance of sunshine reaching 69% in both October and November. The increasing likelihood of sun from the relatively gloomy months of April and May reflects a shift into more favorable weather patterns, making September an ideal time for sun-seekers and ocean lovers. As beachgoers flock to the stunning shores of Nungwi, they can revel in the warmth of the sun—a fitting reward for those eager to escape the dreary days of winter elsewhere.
In Nungwi, Tanzania, September marks a refreshing return to longer days, with 12 hours of daylight that embraces the sun-soaked shores. This month acts as a bridge, transitioning from the consistently shorter daylight of the mid-year months—where daylight hovers around 11 hours—back to the longer days typical of the year's beginning and end. As summer approaches, the steady increase in daylight duration hints at the vibrant energy of the coming months, encouraging both locals and travelers to soak in the natural beauty and outdoor adventures that Nungwi has to offer. This rhythmic pattern of light not only sets the pace of life here but also enhances the charm of its breathtaking sunsets and lively beach scenes.
In September, Nungwi, Tanzania experiences a gentle breeze with an average wind speed of 4.6 m/s (10 mph), marking a transition into the calmer months of the year. The winds begin to soften following a peak in July, when speeds reached a lively 6.8 m/s (15 mph), providing a vibrant atmosphere for water sports and beachfront activities. As the seasons shift, both October and November follow suit with even lighter winds at around 4.1 m/s (9 mph), creating a serene backdrop that enhances the tranquil beauty of Nungwi’s picturesque shores. This gradual decrease from the more dynamic summer winds signals a perfect time for relaxation and soaking in the stunning coastal scenery.
Weather in Nungwi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nungwi, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit similar humidity levels of 74%, but they differ in temperature and precipitation. 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). It also experiences more rainfall, with 45 mm (1.8 in) over 16 days. In contrast, January is warmer, featuring an average temperature between 25°C (78°F) and 29°C (84°F), and less precipitation, totaling 34 mm (1.3 in) over just 10 days. For more detailed insights, check out Nungwi weather in January.
September and February offer warm climates, though February tends to be slightly hotter. September features a minimum temperature of 23°C (74°F) and averages around 25°C (78°F), while February sees a higher minimum of 25°C (78°F) and an average temperature of 27°C (82°F). Both months receive similar amounts of precipitation, with September recording 45 mm (1.8 in) over 16 days and February slightly higher at 47 mm (1.8 in) over 11 days. Humidity levels are fairly comparable, with September at 74% and February at 71%. For a deeper look at February weather in Nungwi, you can refer to Nungwi weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (78°F). The month experiences 45 mm (1.8 in) of precipitation across 16 days, paired with a humidity level of 74%. In contrast, March sees warmer temperatures, starting at a minimum of 25°C (77°F) and reaching an average high of 30°C (86°F). Precipitation spikes to 122 mm (4.8 in), spread over 17 days, while humidity slightly decreases to 69%. For more detailed insights on the weather in March, you can check Nungwi weather in March.
September and April exhibit notable differences in weather patterns. September temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (78°F) and relatively modest precipitation of 45 mm (1.8 in) over 16 rainy days. In contrast, April experiences higher temperatures, with minimums of 25°C (77°F) and maximums reaching up to 30°C (86°F), averaging 27°C (81°F). However, April is much wetter, receiving 365 mm (14.4 in) of rain across 29 days. Despite this, April’s humidity is slightly lower at 70% compared to September's 74%. For more information on the weather specifics in April, you can visit Nungwi weather in April.
September and May exhibit notable differences in weather patterns. In September, the temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (78°F). The month experiences 45 mm (1.8 in) of precipitation over 16 days, accompanied by a humidity level of 74%. In contrast, May features slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 29°C (84°F), averaging 26°C (80°F). However, May is significantly wetter, receiving 329 mm (12.9 in) of rainfall across 27 days, along with higher humidity at 83%. For more detailed insights, you can visit Nungwi weather in May.
In September, the weather is slightly cooler with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), while June sees slightly warmer averages, with a minimum of 23°C (74°F) and a maximum of 28°C (83°F). September experiences less precipitation, totaling 45 mm (1.8 in) over 16 days, compared to June's higher 78 mm (3.1 in) spread across 22 days. Additionally, humidity levels are lower in September at 74%, whereas June carries a higher humidity of 86%. For more detailed insights into June's weather, you can check Nungwi weather in June.
In both September and July, the temperatures remain quite consistent, with minimums around 23°C (74°F), averages of 25°C (78°F), and maximums reaching 27°C (81°F). However, July experiences higher precipitation, totaling 56 mm (2.2 in) over 24 days, compared to September's 45 mm (1.8 in) spread over 16 days, indicating a drier trend in the latter month. Additionally, humidity levels are slightly lower in September at 74%, while July sees a higher humidity of 82%. For more details on July's weather, you can visit Nungwi weather in July.
In comparing the weather between September and August, we find that both months exhibit similar temperature ranges, with minimum temperatures of 23°C (73°F), average temperatures around 25°C (78°F), and maximums reaching 27°C (81°F). However, September has slightly lower humidity at 74%, compared to August's 75%. Precipitation remains consistent, with both months recording 45 mm (1.8 in), though September experiences rainfall over 16 days as opposed to August's 17 days. For more details, you can check Nungwi weather in August.
In September, the weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 25°C (78°F), and it reaches a maximum of 27°C (81°F). The month experiences relatively moderate precipitation at 45 mm (1.8 inches) over 16 days, with humidity levels around 74%. In contrast, October sees a slight increase in both temperature and humidity, with an average of 26°C (79°F) and maximum temperatures peaking at 28°C (82°F). However, rainfall significantly rises to 118 mm (4.6 inches) over 19 days, leading to a humid atmosphere with 78% humidity. For more detailed insights, you can check Nungwi weather in October.
In comparing the weather conditions between September and November, we observe a slight increase in temperatures, with November averaging around 27°C (80°F) compared to September's 25°C (78°F). Both months have warm minimum temperatures, but September starts at 23°C (74°F), slightly lower than November's 24°C (76°F). However, November experiences significantly higher precipitation, totaling 106 mm (4.2 inches) over about 20 days, while September has only 45 mm (1.8 inches) across 16 days. Additionally, humidity levels rise from 74% in September to 85% in November, contributing to the overall perception of mugginess during the latter month. For more details on November's weather in Nungwi, you can check out Nungwi weather in November.
In September, the weather is generally warm with average temperatures ranging from 23°C (74°F) to 27°C (81°F) and a moderate precipitation level of 45 mm (1.8 in) over 16 days. Humidity is relatively comfortable at 74%. In contrast, December experiences slightly higher temperatures, with minimums of 25°C (77°F) and maxima reaching up to 29°C (84°F). However, it also sees a significant increase in rainfall, totaling 119 mm (4.7 in) across 23 days, resulting in higher humidity levels at 83%. To get a more detailed outlook on December weather, you can refer to Nungwi weather in December.
September in Nungwi brings a refreshing shift in weather, characterized by a moderate average temperature that remains enjoyable for outdoor activities. While humidity levels remain relatively high, the frequent rain showers make the air feel crisp rather than stifling, unlike the hotter months. Visitors can expect a mix of sunshine and rain, with precipitation occurring on nearly half the days of the month. This unique blend of conditions provides an excellent opportunity for exploring the stunning beaches and vibrant marine life without the typical summer crowds. For a detailed overview of climate trends and how September compares to the rest of the year, visit Nungwi Climate.