Last updated: August 21, 2025
In September, Mahajanga, Madagascar boasts delightful weather characterized by warm temperatures and minimal rainfall. The maximum temperature can reach a balmy 33°C (92°F), with an average hovering around a pleasant 27°C (80°F), while nighttime drops to a comfy 20°C (69°F). Remarkably, precipitation is scarce this month, totaling just 2 mm (0.1 in), with no recorded rainy days. With humidity levels at a moderate 66%, September is an ideal time to explore this vibrant region, making the most of its clear skies and inviting climate.
In September, Mahajanga, Madagascar, experiences a pleasant climate as it transitions into spring. With minimum temperatures around 20°C (69°F) and averaging 27°C (80°F), the month offers a comfortable warmth that’s perfect for outdoor exploration. The maximum reach of 33°C (92°F) hints at summer's approach but still provides a welcome respite from the peaks seen in October and December. Notably, September maintains a steady trend of warmth following the cooler July and August months, making it an ideal time for visitors to enjoy the vibrant landscapes and rich biodiversity Madagascar has to offer.
In Mahajanga, Madagascar, September marks a notable lull in precipitation, with a mere 2 mm (0.1 in) recorded and no rainfall days. This stark contrast to the rainy months preceding it highlights a significant dip in moisture, as January through March experience heavy downpours, averaging 394 mm (15.5 in) in January alone. Following the dry spell in the mid-year months from May to August, where rainfall is virtually nonexistent, September continues the trend of minimal precipitation, setting the stage for a gradual increase as October approaches. As the year transitions, Mahajanga showcases a remarkable fluctuation in weather patterns, with September serving as a bridge between the dry and wetter periods ahead.
In Mahajanga, Madagascar, September marks a transitional period in humidity levels. As the dry season progresses, the humidity stabilizes at 66%, matching the levels of the preceding month and the following one. This trend reflects a notable decline from the peak humidity in January at a lush 85%, followed by a steady decrease that reaches its lowest point in the winter months of July and August. While September's humidity remains on the lower end of the year's spectrum, it paves the way for a gradual uptick as December approaches. The consistent humidity levels during this time create a comfortable climate, ideal for exploring the region's natural beauty.
As we transition into September in Mahajanga, Madagascar, the UV Index reveals an extreme exposure category with a value of 12, indicating a burn time of just 10 minutes. This trend reflects the region's consistently high UV levels throughout the year, particularly in the earlier months where indexes peak at 16. While there is a slight decline from the peak summer values, the UV intensity remains formidable, requiring caution and protection against sunburn. As the year progresses into October, the Index persistently stands at 12, emphasizing the need for ongoing sun safety. For more detailed information, visit the Mahajanga UV Index.
UV Risk Categories
As September rolls in, Mahajanga, Madagascar, basks in an impressive 342 hours of sunshine, maintaining the high standards set by the previous months. This peak of sun-soaked days follows a trend of increasing sunlight that began in the early year, starting from 261 hours in January and gradually climbing to match August's vibrant offering. The continued warmth and brightness in September signal the region's transition towards the peak of the sunny season, which culminates with October and December alike basking in a maximum of 366 hours. With this consistent sunshine, Mahajanga not only invites outdoor adventures but also paints a picturesque backdrop for relaxation and exploration during this lively month.
In September, Mahajanga, Madagascar, enjoys a remarkable 84% chance of sunny weather, making it one of the sunniest months of the year. This trend of increasing sunshine is evident as the region transitions from the wetter months, with the likelihood of sunny days steadily climbing from 41% in April to 83% in August. Following this pattern, September not only marks a peak in clear skies but also sets the stage for the equally bright months of October and November. With its high probability of sunshine, September is an ideal time to bask in the beauty of Mahajanga's landscapes and vibrant culture.
In Mahajanga, Madagascar, the transition from the dry season to the warmer months is marked by a notable shift in daylight duration. As September arrives, the city enjoys 12 hours of daylight, a refreshing increase that mirrors conditions from the months of January through March. This consistent daylight allows for extended exploration and leisure activities as the days begin to lengthen again. Following September, October and November maintain the same 12-hour mark, providing a delightful bridge into the tail end of the year. December, however, dazzles with its generous 13 hours of daylight, signaling the return of summer's exceptional glow. Overall, the rhythm of daylight in Mahajanga reveals a pleasing consistency, punctuated only by a slight dip during the more restrained mid-year months.
As the seasons shift in Mahajanga, Madagascar, September marks a notable increase in wind speed, reaching an average of 4.2 m/s (9 mph). This rise follows a steady pattern observed from July through August, where wind speeds gradually climbed, peaking in September before tapering slightly in October. The gentle breezes of earlier months, averaging around 3.1 m/s, give way to a more pronounced gustiness, suggesting a transition toward dynamic weather conditions. This delightful uptick not only invigorates the coastal landscape but also enhances the vibrant atmosphere, making September an intriguing time for locals and visitors alike.
Weather in Mahajanga varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mahajanga, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is warm and pleasant, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 33°C (92°F), and an average temperature of 27°C (80°F). The month sees very little precipitation, with only 2 mm (0.1 in) recorded over no rainy days, resulting in a humidity level of 66%. In contrast, January brings a different climate experience, featuring higher minimum temperatures of 24°C (76°F) and similar maximums of 33°C (91°F). However, January is much wetter, with a substantial 394 mm (15.5 in) of rainfall occurring over 24 days and increased humidity at 85%. For a detailed look at January weather, you can check out Mahajanga weather in January.
September and February present contrasting weather conditions, particularly in terms of temperature and precipitation. In September, temperatures range from a mild 20°C (69°F) at night to a warm 33°C (92°F) during the day, with a comfortable average of 27°C (80°F) and very low precipitation, recording just 2 mm. This month enjoys a humidity level of 66% with no rainy days.
In stark contrast, February boasts a slightly higher minimum temperature of 24°C (75°F) and an average of 28°C (82°F), with the same maximum of 33°C (92°F). However, February is marked by a significant increase in precipitation, totaling 253 mm over 25 days, resulting in much higher humidity at 84%. For more detailed information, you can refer to Mahajanga weather in February.
September and March present noticeably different weather patterns. In September, temperatures typically range from a minimum of 20°C (69°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F) and minimal rainfall—just 2 mm (0.1 in) over 0 days. This makes September a relatively dry month with a humidity level of 66%. In contrast, March is characterized by warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (82°F), and a maximum of 34°C (93°F). However, it brings significant rainfall, totaling 220 mm (8.7 in) over 24 days and higher humidity at 79%. For a more detailed overview of March weather, you can visit Mahajanga weather in March.
In September, the weather is generally warm and dry, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 33°C (92°F) and very little precipitation, only about 2 mm over the month. The humidity is moderate at 66%, making it a comfortable time for outdoor activities. In stark contrast, April brings slightly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 34°C (94°F), but it is significantly wetter, receiving around 63 mm of rain over approximately 12 rainy days. The humidity levels also rise to 78%, which can make the atmosphere feel more humid. For a detailed look at the weather conditions, you can check Mahajanga weather in April.
In comparing the weather of September and May, both months showcase a warm climate with average temperatures around 27°C (82°F) and maximums soaring to 33°C (92°F). However, September's cooler minimum temperature of 20°C (69°F) contrasts slightly with May's minimum of 21°C (71°F). While both months experience minimal precipitation, September sees a slightly drier climate with only 2 mm (0.1 in) of rain, compared to May's 3 mm (0.1 in). Additionally, humidity levels are higher in May at 74%, while September maintains a more comfortable 66%. For more detailed insights, you can check out Mahajanga weather in May.
In comparing the weather between September and June, both months feature similar temperature ranges, with September showing a slightly higher maximum temperature of 33°C (92°F) compared to June’s 32°C (90°F). Both months have a minimum temperature around 20°C (68°F to 69°F), and the average temperature is comparable as well, with September averages at 27°C (80°F) and June at 26°C (79°F). Precipitation levels are low for both months, with September receiving just 2 mm of rain and June slightly higher at 3 mm, although neither month experiences any rainy days. Humidity remains relatively consistent, slightly higher in June at 69% compared to September's 66%. For more details on June weather, you can visit Mahajanga weather in June.
In comparing the weather of September and July, September generally offers slightly warmer temperatures, with a minimum of 20°C (69°F) and an average of 27°C (80°F), compared to July's minimum of 19°C (66°F) and an average of 25°C (78°F). Both months experience minimal rainfall, with just 2 mm (0.1 in) and no rainy days. However, humidity levels are slightly lower in September at 66%, whereas July maintains a humidity rate of 68%. For more detailed information about July weather in Mahajanga, you can visit Mahajanga weather in July.
In comparing the weather between September and August, we find that September is slightly warmer, with an average temperature of 27°C (80°F) compared to August's 26°C (78°F). The maximum temperatures also show a slight increase, reaching 33°C (92°F) in September, while August peaks at 32°C (90°F). Interestingly, both months experience minimal precipitation, with only 2 mm (0.1 in) recorded and no rainy days in either month, maintaining the same humidity level of 66%. For more detailed insights, you can check Mahajanga weather in August.
September and October showcase subtle shifts in weather patterns. In September, the temperatures range from a minimum of 20°C (69°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F). This month tends to be dry, recording just 2 mm of precipitation over 0 rainy days, while humidity remains steady at 66%. In contrast, October sees a slight increase in temperatures, with a minimum of 22°C (73°F), an average of 28°C (82°F), and a maximum reaching 34°C (94°F). Precipitation also rises, with 12 mm falling over 3 days, while humidity remains consistent at 66%. For a more detailed look at October weather, you can check Mahajanga weather in October.
In September, the weather in Mahajanga is characterized by warm temperatures ranging from a minimum of 20°C (69°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F). It typically features low precipitation, averaging only 2 mm (0.1 in) over the month, with no rainy days and relative humidity at 66%. In contrast, November sees a slight increase in temperature, with minimums of 22°C (72°F) and maximums reaching 34°C (94°F), while the average remains around 28°C (83°F). However, November experiences significantly higher precipitation, accumulating 97 mm (3.8 in) across 16 rainy days, alongside slightly elevated humidity levels at 69%. For more details, check Mahajanga weather in November.
In September, the weather is notably warm and dry, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 33°C (92°F) and only 2 mm of rainfall across the month. The humidity sits at a comfortable 66%, providing a pleasant atmosphere for outdoor activities. In contrast, December experiences higher temperatures with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at a steamy 35°C (94°F). However, this month brings significant rainfall, totaling 213 mm (8.4 in) over 22 days, which boosts the humidity to 79%. For more detailed information, you can check Mahajanga weather in December.
As September rolls in, Mahajanga experiences a delightful transition into warmer days, with a maximum temperature reaching a pleasant 33°C (92°F) and an average of 27°C (80°F). Unlike the wetter months, this period shines with minimal precipitation, creating a sun-soaked landscape perfect for outdoor adventures. The humidity levels hover around 66%, providing a comfortable atmosphere that sets September apart from the rainier seasons. For those curious about Mahajanga's annual climate trends, detailed insights can be found at Mahajanga Climate. Enjoy the balmy days and clear skies as you explore the beauty of this coastal gem!