Last updated: August 21, 2025
September in Antananarivo, Madagascar welcomes a pleasant transition into spring, characterized by a maximum temperature of 29°C (85°F) and a mild average of 17°C (62°F), dipping to a refreshing minimum of 8°C (47°F) at night. With only 7 mm (0.3 in) of rainfall spread over a mere 1 day, the month offers ample sunshine and clear skies, making it ideal for outdoor exploration. The humidity, hovering around 66%, adds a touch of tropical warmth to the vibrant atmosphere, perfect for enjoying the city's rich culture and stunning landscapes.
In September, Antananarivo experiences a delightful transition in temperatures, signaling the arrival of spring. The minimum temperature rises to a pleasant 8°C (47°F), while the average settles at a comfortable 17°C (62°F), and the maximum climbs to 29°C (85°F). This month marks a shift from the cooler winter months of June and July, which saw lows around 5°C (41°F). As September unfolds, the city enjoys a refreshing warmth, making it an ideal time for outdoor activities and exploration. The increasing temperatures hint at the approaching summer, while still retaining a mildness that characterizes the tail end of the dry season. Visitors can relish in this balance, as Antananarivo's vibrant landscape comes to life under the slightly warmer sun.
In September, Antananarivo experiences a significant decline in precipitation, with only 7 mm (0.3 inches) of rain recorded over just one day. This drop follows the pattern established during the dry months of July and August, where rainfall is minimal. September's light showers serve as a transitional period, hinting at the upcoming shifts in weather as the city approaches the more active rainy season starting in October. The contrast is stark when compared to the wetter months earlier in the year, like February with 239 mm (9.4 inches) over 20 days, illustrating the seasonal variability that characterizes Antananarivo's climate. As the landscape inches closer to October, anticipation builds for a rejuvenation of rainfall, providing much-needed water to the region.
As September arrives in Antananarivo, Madagascar, the air begins to feel drier, with humidity levels dropping to 66%. This marks the continuation of a gradual decrease from the more humid summer months, peaking in January at 88% and consistently high through February and March. The transition into spring brings a reprieve from the balmy conditions, as humidity steadily declines, reaching its annual low by mid-year in August at 68%. However, the onset of October brings a slight uptick, hinting at the fluctuations yet to come as the city moves towards the wetter months. This pattern illustrates not only the seasonal shifts but also the overall trend of diminishing humidity as the year advances toward the summer.
In September, Antananarivo experiences a UV Index of 13, categorizing it as extreme, with a burn time of just 10 minutes. This marks a continuation of the high levels of UV exposure that the city sees throughout much of the year. While the index slightly decreases from the peak levels observed in the first half of the year, it still emphasizes the importance of sun protection. The trend indicates that sun safety remains a priority in September, following the pattern of earlier months. As the UV levels start to transition towards October, with a consistent index of 13, residents and visitors alike should stay vigilant. To learn more about UV trends in the area, check out Antananarivo UV Index.
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As September rolls into Antananarivo, Madagascar, the city basks in an impressive 321 hours of sunshine, reflecting a delightful increase that crowns the dry season. This uplifting trend carries forth from the previous months, notably climbing from 304 hours in April and peaking as the sun prepares to share its warmth through the coming days of October, which boasts an even brighter 349 hours. The steady rise in sunlight hours not only enhances the vibrant landscape but also invites residents and visitors alike to revel in the outdoors, making September a perfect time to explore Antananarivo's rich culture and breathtaking scenery under the sun's golden embrace.
As September rolls into Antananarivo, residents and visitors alike can expect a notable uplift in sunny weather, with a 45% chance of sunshine. This marks the continuation of a positive trend seen from mid-year onwards, where the likelihood of clear skies begins to rise after the cooler months. Following a series of variable probabilities in the earlier months, the sunny days return in August and hold steady through September, effectively bridging the gap to October's even sunnier forecast at 52%. This seasonal shift not only enhances the city's vibrant atmosphere but also invites outdoor activities amid the warming temperatures.
As September rolls in, Antananarivo enjoys a consistent 11 hours of daylight, maintaining the balanced trend seen throughout the latter half of the year. Following the peak daylight hours of January and December with 13 hours, the city gradually shifts to shorter days, reaching a low of 10 hours in June. However, by September, the daylight duration stabilizes, hinting at the beginning of a slow transition toward longer days as October approaches. This rhythm of daylight not only marks the changing seasons but also shapes the daily lives and activities of the city's residents, highlighting a natural cadence of light that continues to foster the vibrant essence of Madagascar.
As September arrives in Antananarivo, Madagascar, the city's atmosphere becomes pleasantly invigorating, with the wind picking up to an average speed of 3.7 m/s (8 mph). This is a noticeable increase from the previous month, reflecting a trend where the wind begins to swirl more energetically as the dry season approaches. In comparison to earlier months, particularly June and August, the September breeze offers a refreshing reprieve, hinting at an end to the winter chill. With wind speeds steadily building from the start of the year, the arrival of spring not only ushers in milder temperatures but also creates an uplifting ambiance, perfect for exploring the vibrant streets and lush landscapes of Madagascar's capital.
Weather in Antananarivo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Antananarivo, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase distinctly different weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 29°C (85°F), with an average of 17°C (62°F). The month is relatively dry, featuring just 7 mm of precipitation over the course of a single day, and humidity levels around 66%. In stark contrast, January experiences warmer temperatures with a minimum of 14°C (57°F) and a maximum of 31°C (89°F), averaging 21°C (70°F). This month sees significantly more rain, with 204 mm (8.0 in) of precipitation over 18 days, leading to higher humidity levels at 88%. For a detailed look at January's weather, visit Antananarivo weather in January.
When comparing the weather in September and February, notable differences emerge. September features milder temperatures, with a minimum of 8°C (47°F), averaging around 17°C (62°F), and a maximum that peaks at 29°C (85°F). In contrast, February enjoys warmer conditions, starting at a minimum of 13°C (56°F) and reaching an average of 21°C (70°F), while highs can climb to 31°C (88°F). Precipitation levels also vary significantly; September experiences only 7 mm (0.3 in) of rain over just one day, whereas February is much wetter, with 239 mm (9.4 in) of rainfall spread across about 20 days. Additionally, humidity is higher in February at 87%, compared to 66% in September. For further details on the February climate, check out Antananarivo weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a comfortable minimum of 8°C (47°F) to an enjoyable maximum of 29°C (85°F), with an average of 17°C (62°F). The month experiences relatively low precipitation, just 7 mm (0.3 in) over only 1 day, and humidity levels sit at a moderate 66%. In contrast, March sees a rise in temperatures, with minimums of 14°C (57°F) and average highs reaching 29°C (84°F). However, it is also much wetter, with total precipitation hitting 197 mm (7.8 in) across 19 days, resulting in elevated humidity levels at 86%. For a detailed look at March weather, please check out Antananarivo weather in March.
When comparing the weather of September and April, notable differences emerge. September enjoys a moderate average temperature of 17°C (62°F) with highs reaching up to 29°C (85°F), while April presents slightly warmer conditions with an average of 19°C (67°F) and similar maximums. However, September boasts a significantly lower precipitation level of just 7 mm (0.3 in) over only one day, in stark contrast to April's 49 mm (1.9 in) spread across 13 days, highlighting a much wetter month. Furthermore, humidity levels are higher in April at 77% compared to September's 66%. For more detailed weather information about April, you can visit Antananarivo weather in April.
In September, the weather typically sees a range of temperatures from a minimum of 8°C (47°F) to a maximum of 29°C (85°F), with an average temperature hovering around 17°C (62°F). The month experiences minimal precipitation, averaging just 7 mm (0.3 in) over one day, and the humidity is around 66%. In contrast, May features slightly cooler temperatures with a maximum of 26°C (80°F) and a similar minimum of 8°C (46°F), leading to an average temperature of 17°C (63°F). May also has a bit more precipitation at 8 mm (0.3 in) over one day, accompanied by higher humidity levels at 75%. For more specific details, you can check out Antananarivo weather in May.
September weather in Antananarivo presents a notable contrast to that of June. With an average temperature of 17°C (62°F) and a maximum of 29°C (85°F), September tends to be warmer overall compared to June, which has an average of 15°C (59°F) and a maximum of 25°C (78°F). Additionally, September experiences significantly less precipitation, with only 7 mm (0.3 in) over just 1 day, while June sees a higher total of 22 mm (0.9 in) across 2 days. Humidity levels are also slightly lower in September at 66%, compared to June's 74%. For further details, you can check Antananarivo weather in June.
In comparing the weather of September and July, September tends to be warmer, with average temperatures reaching 17°C (62°F) compared to July's 14°C (57°F). While both months experience minimal precipitation, September sees just 7 mm (0.3 in) over 1 day, slightly less than July's 11 mm (0.5 in) on the same number of days. Additionally, September's humidity is lower at 66%, while July has a higher humidity level at 74%. Overall, September offers a more comfortable climate for outdoor activities. For more detailed information, visit Antananarivo weather in July.
In comparing the weather between August and September, September generally offers slightly warmer temperatures. The minimum temperature in September is 8°C (47°F), compared to 5°C (42°F) in August, while the average temperature rises to 17°C (62°F) from August's 15°C (59°F). Additionally, September's maximum temperature reaches 29°C (85°F), slightly surpassing August's high of 27°C (80°F). Precipitation levels are also marginally higher in September, with 7 mm (0.3 in) falling over just 1 day, compared to 5 mm (0.2 in) in August, which shares the same frequency of rainfall. Humidity levels remain fairly consistent, at 66% in September and 68% in August. For more insights on August's weather, you can refer to Antananarivo weather in August.
In comparing the weather between September and October, September typically experiences cooler temperatures with a minimum of 8°C (47°F) and an average of 17°C (62°F), while October sees slightly warmer conditions, starting with a minimum of 9°C (49°F) and an average of 19°C (67°F). Additionally, October brings increased warmth, reaching a maximum of 32°C (90°F) compared to September's peak of 29°C (85°F). However, October also sees an uptick in precipitation, with 24 mm (0.9 in) over five days, compared to September's minimal 7 mm (0.3 in) over just one day. Humidity remains fairly consistent, but both months have relatively high humidity levels, around 66% in September and 67% in October. For more details on October's weather, check out Antananarivo weather in October.
September and November showcase a noticeable shift in weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 29°C (85°F), with an average of 17°C (62°F) and minimal precipitation of just 7 mm (0.3 in) over one day, resulting in a relatively dry month with a humidity level of 66%. In contrast, November brings warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 32°C (89°F), averaging 21°C (70°F). However, November also sees a significant increase in precipitation, totaling 77 mm (3.0 in) over 11 days, and higher humidity at 74%. This shift indicates a transition to a wetter, more humid climate as the year progresses. For more details, check out Antananarivo weather in November.
September and December present contrasting weather characteristics. In September, temperatures range from a mild 8°C (47°F) at night to a pleasant 29°C (85°F) during the day, with an average of around 17°C (62°F). The month is relatively dry, featuring only 7 mm (0.3 in) of precipitation over just one day, and humidity levels stand at 66%. In contrast, December experiences a warmer minimum of 13°C (56°F) and can reach up to 31°C (88°F), with an average temperature of 21°C (70°F). However, it sees a significant increase in rainfall, totaling 133 mm (5.2 in) across 16 days, leading to higher humidity levels at 83%. For more detailed information on December weather, visit Antananarivo weather in December.
As September unfolds in Antananarivo, the weather begins to shift, offering a pleasant reprieve from the cooler winter months. With milder temperatures warming up, you can expect days that are comfortable, reaching their peak around 29°C, while the nights remain refreshingly cool. This month is characterized by minimal rainfall, making it an ideal time for outdoor activities, unlike the more drizzly weeks of the previous months. The relative humidity of around 66% adds a gentle warmth to the air, inviting visitors to explore the vibrant landscapes without the heavy haze of summer. For a comprehensive understanding of how September weather fits into the bigger picture, check out Antananarivo Climate.