Last updated: August 21, 2025
In September, Toamasina, Madagascar experiences a mild tropical climate characterized by an attractive blend of warm temperatures and humidity. With daily highs reaching up to 25°C (78°F) and an average temperature of 23°C (74°F), this coastal city offers comfortable weather for outdoor activities. However, the month also sees significant rainfall, with 82 mm (3.2 in) of precipitation spread over 18 days, creating a lush environment and contributing to the region's vibrant ecosystems. Humidity levels hover around 82%, adding a tropical feel to the atmosphere, inviting visitors to enjoy the lush surroundings while preparing for the occasional rainfall.
September in Toamasina, Madagascar, marks the transition to milder temperatures as the year progresses towards its end. With minimums around 19°C (67°F) and maximums reaching 25°C (78°F), this month is characterized by a comfortable average of 23°C (74°F). The month showcases a gradual warming trend following the cooler July and August, inviting visitors to enjoy the city's rich biodiversity and vibrant culture without the oppressive heat. As the cool, dry season continues, September offers an ideal time to explore Toamasina’s natural wonders, making it a delightful experience for both locals and travelers.
In September, Toamasina experiences a noticeable dip in precipitation, with 82 mm (3.2 in) of rain falling over 18 days. This reduction marks a shift from the heavier downpours seen earlier in the year, particularly the high August rainfall of 101 mm (4.0 in). As the region transitions into the drier months, the frequency of rainy days also decreases, suggesting a gradual easing of the wet season. While September's rainfall is significantly less than the peak months, it still plays a crucial role in maintaining the lush landscapes that define Madagascar’s coastal charm, hinting at the impending dry season and the cyclical nature of the island's climate.
As September rolls into Toamasina, Madagascar, residents experience a noticeable dip in humidity, with levels averaging 82%. This shift follows the progressively humid months of winter, where humidity peaked at 89% in April and May. The trend shows a gradual decrease from August's 83%, hinting at the transition towards the drier conditions typical of October, which brings an even lower average of 79%. This decline marks a welcome change for many, as the air becomes slightly crisper, offering a brief respite before the humidity begins to rise again in November. Overall, September serves as a pivotal point in Toamasina's climatic rhythm, balancing the lingering warmth of winter with the promise of a drier season ahead.
As September rolls into Toamasina, Madagascar, the UV Index remains firmly in the extreme category, measuring 12, which is consistent with the trends seen in prior months. This indicates a maintained risk of harm from unprotected sun exposure, with a quick burn time of just 10 minutes. Comparatively, September's readings mirror those of April and October, suggesting that the sun's intensity here is notably high throughout much of the year. With the UV Index peaking in earlier months, such as the staggering 16 in January and February, it's clear that sun safety is crucial in Toamasina. As the seasons transition, awareness remains essential. For detailed insights and tips on sun safety, check out the Toamasina UV Index.
UV Risk Categories
As September unfolds in Toamasina, Madagascar, residents bask in 332 hours of glorious sunshine, marking a peak in the region's radiant offerings. This month embraces the transition from the winter chill to the warmth of spring, evidenced by a notable increase in daylight hours compared to the previous months. Following August’s impressive 330 hours, September not only maintains the momentum of abundant sunlight but also sets the stage for the sunniest months ahead. In fact, with October promising a dazzling 362 hours of sunshine, it’s clear that Toamasina is entering a golden period of daylight, inviting both locals and visitors to revel in the beauty of the Malagasy landscape. The trend shows a continual rise in sunlight hours as the year progresses, promising more vibrant days as we approach the latter part of the year.
In Toamasina, Madagascar, September brings a good likelihood of sunny weather, with a 53% chance of sunshine that fits comfortably within the average range for the year. This month sees a slight uptick from August’s 54%, setting a positive tone as the region transitions into spring. Following the cooler months of June and July, where sun chances hovered at 43%, September signals a return to brighter days, resonating well with the upcoming October, which boasts an even higher 57% chance of sunny skies. As summer approaches, visitors can expect a pleasant mix of sunshine, perfectly complementing the vibrant atmosphere of this coastal locale.
In September, the city of Toamasina, Madagascar, enjoys approximately 11 hours of daylight, continuing the trend established in previous months. As the year progresses from January's peak of 13 hours, daylight gradually decreases until it stabilizes at 11 hours from April through September. This period marks a harmonious transition into the southern hemisphere's spring, where consistent daylight offers ample opportunities for outdoor exploration. Following September, a slight increase in daylight occurs again in October, signaling the return to longer days as the year draws to a close. This rhythmic pattern of daylight duration offers both residents and visitors a reliable schedule to plan their activities throughout the year.
In Toamasina, Madagascar, the month of September ushers in a gentle breeze, with an average wind speed of 4.3 m/s (10 mph). This marks a slight dip from the summer months, but still maintains a pleasant airflow that characterizes the region's transition from the peak winds of June and July, both reaching 5.8 m/s (13 mph). As the year progresses into the later months, the winds remain consistent, with October echoing September's velocity. Overall, the wind patterns highlight a peak during the mid-year, gradually softening as the island prepares for its warmer season, offering a refreshing respite during the early spring months in this vibrant coastal town.
Weather in Toamasina varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Toamasina, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is generally milder with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 25°C (78°F). There is also a moderate amount of precipitation, totaling 82 mm (3.2 in) over 18 days, and humidity levels are around 82%. In contrast, January experiences warmer temperatures, with minimums at 24°C (75°F) and maximums reaching 30°C (86°F), averaging 27°C (80°F). The rainfall significantly increases to 260 mm (10.2 in) spread across 21 days, along with higher humidity at 87%. For more information on January weather, you can check Toamasina weather in January.
In September, the weather is mild with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 25°C (78°F), accompanied by a relatively high humidity of 82%. This month experiences about 82 mm (3.2 in) of precipitation over 18 days, making it a moderately wet period. In contrast, February brings warmer temperatures, with a minimum of 25°C (76°F) and a maximum reaching 31°C (88°F). This month is much wetter, showcasing around 242 mm (9.5 in) of rain across 22 days and a slightly higher humidity of 87%. As such, February is characterized by more significant rainfall and higher temperatures compared to the more temperate September. For more insights about February weather, you can refer to Toamasina weather in February.
In comparing the weather between September and March, significant differences emerge. September enjoys milder temperatures, with a minimum of 19°C (67°F) and an average of 23°C (74°F), whereas March is notably warmer with a minimum of 24°C (76°F) and an average of 27°C (80°F). In terms of precipitation, September experiences about 82 mm (3.2 in) over 18 days, while March sees a substantial increase, with 466 mm (18.4 in) spread over 28 days. Additionally, humidity levels rise slightly from 82% in September to 88% in March, contributing to the overall warm and wet conditions of early autumn. For a more detailed exploration of March weather, you can visit Toamasina weather in March.
In September, the weather features milder temperatures with a minimum of 19°C (67°F), averaging around 23°C (74°F) and reaching a maximum of 25°C (78°F). While it experiences a moderate amount of rainfall at 82 mm (3.2 in) over 18 days, humidity hovers at 82%. In contrast, April brings warmer conditions, with minimum temperatures of 23°C (74°F), an average of 26°C (79°F), and highs reaching 29°C (84°F). April is notably wetter, with significant precipitation of 300 mm (11.8 in) over 27 days and higher humidity at 89%. For more detailed information on April weather, visit Toamasina weather in April.
When comparing the weather in September and May, September has a milder temperature range, with minimums around 19°C (67°F) and a maximum of 25°C (78°F), while May experiences slightly warmer temperatures, ranging from 21°C (71°F) to a maximum of 27°C (82°F). Despite the warmer average temperatures in May, it also sees significantly more precipitation, totaling 205 mm (8.1 in) over 25 days, compared to September's 82 mm (3.2 in) across 18 days. Additionally, humidity levels are higher in May at 89%, compared to 82% in September, making the latter month more comfortable overall. For more specific details, you can check Toamasina weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 23°C (74°F). However, September tends to be slightly cooler with a minimum temperature of 19°C (67°F) compared to June's minimum of 21°C (69°F). Precipitation significantly differs between the two months: June experiences a substantial 208 mm (8.2 in) over 25 days, while September sees a reduced 82 mm (3.2 in) across 18 days, resulting in drier conditions. Additionally, June has a higher humidity level of 86% compared to September’s 82%. For more detailed information, you can refer to Toamasina weather in June.
In comparing the weather of September to that of July, we see some notable differences. September features a slightly warmer average temperature of 23°C (74°F) compared to July's 22°C (73°F), with both months having similar minimum and maximum temperatures around 19°C (67°F) and 25°C (78°F) respectively. However, September experiences significantly less rainfall, with only 82 mm (3.2 in) of precipitation over 18 days, while July is much wetter, recording 243 mm (9.6 in) across 27 days. Additionally, the humidity in September is somewhat lower at 82%, compared to July's 87%. For more insights on July weather, you can check Toamasina weather in July.
In comparing September and August weather, both months exhibit mild temperatures, with September experiencing a slight decrease in average temperature, ranging from a minimum of 19°C (67°F) to a maximum of 25°C (78°F), compared to August's minimum of 20°C (68°F) and maximum of 24°C (76°F). Precipitation levels are also somewhat lower in September, with 82 mm (3.2 in) over 18 days, while August sees more rainfall at 101 mm (4.0 in) across 21 days. Humidity remains high in both months, slightly decreasing from 83% in August to 82% in September. For a detailed look at August weather, you can check out Toamasina weather in August.
In September, the weather features slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 23°C (74°F), while September's maximum reaches 25°C (78°F). The month is also marked by considerable humidity at 82% and a total precipitation of 82 mm (3.2 in) over 18 days. Conversely, October brings a bit warmer weather, with a minimum of 21°C (70°F), an average of 24°C (76°F), and a maximum of 26°C (80°F). While the humidity decreases slightly to 79%, October experiences a similar amount of precipitation at 77 mm (3.0 in) over 20 days. For a more detailed look at the weather in October, visit Toamasina weather in October.
In comparing the weather of September and November, we observe that November generally presents warmer conditions. The minimum temperature in November is 22°C (71°F), slightly higher than September's 19°C (67°F), and the average temperature also rises from 23°C (74°F) in September to 25°C (78°F) in November. Though both months experience approximately 18 days of precipitation, November sees a higher total rainfall of 118 mm (4.6 in) compared to September's 82 mm (3.2 in). Humidity levels are similar, with September at 82% and November slightly lower at 81%. For a detailed look at November's weather, you can visit Toamasina weather in November.
The weather in September and December shows notable differences in both temperature and precipitation. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 25°C (78°F), with an average of 23°C (74°F). The month experiences 82 mm (3.2 in) of precipitation over 18 days, with humidity levels at 82%. In contrast, December is warmer, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (84°F) and an average of 26°C (80°F). However, December also brings significantly more rainfall, totaling 211 mm (8.3 in) over 23 days, while humidity increases slightly to 86%. For a detailed look at December weather, check the link: Toamasina weather in December.
September in Toamasina marks a transition, characterized by mild temperatures and a touch of humidity that sets it apart from the hotter months. As the temperature begins to cool slightly, the average reaches a pleasant 23°C, inviting visitors to enjoy the lush surroundings. However, with 82 mm of precipitation spread over 18 days, rain is still a frequent guest, reminding us that early spring often brings its share of showers. This blend of warmth and moisture creates a unique climate that’s perfect for exploring the rich biodiversity of the region while enjoying the fresh, invigorating air. For a deeper dive into what to expect throughout the year, check out Toamasina Climate.