Last updated: August 31, 2025
In September, Agadez, Niger, experiences a hot desert climate characterized by a max temperature of 42°C (108°F) and an average of 33°C (92°F), making it one of the year's hottest months. Nighttime lows can drop to a mild 23°C (74°F), offering some relief from the sweltering days. Rainfall is scarce, with only about 4 mm (0.2 in) falling across a mere single day, resulting in a 50% humidity that can intensify the heat. This blend of extreme temperatures and minimal precipitation creates a distinctive atmosphere, embodying the unique character of Agadez in September.
In September, Agadez, Niger, maintains a warm and inviting climate, with temperatures showcasing a subtle shift as summer transitions to autumn. The minimum temperature hovers around 23°C (74°F), while the average settles at a cozy 33°C (92°F), ensuring that days remain pleasantly warm. As the month progresses, the maximum temperatures peak at about 42°C (108°F), which, while slightly lower than the extreme heat of the months prior, still reflects the region's characteristic warmth. This blend of moderate evenings and hot days makes September an appealing time for both locals and visitors seeking to experience the unique charm of Agadez.
In September, Agadez experiences a notable shift in its precipitation patterns, with rainfall measured at 4 mm (0.2 in) over just one day. This slight increase comes after the peak of the rainy season in August, which delivers a more substantial 58 mm (2.3 in) across 10 days. As the dry months approach, September’s precipitation indicates a transition, maintaining some moisture but significantly dropping from the previous month. This trend showcases the region's characteristic arid climate, as the annual rainfall returns to near-zero levels in the following months, with October marking a stark decline back to 1 mm before the lengthy dry season sets in. Overall, the September rainfall serves as a gentle reminder of the fleeting nature of moisture in Agadez, emphasizing the region’s resilience in adapting to extremes.
As the desert sands shift towards the cooler months, September in Agadez, Niger, presents a notable climatic shift with humidity levels at 50%. This is a significant decline from the peak of 54% experienced in August, yet still considerably higher than the arid months of January to April, where humidity hovers between 12% and 19%. The rise in humidity during the summer months reflects the intense heat, while September marks a transition back towards drier air that will continue into October, when humidity drops to 33%. This gradual ebb in moisture signals the region's journey from the sultry summer to the more temperate fall, underscoring the cyclical nature of Agadez's climate.
September in Agadez, Niger, continues the trend of extreme UV exposure, reflecting a UV Index of 11 and a burn time of just 10 minutes. This month, while slightly lower than the peak in April and May, still demands caution for sun lovers and outdoor enthusiasts alike. As the scorching summer gives way to autumn, the UV levels remain remarkably high, urging residents and visitors to prioritize sun safety during their daily activities. The data illustrates a consistent pattern from June to September, underscoring the area's relentless sun intensity. For more details on staying safe under the sun, check out Agadez UV Index.
UV Risk Categories
As September rolls around in Agadez, Niger, the city basks in a generous 323 hours of sunshine, a noteworthy decrease from the summer months but still abundant by most standards. The trend through the year reveals a steady rise in sunshine hours from January’s 260, peaking in May with 353 hours. Although daylight begins to wane as autumn approaches, September still retains ample sunlight, bridging the vibrant summer months with the cooler season ahead. This annual arc of sunshine showcases Agadez’s distinct climatic rhythm, where the warmth of the sun continues to nourish the desert landscape even as it transitions toward the quieter months of October and November.
In September, Agadez, Niger, enjoys a favorable 77% chance of sunny weather, which is a pleasant transition from the wetter months of July and August, where sunshine probabilities dipped to 62% and 72%, respectively. This trend reflects a gradual return to sunnier conditions as the year progresses, peaking in May with a remarkable 92% chance of sunshine. Following September, the likelihood of clear skies continues its ascent, reaching 88% in October. Overall, while September may not shine as brightly as the peak summer months, it still promises ample sunshine, making it an excellent time for outdoor activities and exploration in this vibrant region.
In Agadez, Niger, September marks the transition to a milder daylight experience, with the sun gracing the sky for 12 hours each day. This duration mirrors the months of March, April, May, and August, indicating a balance between the longer summer days and the shorter winter hours that follow. The trend showcases a steady increase in sunlight as the year progresses into summer, peaking at 13 hours in June and July, before gracefully descending back to 11 hours by October. September serves as a gentle reminder of summer's warmth, while the approach of autumn looms on the horizon, making it a unique time for day-to-day activities under the plentiful sun.
In September, Agadez experiences a gentle restoration of wind activity, with average speeds rising to 4.0 m/s (9 mph). This moderate breeze offers a cool relief as the summer heats begin to fade, maintaining a pleasant warmth in the air. Following a significant drop in wind speeds during the hotter months of June and August, September's winds mark a subtle transition, hinting at the approach of the more robust gusts of autumn. As the year progresses, wind speeds in Agadez generally return to an invigorating rhythm, starting to climb again in October. This cyclical pattern underscores the unique interplay between seasonal changes and wind dynamics in this vibrant region of Niger.
Weather in Agadez varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Agadez, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by high temperatures, with a minimum of 23°C (74°F) and an average of 33°C (92°F), occasionally peaking at a scorching 42°C (108°F). Despite the heat, there is minimal precipitation, averaging just 4 mm (0.2 in) over a single rainy day and humidity levels around 50%. In contrast, January brings a much cooler climate, with temperatures ranging from a minimum of 8°C (46°F) to an average of 21°C (70°F), and a maximum of 37°C (99°F). Notably, January is completely dry with no recorded precipitation and significantly lower humidity at 19%. For those interested in the specifics, you can explore more about Agadez weather in January.
September and February present contrasting weather conditions. In September, temperatures can soar with a minimum of 23°C (74°F) and reaching up to a scorching 42°C (108°F), while averaging around 33°C (92°F). The humidity level sits at 50%, and there is some limited precipitation, with about 4 mm falling over a single day. In stark contrast, February offers much cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 37°C (99°F), averaging a comfortable 23°C (74°F). February also boasts dry conditions, experiencing no rainfall and a much lower humidity of 15%. For more details, you can check Agadez weather in February.
In September, the weather is notably warmer, with average temperatures reaching a sweltering 33°C (92°F) and maximums peaking at 42°C (108°F), accompanied by a humidity level of 50%. The month experiences minimal precipitation, with just 4 mm (0.2 in) over one day. In contrast, March presents a slightly cooler climate, with average temperatures of 29°C (85°F) and a minimum of 15°C (60°F), making it more comfortable. Interestingly, March boasts dry conditions with no recorded rainfall, and significantly lower humidity at only 12%. For a detailed overview, you can check the Agadez weather in March.
In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 42°C (108°F), with an average of 33°C (92°F). The month is characterized by minimal rainfall, receiving only 4 mm (0.2 in) over just one day, while humidity levels sit at a comfortable 50%. In contrast, April experiences slightly lower minimum temperatures at 17°C (63°F) and can reach even higher maximums of 45°C (113°F), with the same average temperature of 33°C (92°F). Remarkably, April has no recorded precipitation, making it a dry month with humidity plummeting to just 12%. For more detailed insights, you can check Agadez weather in April.
In comparing the weather of September and May, both months start with a minimum temperature of around 23°C (73°F-74°F), but May boasts a significantly higher average temperature of 36°C (97°F) compared to September's 33°C (92°F). Additionally, the maximum temperatures soar to 46°C (115°F) in May, surpassing September's high of 42°C (108°F). Precipitation is quite minimal in both months, with September receiving 4 mm over 1 day and May experiencing virtually no rain at all. Interestingly, May is also characterized by lower humidity levels at 21%, while September maintains a more humid environment with 50%. For more detailed insights about May weather, visit Agadez weather in May.
In September, the weather tends to be slightly cooler compared to June, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 42°C (108°F). In contrast, June experiences warmer conditions, with temperatures starting at a minimum of 25°C (77°F) and peaking at 44°C (112°F). Both months have similar low precipitation, with September receiving about 4 mm (0.2 in) over just 1 day, while June has slightly more with 5 mm (0.2 in) across 2 days. Additionally, September's humidity is higher at 50%, compared to June's 43%. For more details on June weather, you can check Agadez weather in June.
In comparing the weather of September and July, both months experience high average temperatures of around 33°C (92°F), but July tends to be slightly warmer with maximum temperatures reaching 45°C (112°F) compared to September's 42°C (108°F). Additionally, July sees more precipitation, with 16 mm (0.6 in) spread over 6 days, while September is much drier, receiving only 4 mm (0.2 in) over just 1 day. Humidity levels are fairly similar, with September at 50% and July a touch lower at 47%. For a more detailed look at July's conditions, you can visit Agadez weather in July.
In comparing the weather of September to August, September tends to be slightly warmer, with an average temperature of 33°C (92°F) compared to August's 31°C (88°F). Both months have similar minimums, but September experiences a higher humidity level of 50% versus August's 54%. Notably, September is much drier, receiving only 4 mm (0.2 in) of precipitation over just 1 day, while August sees significantly more rain with 58 mm (2.3 in) over 10 days. For more detailed insights, you can check Agadez weather in August.
In September, the weather is characterized by higher temperatures, with minimums around 23°C (74°F) and a scorching average of 33°C (92°F), reaching a maximum of 42°C (108°F). The month also experiences light precipitation with about 4 mm (0.2 in) over just one day, accompanied by 50% humidity. In contrast, October brings a slight decrease in temperature, featuring minima of 18°C (64°F) and a slightly lower average of 32°C (90°F), with maxima reaching 41°C (106°F). Notably, October is drier, recording only 1 mm of precipitation over zero days, and the humidity drops to 33%. For more details on October weather, you can check Agadez weather in October.
In September, the weather is notably hotter, with temperatures ranging from a minimum of 23°C (74°F) to a scorching maximum of 42°C (108°F), accompanied by relatively high humidity levels of 50%. Additionally, September sees a little precipitation, averaging 4 mm over just one day. In contrast, November experiences a much milder climate, with temperatures dropping to a minimum of 15°C (59°F) and peaking at 38°C (101°F), while average temperatures settle around 27°C (82°F). Uniquely, November boasts completely dry weather, with no recorded precipitation and a reduced humidity level of 21%. For more details on the weather during this month, you can refer to Agadez weather in November.
In September, the weather is characterized by high temperatures, with a minimum of 23°C (74°F) and an average reaching a scorching 33°C (92°F), peaking at 42°C (108°F). Despite the heat, there is minimal precipitation with only 4 mm (0.2 in) occurring on just one day, and humidity levels hover around 50%. In contrast, December sees a significant drop in temperatures, with a minimum of 10°C (51°F) and a comfortable average of 23°C (73°F), rising to a maximum of 36°C (96°F). The month is dry, with no recorded precipitation and humidity dropping to a refreshing 22%. For more detailed insights on December weather in Agadez, you can check Agadez weather in December.
As September unfolds in Agadez, the heat intensifies, with maximum temperatures potentially soaring to a sweltering 42°C (108°F). Unlike the rainy season that precedes it, this month is characterized by a notable dip in precipitation, with just a mere 4 mm expected, marking a stark contrast to the wet months. The average warmth settles around a comfortable 33°C (92°F), while the humidity hovers around a moderate 50%, providing a unique blend of dry heat and occasional relief in the evenings. For a deeper understanding of how September fits into the overall climate of Agadez, be sure to check out Agadez Climate.