Last updated: August 21, 2025
In September, Mosul, Iraq experiences sweltering heat, with maximum temperatures reaching a scorching 45°C (114°F) and an average temperature of 32°C (90°F). The air remains dry with humidity levels around 29%, and notable for its lack of rainfall, the city records 0 mm of precipitation over the course of the month. With a minimum temperature of 18°C (65°F) during the cooler nights, September in Mosul is characterized by intense sunshine and relentless heat, marking it as a pivotal month for residents and visitors alike.
In September, Mosul, Iraq transitions from the sweltering summer heat, maintaining a minimum temperature of 18°C (65°F) and an average of 32°C (90°F). As the month progresses, daily highs can reach up to 45°C (114°F), signaling the tail end of scorching weather before cooler autumn days arrive. This month showcases a notable shift, as the average temperature begins to dip from the extreme heights of July and August, marking a reprieve for residents and visitors alike. With gentle nights and warm days, September offers a balance that leads into the more moderate climate of October, making it an ideal time to explore the vibrant history and culture of Mosul.
September in Mosul, Iraq, marks the continuation of a dry spell that begins in the summer months, as the city experiences no recorded precipitation during this time. Following the peak rainfall months of March and April, where precipitation amounts were notably higher, the dry months of May through September feature an absence of rain, with September mirroring the previous three months with 0 mm of rainfall and 0 precipitation days. This trend sets the stage for a gradual shift as October arrives, bringing with it a slight increase in moisture with 17 mm of rainfall expected. Overall, September encapsulates the dry energy of late summer in Mosul, maintaining a consistent pattern that highlights the stark contrasts in the region's seasonal precipitation dynamics.
In Mosul, Iraq, September marks a subtle shift in humidity levels, with the average reaching 29%. This increase from the arid peak of 24% in August signals the onset of autumn, as the region begins to experience slightly more moisture in the air. While summer months see humidity plummet to its lowest points—dipping to just 27% in July—the transition into fall brings a gradual rise. Following September, humidity levels continue to increase significantly, climbing to 45% in October and further rising throughout the winter months. This trend highlights the distinct seasonal changes in Mosul's climate, showcasing a refreshing breast of air as the heat of summer recedes.
As September rolls into Mosul, the UV Index remains notably high at 8, placing it in the very high exposure category. With a burn time of just 15 minutes, this month continues the trend of increased UV radiation that began in the spring. Following the extreme conditions of May through August, where the UV Index peaked at 11, September still demands caution, especially for outdoor activities. As temperatures gradually cool, it’s essential to remain vigilant about sun safety until conditions shift further in October. For detailed information on the UV Index throughout the year, visit Mosul UV Index.
UV Risk Categories
As summer fades into autumn, September in Mosul offers a radiant conclusion to the sun-drenched months. With 342 hours of sunshine, it marks a transition from the peak brightness of July's 403 hours, gently dipping as the days grow shorter. This month reflects the steady decline in daylight that begins with the summer peak, yet still maintains a significant brightness compared to earlier months. The gradual decrease in sunlight from May's 385 hours to September illustrates the shifting seasons, inviting residents to embrace the warmth and light before cooler days approach. As autumn whispers its arrival, September serves as a reminder of the lingering summer charm still glowing over Mosul.
As summer fades and autumn begins, September in Mosul, Iraq boasts an impressive 99% chance of sunny weather, making it one of the sunniest months of the year. Following a trend of increasingly bright days from May onwards, when the likelihood of sun soars to 82%, September marks a peak in clear skies, just before a gradual decline into the cooler months. With this exceptional forecast, September is an ideal time for outdoor activities, inviting locals and visitors alike to revel in the abundant sunshine and the moderate warmth that characterizes the transition into fall. As daylight gives way to shorter evenings, the vibrancy of Mosul's landscape shines even brighter beneath the sun's gentle embrace.
As September arrives in Mosul, Iraq, the sunlight begins to wane, marking a transition from the long, bright days of summer to the shorter, cooler days of autumn. With 12 hours of daylight, September still offers a generous share of sunlight, though it's a gradual decline from the 14 hours enjoyed in the peak months of May through August. This month reflects a consistent pattern of diminishing daylight, as daylight hours progressively decrease from the highs of summer towards the shorter days of winter, which see just 9 hours of light in January. The rich hues of early autumn can be experienced for a little while longer, inviting residents to savor the remaining warmth and brightness before the seasons shift yet again.
As September arrives in Mosul, Iraq, the average wind speed settles at 2.7 m/s (6 mph), marking a subtle transition from the summer months. Throughout the year, wind patterns reveal intriguing trends: starting with the calmest winds in January and February, a gradual increase can be observed as spring unfolds, peaking in June at 3.5 m/s (8 mph). The winds then begin to moderate, with September experiencing a slight dip from the summer highs, yet still maintaining a pleasant breeze that carries the warmth of the season into autumn. This gentle flow continues into October before tapering off in the winter months, where the winds return to their more dormant state. Overall, the September wind encapsulates a refreshing balance of warmth and coolness, setting the stage for the months ahead.
Weather in Mosul varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mosul, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, the temperatures soar with an average of 32°C (90°F) and can reach as high as 45°C (114°F), while humidity remains low at 29% and no precipitation is recorded. In stark opposition, January experiences much cooler temperatures, with averages around 9°C (48°F) and lows dipping to -2°C (30°F). This month also sees more precipitation, totaling 56 mm (2.2 in) over approximately 8 days, accompanied by a significantly higher humidity level of 74%. For more details on January's climate, visit Mosul weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures soar, with lows around 18°C (65°F) and highs reaching a scorching 45°C (114°F), while the humidity remains relatively low at 29%. This month experiences no precipitation, resulting in dry, hot days perfect for outdoor activities. In contrast, February brings a chill, with temperatures dropping to a minimum of -5°C (24°F) and averaging around 11°C (51°F). This month also sees significantly more precipitation, totaling 65 mm (2.6 in) over approximately 8 days, contributing to a higher humidity level of 73%. For a detailed look at what February weather looks like, check out Mosul weather in February.
September and March showcase a stark contrast in weather patterns. September boasts much higher temperatures, with lows around 18°C (65°F) and highs reaching a scorching 45°C (114°F), while March's temperatures are much milder, ranging from a chilly 1°C (35°F) to a comfortable 31°C (88°F). Additionally, September experiences no precipitation and low humidity at 29%, creating a dry heat, whereas March sees significant rainfall of 96 mm (3.8 in) over 11 days, accompanied by a higher humidity level of 71%. For more detailed information about the weather in March, check out Mosul weather in March.
In September, the weather is characterized by sweltering temperatures, ranging from a minimum of 18°C (65°F) to a scorching maximum of 45°C (114°F), with an average temperature of 32°C (90°F). The month is notably dry, recording no precipitation and boasting a low humidity level of 29%.
In contrast, April experiences much cooler temperatures, with a minimum of 8°C (47°F) and a maximum reaching 38°C (101°F), averaging around 20°C (69°F). The weather is also significantly wetter, with 68 mm (2.7 in) of precipitation spread over 9 days, and a higher humidity level of 59%. For more detailed information on April weather in Mosul, you can check this link: Mosul weather in April.
September and May present quite contrasting weather characteristics. In September, temperatures soar with a minimum of 18°C (65°F) and an average of 32°C (90°F), peaking at a scorching 45°C (114°F). This month is notably dry, with no recorded precipitation and low humidity at 29%. In contrast, May offers a cooler climate, with a minimum of 12°C (55°F), an average of 27°C (80°F), and a maximum of 43°C (110°F). May also sees some rainfall, totaling 20 mm (0.8 in) over two days, and higher humidity levels at 54%. For a detailed overview, you can check Mosul weather in May.
September and June weather in Mosul showcase striking similarities and subtle differences. Both months enjoy predominantly clear skies with no recorded precipitation and dry conditions. In terms of temperature, September typically ranges from a minimum of 18°C (65°F) to a maximum of 45°C (114°F), while June features slightly warmer averages, with temperatures dipping to a minimum of 19°C (66°F) and peaking at 46°C (116°F). Additionally, humidity levels are lower in September at 29%, compared to June's 39%, contributing to a more comfortable feel during the warmer days. For a detailed look at June's climate, refer to Mosul weather in June.
In comparing the weather of September and July, September generally features lower temperatures, with a minimum of 18°C (65°F) and an average of 32°C (90°F), while July boasts a minimum temperature of 25°C (77°F) and an average of 36°C (98°F). July also hits higher maximums, reaching up to 49°C (120°F), compared to September's peak of 45°C (114°F). Both months experience no precipitation and very low humidity, but July is slightly more humid at 27%, while September maintains a drier 29%. For more details on July's climate specifics, check out Mosul weather in July.
In comparing the weather patterns of September and August, we observe a notable shift in temperatures and humidity levels. September experiences slightly cooler temperatures, with a minimum of 18°C (65°F) and an average of 32°C (90°F), compared to August's higher minimum of 23°C (74°F) and an average of 36°C (97°F). The maximum temperatures also taper off in September, reaching 45°C (114°F) versus August's peak of 48°C (119°F). Additionally, while both months are dry with no recorded precipitation, September is characterized by a higher humidity level of 29% compared to the drier 24% in August. For more detailed insights on August conditions, you can check Mosul weather in August.
September weather in Mosul is characterized by scorching temperatures, with minimums around 18°C (65°F) and highs reaching an extreme 45°C (114°F). The month remains dry, with no recorded precipitation and a low humidity of 29%. In contrast, October brings a noticeable drop in temperatures; the average temperature falls to 25°C (77°F), with a minimum of 12°C (53°F) and a maximum of 39°C (102°F). Additionally, October introduces some much-needed moisture, with 17 mm (0.7 in) of rainfall spread over two days, resulting in higher humidity levels of 45%. For more detailed information, check out Mosul weather in October.
September weather is characterized by high temperatures, with minimums reaching 18°C (65°F) and averaging around 32°C (90°F), while maximums can soar up to 45°C (114°F). This month is notably dry, recording no precipitation and a low humidity level of 29%. In contrast, November exhibits a significant drop in temperatures, with minimums falling to 5°C (41°F) and average highs around 17°C (62°F), peaking at 31°C (88°F). November also brings increased rainfall, with 35 mm (1.4 in) of precipitation spread over about five days and humidity levels rising to 61%. For more detailed information, you can check Mosul weather in November.
September weather is characterized by high temperatures, with averages reaching around 32°C (90°F) and maximums soaring to 45°C (114°F). The month is notably dry, with no recorded precipitation and a humidity level of just 29%. In contrast, December brings a significant drop in temperatures, where the average stays around 11°C (53°F) and can dip to a chilly 1°C (34°F) at night. This month is wetter as well, with 79 mm (3.1 in) of precipitation over approximately 9 days and much higher humidity at 78%. For a more detailed look at December weather, check out Mosul weather in December.
As September unfolds in Mosul, the weather presents a significant contrast to the sweltering summer months, transitioning from extreme heat to more moderate temperatures. With average highs of around 32°C (90°F) and a comfortable low of 18°C (65°F), the climate becomes more tolerable for outdoor activities. Notably, September features an absence of precipitation, contributing to low humidity levels at 29%, which further enhances the city's dry conditions. This month serves as a gentle prelude to the cooler autumn temperatures, making it an ideal time to explore Mosul's rich history and culture. For more details on the climate throughout the year, visit Mosul Climate.