Last updated: August 28, 2025
In September, the weather in Sana', Yemen presents a warm and dry climate. With maximum temperatures soaring to 39°C (103°F) and an average temperature of 30°C (87°F), the heat is palpable. The evenings bring modest relief, as the mercury dips to a comfortable minimum of 16°C (62°F). Notably, September experiences a negligible precipitation amount of just 1 mm and no rainy days, ensuring a primarily dry month. Humidity levels hover around 67%, adding a touch of mugginess to the warm air. Overall, this month is characterized by its arid conditions, making it essential for residents and visitors to prepare for the heat.
In September, Sana'a experiences a transition in its temperatures as it approaches autumn, yet still holds onto the warmth of summer. The month sees minimum temperatures around 16°C (62°F), rising to an average of 30°C (87°F), with the mercury peaking at a maximum of 39°C (103°F). This marks a slight decrease from the sweltering highs earlier in the summer months, as July and August hover around 41°C (106°F). September's climate is characterized by a pleasant warmness during the day, making it an inviting time to explore the city's rich culture. As the days shorten and nights begin to cool, the change in weather hints at the more temperate conditions to follow in the coming months.
In September, Sana', Yemen experiences a notable drop in precipitation, with only 1 mm recorded, marking it as one of the driest months in the region. This minimal rainfall is accompanied by a complete absence of rainy days, a stark contrast to the preceding months like July and August, which saw more significant precipitation levels of 15 mm and 6 mm respectively. This trend highlights a clear transition towards the arid conditions that define the latter part of the year, as October and November typically follow suit with no recorded rainfall. As such, September stands out as a turning point, signaling the end of the brief rainy season and ushering in drier months ahead.
As summer transitions into autumn in Sana', Yemen, September signals a noticeable rise in humidity, reaching 67%—the highest point for the month. This surge is part of a gradual upward trend observed through the late summer months, which began in earnest in August with 63% humidity. Following this peak in September, humidity levels continue their ascent into October, touching 70%. The months preceding September display a mix of moderate humidity, hovering around the low to mid-50s, but as the year progresses, residents and visitors alike can expect a palpable increase in moisture in the air, setting the stage for the coming season's characteristics. This consistent rise not only marks a shift in weather patterns but also brings with it a unique blend of warmth and mugginess typical of the region.
The UV Index in Sana', Yemen, remains consistently high throughout the year, notably during the peak months. In September, the index stands at 13, categorizing exposure as extreme with a burn time of just 10 minutes. This mirrors a trend observed from earlier summer months, where values hovered around 12 to 15, presenting a constant risk for sunburn. As the year progresses into the cooler months, a slight decline is seen, dropping to 12 in October and 11 in November, but the need for caution remains paramount. It's essential for residents and visitors alike to stay informed about these numbers to protect themselves from harmful UV rays. For detailed information, check out the Sana' UV Index.
UV Risk Categories
As summer wanes, September in Sana', Yemen still enjoys a generous 327 hours of sunshine, making it a delightful transition into autumn. This month reflects a slight dip from the peak sunlight of May, which boasts the highest at 359 hours, yet it remains bright compared to the earlier months of the year. Notably, the sunshine trend shows a gradual decrease as summer fades; however, it stands resilient against the backdrop of the more temperate months that follow. With October's sunshine rebounding slightly to 340 hours, the seasonal shift invites a unique blend of warmth and coolness, allowing residents and visitors alike to relish the lingering summer glow.
As September rolls around in Sana', Yemen, the likelihood of sunshine takes a noticeable dip, with a 59% chance of clear skies. This marks a shift from the summer months, where July's sunniest days plummet to just 46%. Interestingly, the sun begins to reassert its presence in October, jumping back up to 77%. Overall, while September might still offer some warmth and light, it's a transitional month that signals the approaching return of sunnier days ahead, especially as the year draws to a close with November and December hitting 91% and 94% respectively.
As September rolls into Sana', Yemen, the city enjoys a comfortable 12 hours of daylight, reflecting the stability of its mid-year light conditions. This month mirrors the preceding summer months of July and August, where daylight lingered at the same generous length. After the light peaks of June, with its 13 hours of sunshine, daylight gradually recedes into the coming months, dipping to 11 hours by October. This rhythmic pattern highlights the subtle transitions in Sana'—a place where the shifting seasons are marked by consistent, yet gradual changes in daylight, creating a predictable and inviting atmosphere as autumn approaches.
As September arrives in Sana', Yemen, the average wind speed gently settles at 2.4 m/s (about 5 mph), a slight dip from the peak breezes of July and August. This month marks a transition towards calmer conditions as the refreshing gusts that characterized the summer begin to wane. Interestingly, while April through July exhibit a consistent wind speed hovering around 2.7 to 3.7 m/s, September signals a return to the lighter breezes of early spring, reminiscent of January and February. The gradual decline in wind speeds throughout the latter part of the year not only reflects the region's shifting climate but also offers a serene atmosphere, ideal for enjoying the vibrant landscapes of Sana'.
Weather in Sana' varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sana', focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by high temperatures, with a minimum of 16°C (62°F) and average highs reaching up to 30°C (87°F), peaking at 39°C (103°F). The humidity is relatively high at 67%, but there's little to no precipitation, making it a predominantly dry month. In contrast, January offers cooler temperatures, with a minimum of 5°C (40°F) and an average of 20°C (68°F), while highs can reach 32°C (90°F). The humidity decreases to 47%, and like September, January experiences no rainfall. For more details about January in Sana, you can visit Sana' weather in January.
In September, temperatures soar with a minimum of 16°C (62°F) and an average high reaching a sweltering 30°C (87°F), peaking at 39°C (103°F). The month is characterized by dry conditions, with no recorded precipitation and humidity levels around 67%. In contrast, February offers a more temperate climate, featuring a minimum temperature of 8°C (46°F) and an average high of 22°C (71°F), with a maximum of 35°C (95°F). Like September, February is also devoid of rain, but it benefits from lower humidity levels at 56%. For more detailed information, you can check Sana' weather in February.
September and March present contrasting weather conditions. In September, temperatures are significantly higher, with an average temperature of 30°C (87°F) and maximums reaching up to 39°C (103°F), while March offers a milder climate with an average of 25°C (77°F) and maximums of 36°C (97°F). Precipitation remains minimal in both months, though March records slightly more at 4 mm (0.1 in) compared to September's negligible rainfall. Furthermore, September's humidity is higher at 67%, while March experiences a more comfortable 52%. For more detailed information, you can refer to Sana' weather in March.
September and April exhibit distinct weather patterns, showcasing the transition between the hotter summer months and the cooler early spring atmosphere. In September, temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 39°C (103°F), with an average of 30°C (87°F) and notable humidity at 67%. In contrast, April sees slightly cooler temperatures, with a range from 15°C (60°F) to 37°C (100°F) and an average of 27°C (82°F). Additionally, April experiences a bit more precipitation, albeit minimal, with 3 mm (0.1 in) compared to September's 1 mm (0.0 in) and a lower humidity level of 52%. For a closer look at the weather specifics, you can check Sana' weather in April.
September and May showcase similar average temperatures, hovering around 30°C (87°F), but differ slightly in their temperature extremes and humidity levels. In September, the minimum temperature is a comfortable 16°C (62°F) while the maximum can reach 39°C (103°F). The humidity is higher in September at 67%, creating a more muggy atmosphere. Conversely, May has a slightly higher minimum temperature of 17°C (63°F) and a peak temperature of 40°C (104°F), but it enjoys lower humidity levels at 57%. Additionally, May sees a bit more precipitation, with 4 mm over one day, compared to September's dry climate with no recorded rainfall. For more details on May's weather in Sana, visit Sana' weather in May.
In comparing the weather between September and June, we note a few key differences. September experiences a minimum temperature of 16°C (62°F), averaging around 30°C (87°F), with a maximum of 39°C (103°F), all while maintaining a relatively high humidity level of 67% and almost no precipitation. In contrast, June begins warmer, with a minimum of 20°C (68°F) and an average of 32°C (89°F), peaking at 41°C (105°F). Additionally, June sees slightly higher precipitation at 5 mm (0.2 in), but still has no rainy days, along with lower humidity at 50%. For a deeper dive into June’s climate specifics, you can check Sana' weather in June.
In comparing the weather of September and July, we see some notable differences. September experiences slightly lower temperatures, with a minimum of 16°C (62°F) and a maximum of 39°C (103°F), whereas July is warmer overall, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 41°C (106°F). Humidity is higher in September at 67%, compared to July's 51%, contributing to a more uncomfortable feel despite the slightly lower average temperature of 30°C (87°F) in September, compared to July's average of 31°C (89°F). Additionally, September has no recorded precipitation, while July sees about 15 mm (0.6 in) over two days, indicating a drier climate in September. For more detailed information, you can visit Sana' weather in July.
In comparing the weather of September and August, September tends to be slightly cooler with average temperatures ranging from a minimum of 16°C (62°F) to a maximum of 39°C (103°F), while August is warmer with a minimum of 22°C (72°F) and a peak of 40°C (105°F). Additionally, September experiences virtually no precipitation with just 1 mm recorded and no rainy days, in contrast to August which sees 6 mm of rainfall over one rainy day. Humidity levels are also a bit higher in September at 67%, compared to 63% in August, making the latter feel marginally drier. For more details on August weather, you can visit Sana' weather in August.
September and October showcase a notable shift in weather conditions. In September, temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 39°C (103°F), with an average of 30°C (87°F) and a humidity level of 67%. The month experiences virtually no precipitation, with 0 mm recorded over 0 days.
In contrast, October sees cooler temperatures, with a minimum of 13°C (55°F), an average of 27°C (80°F), and a maximum of 36°C (98°F). The humidity slightly increases to 70%, and like September, October also has no recorded precipitation. For a more detailed look at the weather specifics, you can check out Sana' weather in October.
In September, the weather is significantly warmer, with average temperatures reaching 30°C (87°F) and maximums soaring up to 39°C (103°F). The air is quite humid at 67%, but the month remains dry with only 1 mm of precipitation. In contrast, November sees a marked drop in temperatures, with averages around 23°C (74°F) and highs of 32°C (91°F). Notably, November is also dry, registering no precipitation and slightly less humidity at 63%. For more detailed information, you can check Sana' weather in November.
In September, the weather is characterized by high temperatures, with a minimum of 16°C (62°F) and an average soaring to 30°C (87°F), peaking at a scorching 39°C (103°F). The humidity is relatively high at 67%, but the month sees no precipitation, resulting in dry conditions throughout. In contrast, December offers a much cooler climate, with temperatures ranging from a brisk 5°C (41°F) at night to a pleasant average of 20°C (68°F) and a maximum of 32°C (90°F) during the day. The humidity drops to 55%, and like September, December also experiences no rainfall. For more detailed insights, you can refer to Sana' weather in December.
As September unfolds in Sana', the weather showcases a unique blend of warmth and dryness, setting it apart from other months. Daytime temperatures soar, peaking around 39°C, while the nights offer a much-needed respite with cooler lows around 16°C. Unlike the preceding months, September boasts almost no rainfall, making it a stark contrast to the wetter periods of the year. With an average humidity of 67%, residents can expect a distinctive, albeit warm, atmosphere that encourages outdoor adventures. For more insights into the climatic patterns of this fascinating city, visit Sana' Climate.