Last updated: August 28, 2025
September in Ras Al Khaimah City, United Arab Emirates, offers a warm and dry climate ideal for outdoor activities. With maximum temperatures soaring to 38°C (101°F) and an average of 33°C (92°F), the days are hot and sunny. The weather cools down at night, with a comfortable minimum of 27°C (81°F). The humidity hovers around a moderate 38%, while precipitation remains nonexistent, ensuring that visitors can enjoy clear skies and optimal conditions throughout the month. Whether you're planning a beach day or exploring the city, September presents a reliable warmth that defines this vibrant destination.
In September, Ras Al Khaimah experiences a noticeable transition as summer begins to wane. With minimum temperatures averaging 27°C (81°F) and highs reaching up to 38°C (101°F), the region remains warm but starts to cool compared to the intense heat of the preceding months. The average temperature stabilizes around 33°C (92°F), signaling a shift towards more comfortable conditions while still retaining the warmth that characterizes the Gulf region. This month bridges the sweltering summer and the milder autumn, making it an ideal time for visitors to enjoy the city’s stunning landscapes without the extreme humidity of July and August. Thus, September embodies a perfect balance between lingering summer heat and the anticipation of cooler days ahead.
In Ras Al Khaimah City, September marks a continuation of the dry spell that characterizes the summer months, with zero precipitation recorded throughout the month. This pattern aligns with the region’s arid climate, where rainfall is sparse, particularly during the hotter seasons. As summer transitions to autumn, the average precipitation begins to rise slightly in October, but September stands out as a month devoid of rain, following an extended period of dryness. This trend highlights the challenging climatic conditions faced in this desert landscape, where annual rainfall varies significantly, peaking only in the cooler months.
In September, Ras Al Khaimah City experiences a slight uptick in humidity, averaging around 38%. This represents a modest increase from the drier months of July and August, which saw humidity levels drop to 35% and 36% respectively. As the city transitions into the autumn months, this rise foreshadows a return to more humid conditions, setting the stage for October’s higher levels at 42%. Interestingly, the overall trend throughout the year reveals a gradual increase in humidity from the cooler winter months, where levels hover around 41% to 43%, peaking in the late fall with November’s 44%. This pattern highlights how Ras Al Khaimah's climate evolves, offering a unique blend of warmth and moisture as the seasons shift.
In September, Ras Al Khaimah experiences a UV Index of 10, categorizing it as very high with a burn time of just 15 minutes. This marks a slight decrease from the peak levels seen during the summer months, where the UV Index has been consistently 11. Overall, the trend from January through October shows a significant rise in UV intensity during the hotter months, peaking in May and June, before tapering off as the year progresses. As autumn approaches, residents and visitors should remain vigilant about sun protection, especially during September and October when UV levels remain elevated. For more detailed information, visit the Ras Al Khaimah City UV Index.
UV Risk Categories
In Ras Al Khaimah, September shines with an impressive 335 hours of sunlight, continuing the trend of warm, sun-drenched days that the city is known for. Following the peak of summer in May and June, when the sun dazzles for around 370 hours, September marks a gentle decline yet remains vibrant compared to the earlier months of the year. The slight decrease in sunshine hours from the previous August's 358 hours signals the slow transition into autumn, but still offers plenty of glorious days for outdoor exploration. As the city prepares to welcome cooler temperatures in October, September’s radiant skies provide a perfect backdrop for enjoying this beautiful corner of the UAE.
September in Ras Al Khaimah City boasts a dramatic 95% chance of sunny weather, making it an ideal time for those seeking to bask in the sun. Following the peak of summer in June, where sunshine reigns supreme at 99%, the likelihood of clear skies slightly fluctuates throughout the remaining months, yet September maintains its impressive rating alongside January and November. With summer's lingering warmth and plenty of sunshine, visitors can relish outdoor adventures and activities, securing September’s reputation as a perfect month to soak up the vibrant, sun-drenched atmosphere of this beautiful emirate.
As September settles in Ras Al Khaimah, the daylight duration remains a pleasant 12 hours, mirroring the longer days of April and August. This month marks a transitional phase, where the relentless summer sun gradually begins to wane, leading to shorter days in the upcoming months. The trend of increasing daylight from January through July illustrates the allure of longer sunny days, peaking at 13 hours in mid-summer. However, as September arrives, the city shifts into a more moderate light cycle, setting the stage for the cooler fall months ahead. With daylight diminishing in October and November, residents can savor the vibrant sunsets and mild evenings that September has to offer.
As September unfolds in Ras Al Khaimah, the city experiences a gentle shift in the winds, with an average speed of 1.8 m/s (approximately 4 mph), indicating a slight dip compared to the preceding months. This modest decrease hints at the transition from the hotter summer months, which exhibited stable breezes around 2.0 to 2.4 m/s, creating a more comfortable environment for residents and visitors alike. While September's winds may feel lighter, they still offer a refreshing reprieve, setting the stage for the cooler autumn months where the air begins to calm further. Observing these trends, one can appreciate how wind patterns play a significant role in shaping the experience of this vibrant coastal city throughout the year.
Weather in Ras Al Khaimah City varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ras Al Khaimah City, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by high temperatures with a minimum of 27°C (81°F) and an average peak of around 33°C (92°F), occasionally reaching up to 38°C (101°F). The month is also quite dry, with no recorded precipitation and humidity levels at 38%. In contrast, January offers a much cooler climate, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), and an average of 20°C (68°F). This month sees some precipitation, with 18 mm (0.7 in) over two days, and humidity slightly increases to 41%. To learn more about the weather specifics in January, you can visit Ras Al Khaimah City weather in January.
September and February exhibit stark contrasts in weather. In September, temperatures soar, with a minimum of 27°C (81°F) and an average peak of 33°C (92°F), reaching highs of 38°C (101°F), while enjoying nearly perfect conditions with 0 mm of precipitation and low humidity at 38%. In contrast, February offers milder temperatures, where the minimum drops to 10°C (51°F), averaging around 20°C (69°F), and peaking at 29°C (84°F). Additionally, February brings some rainfall with 18 mm over three days and a slightly higher humidity level of 41%. For further details on February weather, check out Ras Al Khaimah City weather in February.
September and March present striking contrasts in weather conditions. September boasts significantly higher temperatures, with averages reaching 33°C (92°F) and maximums soaring to 38°C (101°F), while March offers a cooler experience, where temperatures range from a minimum of 15°C (59°F) to an average of 23°C (74°F) and a maximum of 32°C (91°F). Additionally, March experiences some precipitation, totaling 25 mm (1.0 in) over three days, which is absent in September where there are no rainy days. Despite having the same humidity levels at 38%, the overall experience of these two months differs dramatically. For more information on March weather, visit Ras Al Khaimah City weather in March.
September and April present contrasting weather conditions, with September showcasing significantly higher temperatures. In September, the minimum temperature averages around 27°C (81°F), soaring to a maximum of 38°C (101°F), while April begins at a cooler 18°C (65°F) and peaks at 36°C (96°F). Both months experience low humidity levels of 38%, but April sees some precipitation, totaling 14 mm (0.5 in), unlike the dry September, which records no rainfall. For more detailed insights into April weather, visit Ras Al Khaimah City weather in April.
When comparing the weather in September and May, notable differences and similarities emerge. September boasts higher average temperatures, with a minimum of 27°C (81°F) and an average of 33°C (92°F), while May reflects slightly cooler conditions, featuring a minimum of 22°C (72°F) and an average of 31°C (88°F). However, May can reach similar peaks, with a maximum temperature of 39°C (102°F) compared to September's maximum of 38°C (101°F). Both months are characterized by minimal precipitation and very few rain days, making them quite dry, with September showing no recorded precipitation at all. Humidity is slightly higher in May at 42%, compared to September's 38%. For more detailed insights on May's weather, you can check Ras Al Khaimah City weather in May.
In comparing the weather of September and June, both months exhibit warm temperatures and a dry climate with no recorded precipitation. September sees minimum temperatures around 27°C (81°F), an average of 33°C (92°F), and maximums reaching 38°C (101°F), with humidity levels at 38%. In contrast, June is slightly warmer, with minimums also at 27°C (81°F), but averages at 34°C (94°F) and maximums peaking at 40°C (104°F), accompanied by a slightly lower humidity of 36%. For more detailed information on June weather, you can visit Ras Al Khaimah City weather in June.
In comparing the weather of September and July, we notice some intriguing similarities and differences. September boasts a slightly lower minimum temperature of 27°C (81°F) compared to July's minimum of 29°C (85°F), while both months have maximum temperatures that approach the high end of the scale, with September reaching 38°C (101°F) against July's 40°C (103°F). Interestingly, both months experience minimal precipitation, with September recording 0 mm and July only 1 mm, and neither month has any rainy days. Humidity levels are comparable as well, with September at 38% and July slightly lower at 35%. For more detailed insights into the weather during this time, you can check Ras Al Khaimah City weather in July.
In comparing the weather of September and August, September presents slightly cooler temperatures with a minimum of 27°C (81°F) and an average of 33°C (92°F), while August tends to be warmer, featuring a minimum of 29°C (84°F) and an average of 34°C (94°F). Additionally, September's maximum temperature reaches 38°C (101°F), compared to August's highest peak of 40°C (104°F). Both months experience no precipitation, with zero rainfall recorded, and humidity levels are quite similar, at 38% in September and 36% in August. For more information about August weather specifics, visit Ras Al Khaimah City weather in August.
September and October in Ras Al Khaimah showcase a notable shift in weather patterns. September typically enjoys higher temperatures, with a minimum of 27°C (81°F) and an average of 33°C (92°F), peaking at a scorching 38°C (101°F). In contrast, October experiences milder conditions, with a minimum of 23°C (74°F) and an average temperature of 30°C (86°F), reaching a maximum of 35°C (96°F). Additionally, October sees a slight increase in humidity, rising to 42% compared to September's 38%, while both months remain dry with negligible precipitation. For a detailed overview, you can check Ras Al Khaimah City weather in October.
September weather is characterized by high temperatures, with minimums reaching 27°C (81°F) and averaging a scorching 33°C (92°F), while maximums can soar up to 38°C (101°F). With no recorded precipitation and a humidity level of 38%, the month often feels hot and dry. In contrast, November brings cooler temperatures, with a minimum of 19°C (66°F) and an average of 25°C (78°F), peaking at a maximum of 33°C (91°F). This month also introduces some light precipitation, totaling 8 mm (0.3 in) over just one day, and a slight increase in humidity to 44%. This shift signifies a welcome relief from the intense summer heat. For more details, you can check Ras Al Khaimah City weather in November.
In September, the weather in Ras Al Khaimah is characterized by high temperatures, with a minimum of 27°C (81°F), an average of 33°C (92°F), and a maximum that can reach up to 38°C (101°F). The humidity is relatively low at 38%, and there is no recorded precipitation, making it a dry month. In contrast, December brings much cooler temperatures, with a minimum of 16°C (62°F), an average of 22°C (71°F), and a maximum of 28°C (82°F). Additionally, December experiences some rainfall, with 17 mm (0.7 in) over 3 days, and a slightly higher humidity level of 43%. For more details, check Ras Al Khaimah City weather in December.
As September rolls into Ras Al Khaimah, the weather maintains its warmth, showcasing high temperatures that linger around 33°C (92°F) on average, making it one of the hottest months of the year. Unlike the previous months, this period sees a delightful absence of rainfall, with 0 mm recorded, contributing to the arid charm of the region. Humidity stays relatively low at 38%, making the heat feel somewhat more bearable. This dry, warm climate sets the stage for outdoor adventures, as the city continues to bask in abundant sunshine. For more detailed insights into the year-round conditions, check out the full guide on Ras Al Khaimah City Climate.