Last updated: August 31, 2025
In September, Rustaq, Oman, experiences hot and dry conditions, with maximum temperatures soaring up to 42°C (108°F) and an average of 33°C (91°F). Nights offer a brief respite from the heat, with minimum temperatures dipping to around 25°C (77°F). Remarkably, the month sees no precipitation, resulting in 0 mm (0.0 in) of rainfall and 0 rainy days, while the humidity remains low at 25%, further emphasizing the arid climate. This combination of high temperatures and dry air makes September a quintessential representation of the region’s desert summer climate.
In September, Rustaq, Oman, experiences a noticeable warmth as summer transitions to fall. The temperatures begin with a minimum of 25°C (77°F), providing a hint of relief from the scorching heat of the preceding months. The average temperature rises to a sultry 33°C (91°F), while the maximum can reach up to 42°C (108°F). This month reflects a shift from the extreme highs of summer, yet it remains a climactic time with significant warmth. As the days shorten and the heat gradually subsides, visitors can enjoy the lingering warmth, making it a vibrant time to experience Rustaq’s cultural richness amidst the warm climate.
In September, Rustaq, Oman experiences a notable dry spell, with no recorded precipitation for the month, continuing a trend of minimal rain that begins in the summer months. Following the rains in January through May, where light showers accumulated to a mere 10 mm in February, the region transitions into a dry phase with June, July, and August witnessing scant rainfall. This pattern underscores the region's arid climate, as September's clear skies set the stage for a gradual uptick in moisture in the following months, with October promising a return to wet conditions with 9 mm of rainfall expected.
In September, Rustaq, Oman experiences a slight uptick in humidity, rising to 25% after a summer of relatively low humidity, peaking at just 19% in July and June. This gradual increase signals the transition into the more humid autumn months, as the humidity levels continue to climb toward October's 35%. Interestingly, September's figures still fall far below the winter months, when humidity can soar to 44%-45% in November and December. This trend illustrates Rustaq's shift from the dry heat of summer toward the milder, more humid conditions of fall, creating a dynamic climate experience throughout the year.
As the summer transitions to autumn in September, Rustaq, Oman continues to experience a notably high UV Index, registering at 11 and falling under the extreme exposure category. This trend remains consistent from August, where the UV Index was also at 11, highlighting the persistent intensity of the sun's rays during this time of year. With a burn time reduced to just 10 minutes, it's essential for residents and visitors alike to take precautionary measures against potential skin damage. This pattern of elevated UV levels persists into the months prior, peaking in May with a UV Index of 13, before gradually tapering off in October. For those planning to be outdoors, staying informed is crucial; for detailed insights, check out Rustaq UV Index.
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September in Rustaq, Oman, is a delightful continuation of summer's embrace, with 333 hours of sunshine that sets the stage for a golden transition into autumn. As days shorten gradually, the tail end of summer still offers plenty of warmth and bright skies, following a peak in sunshine hours from May through July. Interestingly, while sunshine hours begin to wane in the fall, September continues to showcase a remarkable abundance of sunlight, mirroring the earlier months of June and July. This vibrant sunshine not only enhances the natural beauty of Rustaq but also creates the perfect backdrop for outdoor activities and cultural experiences, making it an ideal time to explore this enchanting region.
In Rustaq, Oman, September is characterized by a moderate likelihood of sunny weather, with a 75% chance of sunshine. This places it comfortably in the middle tier of the annual sunshine spectrum. As the sweltering summer months draw to a close, September sees a slight dip in sun exposure compared to the preceding months, notably August's robust 85%. However, it stands well above the low-point of July, where sunniness plummets to 69%. Following September, October ushers in brighter days, boasting an 86% chance of sun, hinting at a steady transition into the more favorable autumn months. Overall, September maintains a pleasing balance of sunny spells, making it a pleasant time to enjoy the outdoors in this vibrant region.
In Rustaq, Oman, the pattern of daylight duration reveals a captivating rhythm throughout the year. As winter gives way to spring, daylight begins its gradual ascent, peaking at an impressive 13 hours during the height of summer in May, June, and July. Following this, a subtle decline in daylight hours is observed as the seasons shift; August marks the beginning of this descent, with 12 hours of daylight, which continues through September. This transitional month sees a return to 12 hours of daylight, providing a comfortable balance before the length of days decreases again in the fall, settling at 11 hours for both October and November. Ultimately, as the year rounds out, daylight wanes to 10 hours by December, completing the cycle and hinting at the return of longer days ahead.
In September, Rustaq, Oman begins to feel a subtle shift in its breezy rhythm, with an average wind speed of 2.3 m/s (5 mph). This marks a slight decline from the summer months, reflecting the transition into autumn. Throughout the year, the winds have remained pleasantly mild, peaking in May at 2.6 m/s (6 mph) before gradually easing down to 2.1 m/s (5 mph) in November. The gentle breezes of this month encapsulate the essence of transitioning seasons, providing a refreshing prelude to the cooler days ahead while maintaining the consistent calm that Rustaq is known for.
Weather in Rustaq varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rustaq, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather patterns. In September, temperatures soar, with minimums around 25°C (77°F) and maximums reaching up to 42°C (108°F), creating a hot and dry atmosphere with no recorded precipitation and a low humidity of 25%. In contrast, January offers a much milder climate, featuring minimum temperatures of 9°C (49°F) and maximums of 30°C (86°F). This month experiences some precipitation, albeit modest, at 9 mm (0.4 in) over two days, and the humidity levels are higher at 41%. For more details on January weather, check out Rustaq weather in January.
In September, the weather is typically scorching, with average temperatures soaring to 33°C (91°F) and maximums reaching 42°C (108°F). The month is characterized by dry conditions, with no recorded precipitation and low humidity levels around 25%. In contrast, February sees a significant drop in temperature, with an average of 21°C (71°F) and maximums of 33°C (92°F). While still warm, February is notably cooler, with at least a bit of rain (10 mm) and slightly higher humidity at 31%. For a detailed overview of weather conditions in February, you can check Rustaq weather in February.
September features consistently high temperatures, with a minimum of 25°C (77°F), an average of 33°C (91°F), and a scorching maximum of 42°C (108°F). The month is characterized by dry conditions, boasting no recorded precipitation and low humidity at 25%. In contrast, March brings a more moderate climate, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 38°C (101°F), averaging around 25°C (78°F). While it is still relatively dry, March does see a slight increase in precipitation, with about 8 mm (0.3 in) over the course of just one day, and humidity at 21%. For more details, you can check out the Rustaq weather in March.
In comparing the weather between September and April, September tends to be hotter, with average temperatures reaching 33°C (91°F) and maximums soaring up to 42°C (108°F). In contrast, April experiences slightly cooler conditions, with an average temperature of 30°C (87°F) and a maximum of 41°C (107°F). Additionally, September is notably dry, boasting no rainfall, while April has minimal precipitation at 5 mm (0.2 in) over just one day. Humidity levels are also slightly higher in September at 25% compared to April's 19%. For more details on the specific weather conditions in Rustaq during April, you can check Rustaq weather in April.
In comparing the weather between September and May, September tends to be slightly cooler overall, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 42°C (108°F) and no recorded precipitation. In contrast, May experiences a higher maximum temperature of 46°C (115°F), while its average temperature is comparable at 34°C (93°F), closely aligning with September’s average. Additionally, May sees some precipitation, albeit modest, with 7 mm (0.3 in) over two days, while September remains completely dry. Humidity levels are similar, with September at 25% and May slightly lower at 22%. For a closer look at May’s weather specifics, you can check Rustaq weather in May.
September generally experiences slightly lower temperatures compared to June, with minimums of 25°C (77°F) in September versus 29°C (84°F) in June. The average temperature in September is 33°C (91°F), while June's average peaks at a hotter 36°C (98°F). Additionally, June records maximum temperatures that can soar up to 46°C (116°F), compared to September's maximum of 42°C (108°F). Both months are remarkably dry, with no recorded precipitation, but September has a higher humidity level of 25% compared to the lower 17% in June. For more detailed insights, you can check Rustaq weather in June.
In comparing the weather of September and July, September experiences slightly lower temperatures, with minimums around 25°C (77°F) and an average of 33°C (91°F), while July is warmer, starting at a minimum of 27°C (81°F) and averaging 35°C (96°F). The maximum temperatures in July can reach up to 45°C (113°F), surpassing September's peak of 42°C (108°F). Interestingly, while July sees a bit of precipitation, with around 3 mm (0.1 in), September remains completely dry, boasting 0 mm of rainfall. Humidity levels also differ slightly, with September at 25% compared to July's lower 19%. For more detailed information, you can check out Rustaq weather in July.
In comparing the weather of September and August, September features slightly cooler temperatures with minimums around 25°C (77°F) and a maximum of 42°C (108°F), while August experiences a lower minimum of 27°C (81°F) but peaks at a hotter 44°C (111°F). The average temperature in September is 33°C (91°F), compared to 34°C (94°F) in August. Interestingly, both months recorded no significant precipitation; however, August noted a minimal 1 mm (0.1 in) of rain. Humidity levels are relatively similar, with September at 25% and August at 23%. For more specific weather details in August, you can refer to Rustaq weather in August.
In September, the weather remains hot and dry with minimum temperatures around 25°C (77°F) and averaging 33°C (91°F), reaching a maximum of 42°C (108°F). The month experiences no rainfall and low humidity at 25%. In contrast, October brings slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 29°C (85°F), peaking at 39°C (102°F). Additionally, October sees a small amount of precipitation, totaling 9 mm (0.4 in), alongside an increase in humidity to 35%. For more detailed insights into October's weather conditions, check out Rustaq weather in October.
In September, the weather is characterized by high temperatures, with minimums around 25°C (77°F) and maximums soaring up to 42°C (108°F). The heat is intense, averaging 33°C (91°F) with no recorded precipitation and low humidity at 25%. In contrast, November brings a noticeable cool-down, with minimum temperatures dropping to 15°C (60°F) and maximums reaching 33°C (92°F). The average temperature falls to a more comfortable 24°C (76°F), accompanied by some rainfall of about 8mm (0.3 in) over just one day and an increase in humidity to 44%. For more detailed weather information, you can check Rustaq weather in November.
In September, the weather is characterized by high temperatures, with a minimum of 25°C (77°F) and an average of 33°C (91°F), peaking at a scorching 42°C (108°F), all under dry conditions with no recorded precipitation and a humidity level of just 25%. In contrast, December brings a significant drop in temperature, with a minimum of 12°C (53°F), an average of 21°C (70°F), and a maximum of 31°C (89°F). This month also sees a slight increase in humidity to 45% and a total of 13 mm (0.5 in) of rainfall over just one day. For more details on December weather, you can check Rustaq weather in December.
In September, Rustaq basks in the warmth of summer's lingering embrace, with average temperatures reaching a balmy 33°C (91°F). Unlike the cooler months that follow, this month boasts an impressive maximum of 42°C (108°F), making it one of the hottest periods of the year. The dry climate is underscored by zero precipitation and a low humidity level of 25%, allowing for clear skies and relentless sunshine. Compared to the autumn months ahead, September stands out as a time of unyielding heat, drawing both locals and visitors to embrace its scorching allure. For a deeper dive into Rustaq’s climate variations, explore Rustaq Climate.