September Weather in Sur, Oman

Last updated: August 31, 2025

In September, Sur, Oman experiences a warm climate characterized by a maximum temperature of 37°C (100°F) and an average of 30°C (87°F). With nighttime lows reaching a comfortable 25°C (77°F), the weather remains inviting for outdoor activities. Remarkably, the month records 0 mm of precipitation, indicating a completely dry spell, while humidity levels hover around 49%. This combination of heat and dryness creates an ideal environment for those seeking to enjoy the beautiful surroundings of Sur under clear, sunny skies.

September Temperature in Sur

In September, temperatures in Sur, Oman, begin to show a slight transition as the summer heat starts to ease. With a minimum temperature of 25°C (77°F), the evenings remain warm, setting a cozy atmosphere under the stars. The average temperature hovers around 30°C (87°F), providing a comfortable respite for both locals and visitors alike. As the month progresses, daytime highs peak at 37°C (100°F), still reflecting the tail end of the summer’s intensity. Compared to the preceding months, where temperatures consistently soared above 40°C, September marks a subtle shift towards milder conditions, heralding the approach of fall. This gradual cooling trend allows outdoor activities to flourish, making it a delightful time to explore the vibrant coastal scenes or immerse in the rich cultural experiences that Sur has to offer.

September Weather in Sur: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sur, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec697177859091898786837772
Data source: Temperature data for Sur generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sur

In September, Sur, Oman experiences a stark dry spell, recording 0 mm of precipitation and marking it as one of the driest months of the year. This trend continues from the summer months, where rainfall remains sparse, with June and August also reporting no significant precipitation. Interestingly, the absence of rain in September sets the stage for the anticipated shift in the weather patterns of October, which sees a slight resurgence with 6 mm of rain. Overall, this month underscores a characteristic arid climate prevalent in Sur, where the dry heat of early autumn contrasts sharply with the brief showers that follow in the coming months.

September Precipitation Trends in Sur

The chart displays monthly precipitation patterns in Sur, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Sur, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1044350630659
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sur

In September, Sur, Oman experiences a notable humidity level of 49%, marking a transitional phase in the region's weather patterns. This month is consistent with the slightly elevated humidity noted in August, where levels also reached 49%. As summer wanes, the humidity begins to rise more significantly into October, where it peaks at 54%. This trend suggests that while early fall retains residual warmth from summer, humidity steadily increases, setting the stage for the cooler months ahead. Overall, September is a pivotal month that smoothly ushers in the wetter conditions of autumn.

September Average Humidity in Sur

This chart illustrates the average monthly humidity levels in Sur, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Sur is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%46%43%42%47%46%48%49%49%54%51%50%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sur

In September, Sur, Oman, experiences a UV Index of 12, categorizing it as extreme with a burn time of just 10 minutes. This reflects a continuity of intense sun exposure characteristic of the summer months, where the UV Index remains at its peak, mostly hovering between 11 and 12 from March through September. As the month transitions into October, a slight decrease to an Index of 10 indicates a gradual shift towards milder conditions, marking the beginning of the fall season. It's crucial for residents and visitors alike to take necessary precautions during this period of extreme UV exposure. For more detailed information on UV levels throughout the year, check the Sur UV Index.

Maximum UV Index Levels in Sur for September

The chart shows the monthly maximum UV Index (UVI) for Sur in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Sur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111212121211121087
Data source: Sur September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Sur

As summer transitions into autumn, September in Sur, Oman, welcomes a delightful 330 hours of sunshine. This marks a slight decrease from the sun-drenched months of May and June, which boast the peak hours of bright, sunny skies at 370 and 363 hours, respectively. However, September still holds its own, with sunshine levels comparable to the balmy days of August and a firm grip on warmth as the year begins to cool down. The consistency in sunshine hours throughout the year highlights Sur's appeal, making it a radiant destination for sun-seekers even as the calendar approaches the year's end.

Monthly Sunshine Duration in Sur: September Highlighted

The September sunshine duration represents the total number of hours Sur experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec254h296h340h343h370h363h358h340h330h335h309h312h
Data source: Sur September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sur During September

September in Sur, Oman, showcases a 66% chance of sunny weather, which marks a noticeable dip from the peak summer months. While this percentage indicates a fair opportunity for enjoying sunlight, it's lower compared to the vibrant summer statistics, such as June's striking 98%. Interestingly, September transitions into a more pleasant climate as autumn approaches, but still retains a respectable likelihood of clear skies. Observing the trends, the weather certainly becomes more unpredictable compared to the sun-soaked earlier months, yet it remains a favorable time to visit before the onset of the cooler October, which boasts an 87% chance of sunshine. Thus, September is an ideal month to embrace the lingering summer vibes while enjoying milder temperatures in Sur.

Percentage of Sunny Days in September in Sur

The chart illustrates the percentage of sunny days in Sur throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec98%87%96%81%75%98%63%81%66%87%97%79%
Data source: Sur September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sur in September

In September, Sur, Oman experiences a comfortable daylight duration of 12 hours, mirroring the longer days of summer just as they begin to fade into autumn. Following a peak of 13 hours in the vibrant months of May through August, September marks a gradual transition as daylight wanes, paving the way for the shorter days of October. This steady decline in daylight, observed throughout the year, reflects the region's consistent yet subtle rhythm of seasonal change. With daylight decreasing from 13 hours in summer to 11 hours in October, September serves as a perfect bridge, offering ample sunlight for outdoor activities while hinting at the cozy evenings ahead.

Average Daylight Hours in Sur for September

The chart illustrates the variation in daylight duration in Sur throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 40m13h 12m13h 28m13h 20m12h 52m12h 14m11h 36m11h 2m10h 45m
Data source: Sur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sur

As September unfolds in Sur, Oman, the winds begin to mellow, averaging 3.4 m/s (8 mph). This slight dip marks a transition from the summer's more robust gusts, which peaked in July at a lively 5.1 m/s (11 mph). The month smoothly bridges the vibrant breezes of summer and the calmer winds of autumn, creating a serene atmosphere ideal for outdoor activities. In fact, September’s breeze is reminiscent of late summer, inviting residents and visitors alike to savor the lingering warmth just before the cooler months set in. With this gentle wind pattern, September stands as a delightful interlude in Sur's climatic rhythm.

Average September Wind Speed in Sur

The chart displays monthly wind speed patterns in Sur, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.72.32.72.93.53.85.14.13.4 m/s2.83.02.5
Data source: Sur September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sur Compares to Other Months

Weather in Sur varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sur, focusing on differences in temperature, rainfall, humidity, and UV levels.

September weather is characterized by significantly higher temperatures, with daily averages around 30°C (87°F) and maximums reaching up to 37°C (100°F). In contrast, January offers much cooler conditions, with average temperatures of 21°C (69°F) and highs peaking at 29°C (84°F). While September remains dry with no recorded precipitation, January sees slight moisture with about 10 mm (0.4 in) over two days. Despite the slight increase in humidity from September to January, both months maintain relatively comfortable levels, making the transition from the sweltering heat of September to the milder January a refreshing change. For more details, you can explore Sur weather in January.

September and February showcase distinct weather patterns, reflecting the transition from late summer to early spring. In September, the temperatures soar, with averages around 30°C (87°F) and highs reaching up to 37°C (100°F), all while enjoying remarkably dry conditions with no recorded precipitation. In contrast, February brings cooler temperatures, averaging 22°C (71°F) with a maximum of 31°C (88°F), accompanied by a slight increase in humidity and a trace of rainfall. This slight change in weather can be attributed to the seasonal shift, which makes February a more comfortable month overall. For more details, you can explore Sur weather in February.

September and March present distinctly different weather patterns. In September, temperatures soar, with minimums around 25°C (77°F) and maximums reaching a sweltering 37°C (100°F), while averaging at 30°C (87°F). The month is characterized by dry conditions, with no recorded precipitation and a humidity level of 49%. In contrast, March offers a more moderate climate, featuring lower minimum temperatures of 18°C (65°F) and maximums around 35°C (94°F), leading to an average of 25°C (77°F). Although March experiences a slight increase in precipitation at 4 mm (0.2 in), it still maintains a relatively dry profile with no rainy days and a humidity level of 43%. For more details, you can check Sur weather in March.

In September, the weather is generally hotter, with temperatures ranging from a minimum of 25°C (77°F) to an average of 30°C (87°F) and highs reaching up to 37°C (100°F). The month remains dry, boasting 0 mm of precipitation and maintaining a humidity level of 49%. In contrast, April experiences slightly cooler temperatures, with a minimum of 21°C (71°F) and an average of 29°C (85°F), while also seeing maximum temperatures reaching 37°C (99°F). However, April does introduce some minimal precipitation, with 3 mm recorded, and a lower humidity level of 42%. For more details on the weather specific to April, you can check Sur weather in April.

In comparing the weather between September and May, both months experience warm temperatures, with September averaging around 30°C (87°F) and reaching a maximum of 37°C (100°F). In contrast, May is hotter on average, with temperatures peaking at 42°C (108°F), although it still starts at a minimum of 25°C (78°F). Interestingly, May sees a slight increase in precipitation, averaging 5 mm (0.2 in) over just one day, while September remains completely dry with no recorded rainfall. Humidity levels are fairly similar, with September at 49% and May slightly lower at 47%. For more details on May weather, check out Sur weather in May.

September and June both showcase warm weather, but June tends to be slightly hotter overall. June's average temperature peaks at 33°C (91°F), with maximum highs reaching as high as 41°C (106°F), compared to September's average temperature of 30°C (87°F) and maximum highs of 37°C (100°F). Both months experience no precipitation and exhibit low humidity levels, with September at 49% and June at 46%. For more detailed information, you can check Sur weather in June.

In comparing the weather of September and July, September showcases slightly more moderate temperatures, with a minimum of 25°C (77°F) and an average of 30°C (87°F), while July experiences a minimum of 26°C (78°F) and an average of 32°C (89°F). Notably, July tends to be hotter, reaching a maximum of 40°C (105°F), compared to September’s peak of 37°C (100°F). Additionally, September enjoys completely dry conditions with no precipitation, whereas July has a modest rainfall of 6 mm (0.2 in) over just one day. Humidity levels are quite similar, with September at 49% and July slightly lower at 48%. For more detailed information on July weather, visit Sur weather in July.

In comparing the weather between September and August, September experiences slightly cooler temperatures, with an average of 30°C (87°F) compared to August's average of 31°C (87°F). The maximum temperatures also drop, from 39°C (102°F) in August to 37°C (100°F) in September. Both months boast low precipitation levels, with September receiving no rain and August only 3 mm (0.1 in), making it a drier month overall. Humidity remains consistent at 49% for both months. For more detailed insights, visit Sur weather in August.

In September, the weather is characterized by higher temperatures, with a minimum of 25°C (77°F) and an average of 30°C (87°F), peaking at a scorching 37°C (100°F). The month boasts completely dry conditions with no recorded precipitation and relatively lower humidity at 49%. In contrast, October brings a slight drop in temperatures, with a minimum of 21°C (70°F) and an average of 28°C (83°F), while the maximum settles at 36°C (96°F). Notably, October experiences some precipitation, with 6 mm (0.2 in) over just one day, along with a slight increase in humidity to 54%. For more details, you can check out Sur weather in October.

September typically experiences hotter weather, with average temperatures peaking at 30°C (87°F) and highs reaching up to 37°C (100°F). In contrast, November sees a noticeable drop in temperature, with averages around 25°C (77°F) and maximums of 32°C (89°F). Additionally, while both months have low precipitation, November records a slight increase with 4 mm (0.2 in) of rain compared to September's dry conditions. Humidity remains relatively similar, providing a mild transition into the cooler season. For more details about November weather, visit Sur weather in November.

September typically boasts much warmer temperatures, with minimums around 25°C (77°F) and maximums reaching up to 37°C (100°F), making it significantly hotter than December. In contrast, December's climate is milder, with average temperatures ranging from a minimum of 16°C (62°F) to a maximum of 29°C (85°F). While September remains dry with no recorded precipitation, December experiences slight rainfall, totaling 9 mm (0.4 in) over just two days. Interestingly, both months share the same humidity level of 49%, contributing to a relatively comfortable atmosphere despite the temperature differences. For a detailed look at December weather, you can visit Sur weather in December.

Compare Sur's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sur

September in Sur presents a striking contrast to other months, with hot temperatures peaking at 37°C (100°F) and maintaining a warm average of 30°C (87°F), making it one of the hottest periods of the year. Unlike other months that feature occasional rainfall, September boasts a completely dry record, further intensifying the heat with low humidity levels around 49%. This lack of precipitation means clear skies dominate, offering ample sunshine and warmth for outdoor activities. To explore more about the unique climate patterns in this vibrant region, visit Sur Climate.