Last updated: August 31, 2025
In September, Mecca, Saudi Arabia experiences scorching heat, with maximum temperatures soaring to 48°C (118°F) and an average of 35°C (95°F), providing a true testament to the desert climate. The minimum temperature is a relatively mild 25°C (77°F), offering some relief during the cooler nighttime hours. Rainfall is minimal, with an average precipitation of just 3 mm (0.1 in) occurring across only one day of the month. Humidity levels hover around 47%, contributing to the often-stifling conditions. This combination of extreme heat and low precipitation makes September a challenging month for outdoor activities in this revered city.
In September, temperatures in Mecca, Saudi Arabia continue the sweltering pattern seen throughout the summer months, though a slight cooling trend begins to emerge. The minimum temperature hovers at a comfortable 25°C (77°F), while the average temperature reaches a steamy 35°C (95°F). With maximums soaring to 48°C (118°F), the month adheres to the intense heat characteristic of the region, trailing closely behind the peak summer months of July and August. Despite these high temperatures, the slight dip in afternoon highs suggests a gradual transition towards the cooler autumn months, making early September a still vibrant month for pilgrims and tourists experiencing the bustling atmosphere of this sacred city.
In September, Mecca experiences a modest rainfall of 3 mm (0.1 in), consistent with the dry summer months that precede it. This marks one of the last instances of precipitation before the seasonal shift begins, reflecting the region’s arid climate. A single day of rain is typical for this time, indicating that while September may see an uptick in humidity, it doesn't significantly alter the overall dry conditions. As the year progresses into October and November, a marked increase in precipitation is expected, with November usually delivering the highest rainfall. Thus, September serves as a transitional month, bridging the sparse rains of summer and the more substantial downpours of autumn.
In September, Mecca experiences a notable shift in humidity, recording 47%, which is a slight decrease from the higher levels seen in August. This month marks a transition as the humidity starts to stabilize after the peak of summer, which often sees elevated moisture levels. Overall, this September reading reflects a broader trend where humidity begins to ebb after months of rising levels from April's 47% to August's peak of 52%. As the year progresses, Mecca's humidity typically fluctuates, with the fall months generally bringing a gradual decrease, setting the stage for the drier winter months ahead.
As September unfolds in Mecca, Saudi Arabia, residents and visitors experience a very high UV Index of 10, signaling a need for sun protection with a burn time of just 15 minutes. This month's UV levels reflect a slight decrease from the peak of 13 in May, but still remain notably elevated. Over the previous months, the UV Index hovered at extreme levels, highlighting the region's intense sun exposure during the summer. With October showing a similar UV Index, it’s clear that the tail end of the summer retains significant solar intensity. Staying aware of these trends is essential for anyone enjoying the outdoor splendor of Mecca. For more detailed information, visit Mecca UV Index.
UV Risk Categories
As summer transitions to autumn, September in Mecca showcases a pleasant retreat from the peaks of sun-soaked hours experienced earlier in the year. With 326 hours of sunshine, September marks a slight dip from the vibrant days of May and June, yet it still reflects the region's characteristic warmth and radiance. Following a summer of consistent brightness, this month stands out with a gentle ease, creating an inviting atmosphere for visitors and locals alike. While the amount of sunshine is less than that of the summer months, it remains considerably higher than the winter variations, underscoring Mecca's enduring appeal as a sunlit destination throughout the year.
In Mecca, Saudi Arabia, September presents a 74% chance of sunny weather, marking a transition as summer wanes and autumn approaches. This month experiences a notable dip in sunshine probability compared to the peak summer months, particularly July, which holds the lowest chance at 59%. Following the intense heat, September's sunshine likelihood is on a downward trend from the more consistently bright days of March and May, which boast 97% and 89% respectively. Despite this slight decline, September still enjoys a favorable amount of sunshine, making it a wonderful time for visitors to experience the city's rich culture and spirituality under a warm sun. As the season progresses, October sees a rebound in sunny days to 90%, heralding the return of more stable and sunny conditions.
As September rolls into Mecca, the daylight duration settles at 12 hours, mirroring the sunlit hours of both March and April. This month marks a transition point, with the daylight gradually tapering off from the longer summer days experienced in May through August, when Mecca basked in 13 hours of sunshine. The consistent daylight from March to September illustrates a pleasant balance, creating an inviting atmosphere for worshippers and visitors alike. As the days begin to shorten, the city prepares to embrace the cooler evenings of October and November, where daylight dips back to 11 hours, marking a seasonal shift in this vibrant region.
In September, the wind in Mecca gently sweeps through the city at an average speed of 3.1 m/s (7 mph), maintaining a sense of calm as summer draws to a close. This month marks a slight decrease in wind speed compared to the busier months of July and August, when gusts peaked at 3.6 m/s (8 mph) and 3.3 m/s (7 mph), respectively. Consistent with the seasonal trends, September's breezes are part of a pattern where the wind gradually softens as autumn approaches, transitioning from the vigorous summer winds. In contrast, the winter months see a further dip, with averages dropping to around 2.5-2.7 m/s. This gradual ebb and flow of wind speeds not only shapes the climate but also influences the experience of both residents and pilgrims in this sacred city.
Weather in Mecca varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mecca, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by scorching temperatures, with averages reaching up to 35°C (95°F) and maximums soaring to 48°C (118°F), along with high humidity levels of 47%. In contrast, January offers a much cooler climate, with an average temperature of 24°C (75°F) and maximums around 34°C (94°F). The precipitation levels in January are slightly higher at 4 mm (0.2 in) compared to just 3 mm (0.1 in) in September, though both months see minimal rainy days. For more detailed insights into January weather, you can check out Mecca weather in January.
In September, the weather is characterized by significantly higher temperatures, with minimums around 25°C (77°F), average highs of 35°C (95°F), and extreme peaks reaching up to 48°C (118°F). The month sees very little precipitation, with only 3 mm (0.1 in) recorded over just one day, accompanied by a humidity level of 47%.
In contrast, February offers a much cooler climate, with minimum temperatures dropping to 12°C (54°F) and average highs around 25°C (77°F), peaking at 38°C (100°F). While February receives more rainfall at 11 mm (0.4 in) and maintains a slightly lower humidity of 41%, it feels more comfortable than the scorching heat of September. For more detailed insights on February weather, you can check Mecca weather in February.
In September, the temperatures soar with a minimum of 25°C (77°F) and an average high reaching a blistering 35°C (95°F), peaking at an extreme 48°C (118°F). The month is relatively dry, with only 3 mm of precipitation over just 1 day, and humidity sits at 47%. In contrast, March presents a more moderate climate, featuring a minimum temperature of 14°C (58°F) and an average of 28°C (82°F), with a maximum of 40°C (104°F). Precipitation is slightly lower at 2 mm and occurs over 0 days, while humidity remains slightly lower at 44%. For more detailed information on how weather conditions play out in March, you can explore Mecca weather in March.
When comparing the weather in September and April, notable differences are evident. September boasts much higher temperatures, with an average high of 35°C (95°F) and a maximum that can soar to 48°C (118°F). In contrast, April’s temperatures are milder, averaging around 31°C (88°F) with a maximum of 43°C (110°F). Additionally, April experiences more precipitation, with about 15 mm (0.6 in) falling over two days, while September is drier, receiving only 3 mm (0.1 in) of rain on just one day. Both months share a similar humidity level of 47%, but the overall experience of warmth is more pronounced in September. For more detailed insights on the climate, check out Mecca weather in April.
In comparing the weather between September and May, September emerges as the hotter month, with average temperatures reaching up to 35°C (95°F) and maximums soaring to 48°C (118°F). In contrast, May offers slightly cooler averages, typically around 34°C (94°F), with a maximum of 47°C (117°F). While both months exhibit low humidity, September has a marginally higher humidity level of 47% compared to May's 45%. Rainfall is also more prevalent in May, with an average of 11 mm (0.4 in) over three days, unlike September's minimal precipitation of just 3 mm (0.1 in) over a single day. For more detailed insights, you can check Mecca weather in May.
In comparing the weather of September and June, we find that both months offer impressively high temperatures, with June slightly edging out September in terms of average heat. September's temperatures range from a minimum of 25°C (77°F) to an average of 35°C (95°F), peaking at 48°C (118°F), while June sees almost the same minimum but reaches an average of 36°C (97°F) with the same maximum of 48°C (118°F). Both months experience minimal rainfall, with only 3 mm (0.1 in) of precipitation occurring across just one day, and humidity levels are also quite close—47% in September compared to 43% in June. For more specific details on June's climate, you can visit Mecca weather in June.
In comparing the weather between July and September, both months exhibit extreme heat, but September tends to have slightly cooler temperatures. In July, the minimum temperature is 26°C (79°F), reaching up to a maximum of 50°C (122°F), with an average of 36°C (97°F). Notably, July experiences no precipitation and lower humidity at 40%. In contrast, September features a minimum of 25°C (77°F) and a maximum of 48°C (118°F), with an average temperature of 35°C (95°F). Although it remains predominantly dry with only 3 mm of precipitation over one day, the humidity rises to 47%, making it feel slightly more uncomfortable than July. For more details on July weather, you can visit Mecca weather in July.
In comparing the weather of September and August, we observe that September experiences slightly cooler temperatures overall, with a minimum of 25°C (77°F), an average of 35°C (95°F), and a maximum of 48°C (118°F), compared to August, which has a minimum of 27°C (81°F), an average of 36°C (96°F), and a peak of 49°C (120°F). Both months share identical precipitation levels, receiving only 3 mm (0.1 in) on one day, yet August's humidity is notably higher at 52%, while September boasts a lower humidity of 47%. For more details on the specific conditions in August, you can refer to Mecca weather in August.
September typically experiences hotter temperatures, with a minimum of 25°C (77°F) and an average high reaching 48°C (118°F). The month sees minimal precipitation, averaging only 3 mm (0.1 in) on just one day, accompanied by a humidity level of 47%. In contrast, October brings slightly milder conditions, with minimum temperatures dropping to 21°C (70°F) and an average high of 43°C (110°F). Precipitation increases to 5 mm (0.2 in) over the same duration, and humidity rises slightly to 50%. This transition marks a shift to more comfortable weather as the region moves deeper into autumn. For more detailed insights, check out Mecca weather in October.
In September, the weather is characterized by extreme heat, with average temperatures reaching a scorching 35°C (95°F) and maximums soaring up to 48°C (118°F). The month experiences minimal precipitation, averaging just 3 mm (0.1 in) over only one day, coupled with a moderate humidity level of 47%. In contrast, November brings milder conditions, with temperatures dropping to an average of 28°C (83°F) and a maximum of 38°C (101°F). Additionally, November sees a significant increase in rainfall, totaling 23 mm (0.9 in) over four days, while humidity slightly declines to 45%. For more detailed insights on November weather in Mecca, visit Mecca weather in November.
September weather in Mecca is characterized by intense heat, with average temperatures reaching a sweltering 35°C (95°F) and maximums soaring to 48°C (118°F). Humidity remains relatively high at 47%, and with only minimal rainfall of 3 mm over just one day, the month is predominantly dry. In contrast, December offers a dramatic shift in climate, featuring much cooler temperatures with averages around 26°C (79°F) and maximums peaking at 36°C (96°F). While precipitation slightly increases to 6 mm, the humidity drops to 42%, creating a more comfortable atmosphere. For more detailed insights, you can check Mecca weather in December.
As September unfolds in Mecca, the weather shifts into a notably warm and arid phase, characterized by high temperatures and minimal precipitation. Unlike the cooler months, where humidity might provide some relief, September's average temperature steadily hovers around 35°C (95°F), occasionally soaring to extremes near 48°C (118°F). With only one day of rain and a dryness that enhances the heat, September stands in stark contrast to the wetter seasons. For more insights about what to expect in this vibrant city throughout the year, check out Mecca Climate.