September Weather in Jeddah, Saudi Arabia

Last updated: August 31, 2025

In September, Jeddah, Saudi Arabia, experiences typically warm conditions, with temperatures soaring to a maximum of 40°C (104°F) and an average of 32°C (90°F), while minimum temperatures hover around 27°C (81°F). The month is notably dry, showcasing zero precipitation, marking it as a time of clear skies and low humidity levels at 47%. This combination of high temperatures and lack of rain makes September an ideal time for experiencing the vibrant culture and seaside allure of Jeddah, inviting visitors and residents alike to enjoy the city's enchanting atmosphere.

September Temperature in Jeddah

In September, Jeddah, Saudi Arabia, continues to bask in the warmth of summer, with temperatures showcasing a comfortable blend of heat and humidity. The month typically starts with a minimum temperature of 27°C (81°F) and peaks at an impressive 40°C (104°F), maintaining an average of 32°C (90°F). Compared to the previous months, September marks a gradual decline from the sweltering July and August, yet still offers plenty of sunny days. This persistent warmth signals the transition towards the milder autumn months, appealing to both residents and visitors eager to enjoy the vibrant atmosphere of the coastal city before cooler winds begin to roll in.

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

The chart illustrates September temperature patterns in Jeddah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jeddah, 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).
JanFebMarAprMayJunJulAugSepOctNovDec757578838889919190878279
Data source: Temperature data for Jeddah generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Jeddah

September marks a particularly dry month in Jeddah, Saudi Arabia, with zero millimeters of precipitation recorded and no rainy days to speak of. This lack of rainfall is consistent with the preceding summer months, where July and August also experienced no precipitation at all. As the region transitions into autumn, the trend of minimal rainfall continues, setting the stage for the onset of slightly wetter conditions in the coming months. In fact, October and November are poised to offer a reprieve from the arid summer, gradually introducing more meaningful precipitation levels as the year draws to a close.

September Precipitation Trends in Jeddah

The chart displays monthly precipitation patterns in Jeddah, 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 Jeddah, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6624200102226
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jeddah

In September, Jeddah experiences a notable humidity level of 47%, marking a slight decrease from the peak of 52% in August. This transition indicates the onset of autumn, as the sweltering summer months give way to milder conditions. Throughout the year, humidity levels in Jeddah fluctuate, with January and February settling at a comfortable 41%, while the spring months see a gradual increase, peaking in late summer. As September arrives, humidity begins to stabilize, foreshadowing the upcoming months where levels hover around 50% in October. This trend reflects the city's unique coastal climate, where humidity plays a significant role in shaping the overall weather experience.

September Average Humidity in Jeddah

This chart illustrates the average monthly humidity levels in Jeddah, 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 Jeddah is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%44%47%45%43%40%52%48%50%45%42%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jeddah

In September, Jeddah experiences a UV Index of 10, categorizing it as very high, with a potential burn time of just 15 minutes. This continued exposure comes off the heels of an intense summer, marked by extreme levels of UV radiation from March through August, where indices hovered around 11 to 13, demanding vigilant sun protection measures. As the month transitions into autumn, while the UV levels remain significant, it signals a slight easing from the peak of summer's solar intensity. This trend underscores the importance of year-round sun safety in Jeddah, as even a drop to very high levels warrants caution. For detailed insights on UV conditions throughout the year, check out Jeddah UV Index.

Maximum UV Index Levels in Jeddah for September

The chart shows the monthly maximum UV Index (UVI) for Jeddah 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 Jeddah typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec89111213111111101086
Data source: Jeddah 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 Jeddah

In September, Jeddah enjoys a vibrant backdrop of 324 hours of sunshine, marking a subtle transition as summer begins to wane. This amount, while lower than the peak of 370 hours seen in May, still reflects an impressive standard of bright skies typical for the region. As the year progresses, September's sunshine hints at the balance between the scorching summer months and the more moderate fall ahead. Notably, the total hours of sunlight shows a gentle decline from the summer highs, yet remains more than sufficient to bask in the warmth, inviting residents and visitors alike to savor the lingering summer vibe. As October approaches, Jeddah will continue to enjoy ample sunshine, with 328 hours forecasted, ensuring that its coastal charm remains a sunlit retreat even as autumn edges closer.

Monthly Sunshine Duration in Jeddah: September Highlighted

The September sunshine duration represents the total number of hours Jeddah 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.
JanFebMarAprMayJunJulAugSepOctNovDec256h293h343h350h370h357h366h358h324h328h305h308h
Data source: Jeddah September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jeddah During September

In September, Jeddah enjoys a 76% chance of sunny weather, maintaining a trend of warmth as summer fades into autumn. While this percentage indicates a slight dip compared to the sun-drenched months of July and August, it still reflects a considerable opportunity for sunshine, particularly as the city transitions from the intense summer heat. This time of year hints at a return to more favorable conditions, paving the way for clearer skies ahead, as indicated by the rising likelihood of sun in October and November. Whether you're a sun-seeker or planning outdoor activities, September in Jeddah presents a tantalizing blend of warmth and light, albeit with a slightly reduced guarantee of clear skies.

Percentage of Sunny Days in September in Jeddah

The chart illustrates the percentage of sunny days in Jeddah 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 Jeddah experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec90%80%97%79%93%85%59%85%76%91%93%61%
Data source: Jeddah September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jeddah in September

As summer gives way to autumn in Jeddah, Saudi Arabia, September sees a gradual transition in daylight hours, continuing the trend established earlier in the year. With 12 hours of daylight, September maintains the same duration as the preceding month, August, heralding a slight shift from the peak summer light of 13 hours experienced from May through July. This consistent daylight offers a perfect blend of sunshine while hinting at the shorter days ahead in October and November, where daylight decreases to 11 hours. The evolution of daylight throughout the year in Jeddah not only defines the rhythm of daily life but also beautifully illustrates the transition between seasons in this vibrant coastal city.

Average Daylight Hours in Jeddah for September

The chart illustrates the variation in daylight duration in Jeddah throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 58m11h 25m12h 1m12h 38m13h 9m13h 24m13h 16m12h 49m12h 14m11h 37m11h 5m10h 50m
Data source: Jeddah daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jeddah

As September arrives in Jeddah, the average wind speed reaches a moderate 4.9 m/s (11 mph), making it one of the breezier months of the year. This slight uptick from the summer months reflects a shift in the seasonal winds, offering a refreshing respite as the sweltering heat begins to wane. In contrast to the preceding months where wind speeds hovered around 4.0 to 4.8 m/s, September's pleasant breezes pave the way for a transition into the cooler fall months. While the winds will gradually taper off in October and November, with average speeds dropping to 3.9 m/s (9 mph) and 3.8 m/s (8 mph) respectively, September stands out as a moment of comfort before the calm of autumn settles in.

Average September Wind Speed in Jeddah

The chart displays monthly wind speed patterns in Jeddah, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.14.84.64.04.64.84.54.9 m/s3.93.84.3
Data source: Jeddah September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jeddah Compares to Other Months

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

In September, Jeddah experiences hot weather, with temperatures ranging from a minimum of 27°C (81°F) to a scorching maximum of 40°C (104°F) and an average temperature of 32°C (90°F). The month is characterized by dry conditions, receiving no precipitation and maintaining a humidity level of 47%. In contrast, January offers a much cooler climate, with temperatures dipping to a minimum of 16°C (61°F) and peaking at 31°C (88°F), averaging around 24°C (75°F). Though slightly wetter, January sees just 6 mm (0.2 in) of rain over the course of one day, coupled with a lower humidity level of 41%. For those interested in more details, check out Jeddah weather in January.

In September, the weather is hot and dry, with temperatures ranging from a minimum of 27°C (81°F) to a scorching maximum of 40°C (104°F). The average temperature of 32°C (90°F) is accompanied by low humidity at 47% and no recorded precipitation. In stark contrast, February brings significantly cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 33°C (92°F), averaging around 24°C (76°F). This month sees a bit more humidity at 41% and light precipitation, totaling 6 mm (0.2 in) over just one day. For more detailed insights on February weather, visit Jeddah weather in February.

In September, the weather is significantly hotter, with average temperatures reaching 32°C (90°F) and daily highs soaring up to 40°C (104°F). In contrast, March offers a more temperate climate, with average temperatures around 26°C (78°F) and maximums peaking at 35°C (95°F). While September experiences no precipitation and a humidity level of 47%, March sees minimal rain at 2 mm (0.1 in) and slightly lower humidity at 44%. For a more detailed look at the weather during this month, check out Jeddah weather in March.

In September, temperatures soar with a minimum of 27°C (81°F), averaging a scorching 32°C (90°F) and peaking at a sweltering 40°C (104°F). In stark contrast, April experiences milder weather, with a minimum of 19°C (67°F), an average of 28°C (83°F), and a maximum of 36°C (97°F). While both months boast zero precipitation days, September remains completely dry with no recorded rainfall, while April sees a slight amount of 4 mm (0.2 in) of rain. Both months share a consistent humidity level of 47%. For more details, you can check Jeddah weather in April.

September and May in Jeddah showcase similar high-temperature extremes, with both months peaking around 40°C (104°F to 105°F). However, September is characterized by slightly higher average temperatures, reaching 32°C (90°F), compared to May's average of 31°C (88°F). While both months experience little to no precipitation, May sees a minor 2 mm (0.1 in) of rain, making it marginally wetter than September, which records no precipitation at all. Humidity levels are also similar, with September at 47% and May at 45%. For a detailed look at weather patterns, you can check Jeddah weather in May.

In comparing the weather of September and June, both months experience high average temperatures around 32°C (90°F). However, June tends to be hotter overall, with maximum temperatures reaching up to 44°C (111°F), compared to September's maximum of 40°C (104°F). Despite similar low humidity levels—47% in September and 43% in June—both months are characterized by dry conditions with no recorded precipitation. For more detailed insights on June weather, you can refer to Jeddah weather in June.

In September, the weather remains hot with a minimum temperature of 27°C (81°F) and an average high of 32°C (90°F), similar to July's temperatures. However, July boasts a slightly higher average temperature of 33°C (91°F). Both months experience no precipitation, with humidity levels in September at 47%, which is higher than July’s more comfortable 40%. For more detailed insights, you can explore Jeddah weather in July.

In September, the weather in Jeddah shows a slight decrease in both minimum and average temperatures compared to August, with minimums averaging 27°C (81°F) and an average of 32°C (90°F). However, September experiences a slightly higher maximum temperature of 40°C (104°F), contrasting with August's maximum of 39°C (102°F). Both months are characterized by low precipitation, with September recording no rain and August only 1 mm, but humidity levels are slightly lower in September at 47%, compared to 52% in August. For a more detailed look at August's climate, you can visit Jeddah weather in August.

In September, the weather is characterized by hot temperatures, with a minimum of 27°C (81°F) and an average of 32°C (90°F), peaking at a scorching 40°C (104°F). The month remains dry, with no recorded precipitation and a humidity level of 47%. In contrast, October sees a slight decrease in temperature, with a minimum of 25°C (78°F) and an average of 30°C (87°F), reaching a maximum of 38°C (101°F). While still relatively dry, October does experience a minimal amount of precipitation at 2 mm (0.1 in), and humidity rises to 50%. For more details, check out Jeddah weather in October.

September in Jeddah experiences significantly warmer temperatures, with minimums around 27°C (81°F) and maximums reaching up to 40°C (104°F), making it a hot month with no recorded rainfall. In contrast, November sees a drop in temperatures, averaging 28°C (83°F) with maximums of 33°C (92°F) and a slight increase in humidity at 45%. Additionally, November brings some precipitation, totaling 22 mm (0.8 in) over two days, offering a more humid and slightly cooler climate compared to the sweltering heat of September. For more details, you can check out the Jeddah weather in November.

September weather in Jeddah is characterized by high temperatures, with minimums around 27°C (81°F) and maximums reaching up to 40°C (104°F), averaging 32°C (90°F). This month sees no precipitation and moderate humidity at 47%. In contrast, December experiences cooler conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 33°C (92°F), averaging 26°C (79°F). Although it is still relatively dry, December records some precipitation, averaging 6 mm over 2 days, and humidity drops slightly to 42%. For more specifics on December weather, check out Jeddah weather in December.

Compare Jeddah's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jeddah

As September rolls into Jeddah, the city experiences a transition marked by consistently high temperatures and a notable absence of rainfall. Unlike the sweltering heat of the summer months, September’s average temperature provides some relief at 32°C (90°F), yet it still maintains the warmth that characterizes this coastal region. With zero days of precipitation and moderate humidity levels, the month offers sunny skies ideal for outdoor activities but may leave those unaccustomed to the heat seeking shade. For a detailed understanding of how Jeddah's climate evolves throughout the year, explore the link: Jeddah Climate.