September Weather in Cairo, Egypt

Last updated: March 17, 2025

September in Cairo, Egypt presents a striking blend of warmth and dryness, with maximum temperatures soaring to 39°C (103°F) and an average of 29°C (84°F), making it a quintessential summer month. Nighttime brings a refreshing dip, with minimum temperatures around 18°C (65°F). True to the desert climate, the month sees no precipitation at all, complemented by a low humidity level of 34%. This makes September an ideal time for outdoor activities, as sunshine reigns and skies remain clear, inviting both locals and visitors to explore the vibrant city and its rich history.

September Temperature in Cairo

September in Cairo marks a transition as summer begins to cede its grip on the city. The average temperature hovers around 29°C (84°F), with lows of 18°C (65°F) and daytime highs reaching up to 39°C (103°F). This month showcases a slight but noticeable decline from the peak heat of the preceding summer months, allowing for more comfortable evenings while still experiencing significant warmth during the day. As the month progresses, the relentless heat of summer starts to soften, hinting at the cooler, more pleasant days of autumn just around the corner. While still warm, September's temperatures create a wonderful opportunity to explore Cairo’s rich history and vibrant culture without the intense summer heat.

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

The chart illustrates September temperature patterns in Cairo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec575964718084868783776961
Data source: Temperature data for Cairo 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 Cairo

In Cairo, Egypt, September marks a continuation of the dry spell that characterizes the summer months. With an observed precipitation amount of 0 mm and zero rainy days, the city remains parched, reflecting a stark contrast to the slight rainfall typically recorded earlier in the year. Notably, the only moisture seen from January through March provides minimal relief, with January's meager 3 mm and a peak of 16 mm in March before the dry season takes hold. This significant lack of rainfall underscores Cairo's arid climate, highlighting the need for efficient water management practices as the city transitions into the drier months of late summer.

September Precipitation Trends in Cairo

The chart displays monthly precipitation patterns in Cairo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec31016200000323
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cairo

September in Cairo, Egypt marks a subtle shift in the weather as humidity begins to rise from the summer's low of 27% in August to a more moderate 34%. This change is a precursor to the upcoming autumn months, where humidity levels will continue to climb, peaking at 57% in December. Throughout the year, the month of April experiences the driest conditions, with humidity dipping to 31%, while the early months of winter bring increased moisture once again. Overall, September serves as a transitional period, illustrating Cairo's unique climate dynamics as it bridges the arid summer and the more humid autumn.

September Average Humidity in Cairo

This chart illustrates the average monthly humidity levels in Cairo, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec53%48%41%31%30%26%27%27%34%50%53%57%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cairo

As September rolls into Cairo, the UV Index remains at a very high level of 10, reflecting the lingering summer heat. This marks a slight decrease from the extreme indices of 11 seen during the peak months of June through August, yet caution is still warranted, as the burn time is still a brisk 15 minutes. As the seasons transition, the UV levels begin to dip gradually: from October onwards, the UV Index decreases further, indicating a shift towards safer sun exposure. It's essential to stay informed and protect your skin during this time; for more details on UV levels throughout the year, check out Cairo UV Index.

Maximum UV Index Levels in Cairo for September

The chart shows the monthly maximum UV Index (UVI) for Cairo 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.
JanFebMarAprMayJunJulAugSepOctNovDec579101111111110865
Data source: Cairo 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 Cairo

As September unfolds in Cairo, Egypt, the city basks in 344 hours of radiant sunshine, marking a delightful transition from the scorching summer months. While July boasts the highest sunshine hours at 403, September maintains a robust glow that outshines the earlier months like January and February, which barely reach over 236 and 277 hours, respectively. This gradual decrease from July's peak doesn’t overshadow the vibrant autumn atmosphere; rather, it signals a shift towards milder days. With the sun’s warm embrace providing an ideal backdrop, September showcases a pleasant blend of lingering summer warmth and the irresistible charm of the approaching fall, inviting both locals and tourists to enjoy all that Cairo has to offer.

Monthly Sunshine Duration in Cairo: September Highlighted

The September sunshine duration represents the total number of hours Cairo 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.
JanFebMarAprMayJunJulAugSepOctNovDec236h277h336h351h389h390h403h385h344h328h294h283h
Data source: Cairo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cairo During September

Cairo's September weather continues the city's tradition of abundant sunshine, boasting a remarkable 95% chance of sunny days. As summer peaks in July and August with a steady 96% likelihood of sun, September transitions smoothly into fall while still holding onto that bright, cheerful disposition. This slight dip to 95% indicates that sunny skies remain almost a certainty, making September a splendid time for outdoor adventures and exploring the city's rich history. With clear blue skies being a hallmark of Cairo's climate, visitors can expect to bask in the warmth of the sun, just as they have throughout the summer months.

Percentage of Sunny Days in September in Cairo

The chart illustrates the percentage of sunny days in Cairo 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 Cairo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec75%72%76%83%92%96%96%96%95%81%72%55%
Data source: Cairo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cairo in September

As September unfolds in Cairo, the city experiences a graceful transition in daylight duration, which reflects the ebb and flow of the seasons. With 12 hours of daylight, September marks a slight decline from the peak of 14 hours reached in June, yet it still offers ample sunlight for exploration and vibrant outdoor activities. This month serves as a bridge from the summer's lingering warmth to the milder autumn days ahead. Notably, the daylight hours steadily decrease as the year progresses, eventually narrowing to 10 hours by December. Overall, September balances the lingering summer vibes with the anticipation of cooler days, making it a delightful time to enjoy the rich culture and history of Cairo under the golden sun.

Average Daylight Hours in Cairo for September

The chart illustrates the variation in daylight duration in Cairo throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 26m11h 7m11h 59m12h 54m13h 39m14h 2m13h 50m13h 10m12h 18m11h 24m10h 37m10h 13m
Data source: Cairo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cairo

As September unfolds in Cairo, Egypt, the average wind speed gently picks up to 3.4 m/s (8 mph), reflecting a subtle transition toward the autumn breeze. This month showcases a slight increase compared to the late summer figures, emphasizing the city's shift from the sultry heat of August, which lingers at 3.0 m/s (7 mph). The trend throughout the year reveals fluctuating winds, peaking modestly in April at 4.0 m/s (9 mph) before settling back into the calming rhythms of fall. With the winds blowing steadily in September, the city's atmosphere becomes a bit more refreshing, inviting both locals and visitors to enjoy the outdoors as daylight begins to soften.

Average September Wind Speed in Cairo

The chart displays monthly wind speed patterns in Cairo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.03.54.03.53.73.13.03.4 m/s3.42.73.2
Data source: Cairo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cairo Compares to Other Months

The weather in Cairo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Cairo and find detailed weather information for every month.

In September, the weather is characterized by high temperatures, with minimums around 18°C (65°F) and maximums soaring up to 39°C (103°F), making it quite hot overall, while the humidity is relatively low at 34%. In stark contrast, January brings much cooler conditions, with average temperatures dropping to 14°C (57°F), minimums around 4°C (39°F), and maximums reaching only 27°C (82°F). Additionally, January experiences some light precipitation with about 3 mm (0.1 in) over the course of a day, and humidity levels rise to 53%. For more detailed information about January weather in Cairo, visit Cairo weather in January.

In September, the weather is characterized by high temperatures, with a minimum of 18°C (65°F) and an average of 29°C (84°F), reaching a maximum of 39°C (103°F). The month remains dry, with no recorded precipitation and low humidity at 34%. In contrast, February offers a cooler climate with a minimum of 6°C (43°F), an average temperature of 15°C (60°F), and a maximum of 31°C (87°F). This month experiences slight precipitation of 10 mm (0.4 in) over one day, alongside increased humidity at 48%. For a closer look at February's weather patterns, check out Cairo weather in February.

In September, Cairo experiences significantly warmer temperatures, with a minimum of 18°C (65°F) and an average high of 39°C (103°F), making it a hot month with no recorded precipitation and relatively low humidity at 34%. In contrast, March sees much cooler temperatures, with a minimum of 6°C (44°F) and an average high of 37°C (99°F), along with some light rainfall totaling 16 mm (0.6 in) on just one day. The humidity in March is slightly higher at 41%, adding to the overall comfort of the month. For more details, check out Cairo weather in March.

In September, the weather is typically hot and dry, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 39°C (103°F) and no recorded precipitation. The humidity stands at a moderate 34%, making the heat feel a bit more intense. In contrast, April experiences slightly cooler temperatures, with a minimum of 10°C (50°F) and an average of 22°C (72°F), though it can still reach a scorching maximum of 41°C (106°F). While April sees minimal precipitation at 2 mm (0.1 in) over the month, the humidity is slightly lower at 31%. For more detailed information about April's conditions, check out Cairo weather in April.

In September, the weather remains warm with minimum temperatures around 18°C (65°F) and an average high of 29°C (84°F), reaching up to a scorching maximum of 39°C (103°F). The humidity is relatively low at 34%, and the month boasts no recorded precipitation. In contrast, May offers slightly cooler minimum temperatures at 15°C (58°F) and an average of 27°C (80°F), although the maximum can soar to an astonishing 45°C (113°F). The humidity is a touch lower at 30%, and like September, there is no rainfall throughout the month. For those interested in a detailed look at May's weather, check out Cairo weather in May.

In comparing the weather of September and June, we find that both months maintain a similar average temperature of 29°C (84°F). However, June can reach slightly higher maximum temperatures, peaking at 42°C (108°F), compared to September’s maximum of 39°C (103°F). Interestingly, both months experience no precipitation, with zero days of rain recorded. Additionally, June has a lower humidity level at 26%, making it feel drier compared to September’s 34%. For more detailed insights, you can check Cairo weather in June.

In comparing the weather between September and July, we see that September boasts slightly cooler temperatures, with a minimum of 18°C (65°F) and an average of 29°C (84°F), while July's temperatures are warmer, starting at a minimum of 21°C (70°F) and reaching an average of 30°C (87°F). July can also get hotter, with maximum temperatures peaking at 41°C (106°F) compared to September's maximum of 39°C (103°F). Both months experience no precipitation and low humidity, although July is marginally more humid at 27% compared to September's 34%. For more detailed information, you can check out Cairo weather in July.

In comparison to August, September in Cairo presents slightly cooler temperatures with average highs reaching 39°C (103°F) as opposed to August's peak of 42°C (107°F). The minimum temperatures also drop from 22°C (73°F) in August to 18°C (65°F) in September, making the nights more comfortable. Both months experience very little rain, with no recorded precipitation, but September boasts a higher humidity level at 34% compared to August’s 27%. For a closer look at August weather patterns, visit Cairo weather in August.

In September, the weather is characterized by warm temperatures, with minimums around 18°C (65°F) and average highs reaching up to 39°C (103°F). This month typically sees no precipitation and has a relatively low humidity of 34%. In contrast, October brings cooler conditions, with temperatures dropping to a minimum of 15°C (58°F) and an average high of 37°C (99°F). While October experiences a slight increase in humidity at 50%, it also records minimal precipitation of 3 mm (0.1 in), still maintaining dry conditions. For more details, you can check out Cairo weather in October.

September and November present contrasting weather patterns. In September, temperatures can soar to a maximum of 39°C (103°F), with an average of 29°C (84°F) and humidity resting at a comfortable 34%. Additionally, the month is marked by dry conditions, with no recorded precipitation. In stark contrast, November experiences cooler temperatures, with highs reaching 33°C (92°F) and an average of 21°C (70°F). Humidity rises to 53%, and there is a slight increase in precipitation, although still minimal at just 2 mm. For more details on November weather, you can visit Cairo weather in November.

September in Cairo is characterized by hot and dry conditions, with temperatures ranging from a minimum of 18°C (65°F) to a scorching maximum of 39°C (103°F), and an average temperature of 29°C (84°F). The month sees absolutely no precipitation and a low humidity level of 34%. In contrast, December brings a much cooler climate, with temperatures dipping to a minimum of 7°C (45°F) and peaking at 29°C (84°F), leading to an average temperature of 16°C (62°F). Although December experiences minimal rainfall of 3 mm (0.1 in), the humidity rises significantly to 57%. For more details, check out Cairo weather in December.

Compare Cairo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cairo

In September, Cairo experiences a warm and dry climate, standing out from the more intense summer months that precede it. With an average temperature of 29°C (84°F) and maximums reaching up to 39°C (103°F), the heat is still prevalent but generally more comfortable compared to the peak summer heat. The humidity is relatively low at 34%, contributing to the overall dryness, as indicated by the 0 mm of precipitation throughout the month. This lack of rainfall and humidity makes September an ideal time to explore the city's rich history without the oppressive weather typical of the summer. For a deeper understanding of the city's weather patterns, check out Cairo Climate.