September Weather in Siwa Oasis, Egypt

Last updated: March 17, 2025

Experience the charming climate of Siwa Oasis in September, where temperatures soar to a maximum of 40°C (104°F), offering a warm embrace during the day. The average temperature settles at a comfortable 28°C (83°F), perfect for exploring the oasis's stunning landscapes. Nights bring a refreshing chill with lows around 18°C (65°F). With zero precipitation recorded, you can expect uninterrupted sunshine and low humidity levels of 43%, making it an ideal time for outdoor adventures and relaxation under the clear blue skies.

September Temperature in Siwa Oasis

In September, Siwa Oasis experiences a gradual shift towards the autumn months, with temperatures that showcase a blend of warmth and comfort. The daily lows dip to 18°C (65°F), providing a refreshing respite from the summer heat. As daytime unfolds, average temperatures peak at a pleasant 28°C (83°F), making it an ideal time for outdoor exploration. However, the heat can still be intense, with highs reaching up to 40°C (104°F). This transitional month highlights a notable decline from the sweltering heights of July and August, hinting at the cooler days to come while still offering ample sunshine for visitors to enjoy the stunning landscape of this unique oasis.

September Weather in Siwa Oasis: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Siwa Oasis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535763718085878782756557
Data source: Temperature data for Siwa Oasis 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 Siwa Oasis

In Siwa Oasis, Egypt, September continues the trend of an arid climate characterized by minimal precipitation, as the month sees no recorded rainfall. Following an extremely dry summer, where August also marked a dry spell, the oasis remains largely untouched by rain throughout the hot months. The precipitation pattern in Siwa highlights a striking seasonal variability, with very light rainfall occurring only during the cooler months of January, December, and November. This stark contrast emphasizes the oasis's desert environment, making the absence of rain in September consistent with its overall climatic profile, as it transitions towards a brief period of slight moisture later in the year.

September Precipitation Trends in Siwa Oasis

The chart displays monthly precipitation patterns in Siwa Oasis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec432100000014
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Siwa Oasis

In September, Siwa Oasis experiences a slight increase in humidity, reaching 43% after the drier summer months of June, July, and August, which see levels as low as 30%. This uptick signals the slow transition towards more humid conditions, as autumn approaches. The trend clearly shows that humidity in Siwa generally rises from the summer lows, peaking in the winter months; January and December record the highest levels at 59% and 63% respectively. As September bridges the gap between the dry heat of summer and the more humid fall and winter, it serves as a reminder of the region's climatic shifts throughout the year.

September Average Humidity in Siwa Oasis

This chart illustrates the average monthly humidity levels in Siwa Oasis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec59%53%45%36%32%30%33%37%43%55%59%63%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Siwa Oasis

As the seasons shift in Siwa Oasis, Egypt, the UV Index consistently emphasizes the necessity for sun safety, particularly in the summer months. September brings a UV Index of 11, categorizing it as extreme with a burn time of just 10 minutes—a stark reminder of the intense sun exposure typical of this region. This is a slight decrease from the peak index of 13 noted in June. Throughout the summer, which sees the UV Index at its highest, the trends show sustained levels of extreme exposure, urging visitors and locals alike to remain vigilant. As the year progresses into October, the UV Index dips, transitioning to a very high level of 9. To stay informed about the UV conditions and protect your skin during your time in Siwa, check out the comprehensive details at Siwa Oasis UV Index.

Maximum UV Index Levels in Siwa Oasis for September

The chart shows the monthly maximum UV Index (UVI) for Siwa Oasis 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.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213121211975
Data source: Siwa Oasis 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 Siwa Oasis

As the warmth of September embraces Siwa Oasis, Egypt, visitors can bask in an impressive 347 hours of sunshine, a delightful follow-up to the sun-soaked months of summer. The trend reveals a gradual rise in sunlight from January's modest 241 hours to a peak in July, offering 401 hours of golden rays. Although September sees a slight dip from the blazing summer, it remains well above the average of earlier months, ensuring ample opportunities to explore the stunning landscapes and ancient wonders of this unique oasis. With daylight gradually tapering off towards the end of the year, October's 332 hours beckon with a gentle reminder of the approaching transition into a cooler season, yet still promising plenty of sunshine for unforgettable adventures.

Monthly Sunshine Duration in Siwa Oasis: September Highlighted

The September sunshine duration represents the total number of hours Siwa Oasis 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.
JanFebMarAprMayJunJulAugSepOctNovDec241h284h341h351h384h384h401h381h347h332h301h294h
Data source: Siwa Oasis September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Siwa Oasis During September

As September arrives in Siwa Oasis, Egypt, the chances of basking in the sun are impressively high, with a remarkable 99% likelihood of sunny weather. This data follows a consistent upward trend that begins in the earlier months of the year and peaks in the summer, with August boasting a perfect 100% sunshine rate. Transitioning from the scorching heat of July and August, September continues to promise nearly flawless weather, making it an ideal time for visitors to explore the oasis's stunning landscapes under the bright Egyptian sun. As the month progresses, sunshine gradually becomes less guaranteed, dipping to 91% in October, but for those enjoying the warmth of September, it’s the ultimate time to revel in clear blue skies and vibrant desert surroundings.

Percentage of Sunny Days in September in Siwa Oasis

The chart illustrates the percentage of sunny days in Siwa Oasis 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 Siwa Oasis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec76%77%75%87%92%97%98%100%99%91%75%66%
Data source: Siwa Oasis September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Siwa Oasis in September

In Siwa Oasis, Egypt, the daylight duration showcases an intriguing rhythm throughout the year. Starting with a modest 10 hours in January, the days gradually lengthen, peaking at a sun-kissed 13 hours from May to August, inviting outdoor adventures and vibrant desert life. As September arrives, the daylight recedes slightly to 12 hours, signaling the transition into autumn. This gradual decline continues into October, where daylight diminishes to 11 hours, before settling back at 10 hours during the winter months of November and December. The overall pattern highlights a dynamic balance of light and dark, mirroring the oasis's enchanting landscape and lifestyle.

Average Daylight Hours in Siwa Oasis for September

The chart illustrates the variation in daylight duration in Siwa Oasis throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 29m11h 9m12h12h 52m13h 36m13h 58m13h 46m13h 8m12h 18m11h 25m10h 40m10h 17m
Data source: Siwa Oasis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Siwa Oasis

As September arrives in Siwa Oasis, Egypt, the gentle breezes pick up slightly, with an average wind speed of 3.9 m/s (9 mph). This month marks one of the more pleasant periods, reflecting a slight increase from the summer months. In fact, since April's peak at 4.3 m/s (10 mph), the wind speeds have maintained a consistent tranquility, oscillating between 3.8 m/s and 4.3 m/s. This stability creates an inviting atmosphere, as the oasis transitions from the sweltering heat of summer to the cooler, breezier days of autumn. As one wanders through the palm-fringed landscapes, the September wind becomes a refreshing companion, whispering tales of ancient times and inviting you to explore further into this magical desert retreat.

Average September Wind Speed in Siwa Oasis

The chart displays monthly wind speed patterns in Siwa Oasis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.74.24.33.93.93.83.83.9 m/s3.23.03.8
Data source: Siwa Oasis September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Siwa Oasis Compares to Other Months

The weather in Siwa Oasis 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 Siwa Oasis and find detailed weather information for every month.

In September, the weather is characterized by warm to hot temperatures, ranging from a minimum of 18°C (65°F) to a maximum of 40°C (104°F), with an average of 28°C (83°F). The month boasts dry conditions with no recorded precipitation and relatively low humidity at 43%. In contrast, January offers cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 25°C (77°F), averaging around 12°C (53°F). Despite experiencing slight rainfall of 4 mm (0.2 in), January has higher humidity levels at 59%. For a detailed look at the weather in January, you can check out Siwa Oasis weather in January.

In September, the weather is markedly warmer, with temperatures ranging from a minimum of 18°C (65°F) to a scorching maximum of 40°C (104°F) and an average of 28°C (83°F). This month boasts completely dry conditions, featuring no recorded precipitation and low humidity at 43%. In contrast, February offers a much cooler climate, with temperatures fluctuating between 3°C (38°F) and a maximum of 29°C (84°F), averaging 14°C (57°F). Although February does experience some precipitation, totaling 3 mm (0.1 in), it remains dry on all days, with humidity slightly higher at 53%. For detailed insights into February’s climate, you can check Siwa Oasis weather in February.

In September, the weather is significantly warmer, with average temperatures reaching a high of 28°C (83°F) and maximums soaring up to 40°C (104°F), contrasted with March's more moderate average of 17°C (63°F) and peak temperatures of 37°C (100°F). While both months experience minimal precipitation, September boasts a completely dry record with 0 mm (0.0 in), whereas March sees a slight drizzle of 2 mm (0.1 in). Humidity levels are fairly similar, with September at 43% and March slightly higher at 45%, making March feel a bit cooler despite the higher temperatures in early fall. For a more detailed look at March weather specifics, visit Siwa Oasis weather in March.

In September, the weather is characterized by warmer temperatures, with minimums around 18°C (65°F) and average highs reaching up to 40°C (104°F). In contrast, April experiences cooler temperatures, with minimums around 7°C (45°F) and an average of 22°C (71°F), although maximums can spike to 42°C (109°F). Both months see minimal precipitation, with September reporting 0 mm and April slightly higher at 1 mm, yet neither month records any rainy days. Humidity levels are also relatively low, with September at 43% and April at 36%, contributing to the dry conditions in both months. For more specific insights into the April weather, you can visit Siwa Oasis weather in April.

In September, temperatures range from a minimum of 18°C (65°F) to a scorching maximum of 40°C (104°F), with an average temperature of 28°C (83°F). The month is characterized by dry conditions, with no recorded precipitation and a humidity level of 43%. In contrast, May showcases a slightly cooler minimum temperature of 12°C (54°F) and an average of 27°C (80°F), although it can still reach a high of 44°C (112°F). Similar to September, May experiences no rainfall and has even lower humidity at 32%. For more detailed information about the weather during this month, visit Siwa Oasis weather in May.

In September, temperatures typically range from a minimum of 18°C (65°F) to a maximum of 40°C (104°F), with an average of 28°C (83°F). While it remains warm, the humidity is slightly higher at 43%. In comparison, June presents slightly warmer conditions, with minimum temperatures also starting at 18°C (64°F), but peaking at a hotter 43°C (110°F) and averaging around 30°C (85°F). The relative humidity in June is lower at 30%, contributing to a more arid feeling despite the higher maximum temperatures. Overall, both months experience no precipitation, making them ideal for outdoor activities. For more detailed information, check out the Siwa Oasis weather in June.

In comparing the weather of September and July, we see a notable difference in temperature ranges and humidity levels. September boasts a minimum temperature of 18°C (65°F) and an average of 28°C (83°F), while July presents slightly warmer conditions with a minimum of 20°C (68°F) and an average of 31°C (88°F). July also reaches a higher maximum temperature of 45°C (114°F), compared to September's peak of 40°C (104°F). Additionally, the humidity in September is relatively higher at 43%, while July enjoys lower humidity levels at 33%. Despite these variances, both months experience no precipitation. For more detailed information, you can refer to the Siwa Oasis weather in July.

In September, the weather is slightly cooler compared to August, with average temperatures dropping from 31°C (88°F) in August to 28°C (83°F) in September. The minimum temperature in September is 18°C (65°F), which is a notable decrease from August's minimum of 21°C (69°F). Despite enjoying similar levels of humidity, with September at 43% and August at 37%, both months experience no precipitation, making them dry periods. The maximum temperature in September reaches 40°C (104°F), slightly lower than August's peak of 42°C (109°F). For more details on August's conditions, you can check Siwa Oasis weather in August.

September in Siwa Oasis is characterized by warm temperatures, with a minimum of 18°C (65°F) and an average of 28°C (83°F), peaking at a hot 40°C (104°F). The month experiences no rainfall and low humidity at 43%, making it feel quite dry. In contrast, October sees a noticeable cooling trend, with temperatures dropping to a minimum of 12°C (54°F) and an average of 24°C (76°F), reaching a maximum of 36°C (97°F). Although October remains dry, with no recorded precipitation, the humidity increases to 55%, providing a different feel than the previous month. For more detailed information, check out Siwa Oasis weather in October.

In September, the weather is notably hotter, with temperatures ranging from a minimum of 18°C (65°F) to a scorching maximum of 40°C (104°F) and an average of 28°C (83°F). This month experiences a dry climate with no recorded precipitation and relatively low humidity at 43%. In contrast, November sees a significant drop in temperature, with a minimum of 7°C (45°F), an average of 18°C (66°F), and a maximum of 32°C (90°F). While November does have a minimal amount of precipitation at 1 mm, it maintains a higher humidity level of 59%. For more details, check out Siwa Oasis weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 18°C (65°F) and an average of 28°C (83°F), peaking at a scorching 40°C (104°F). The month sees no precipitation and maintains a relatively low humidity of 43%. In contrast, December brings a significant drop in temperatures, ranging from a minimum of 3°C (38°F) to an average of 14°C (58°F), with a maximum of 26°C (78°F). While there is still little precipitation at 3 mm (0.1 in), the humidity rises to 63%, creating a cooler and more comfortable atmosphere. For more details on December weather, check out Siwa Oasis weather in December.

Compare Siwa Oasis's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Siwa Oasis

As September unfolds in Siwa Oasis, the weather showcases a distinct transition. With a maximum temperature peaking at 40°C (104°F), the heat remains intense; however, the average temperature dips to a more comfortable 28°C (83°F), making it more bearable than the scorching summer months. Unlike the previous months, September enjoys no rainfall, resulting in dry days and a humidity level around 43% that offers a respite from the sticky summer air. This unique combination makes September an ideal time to explore the oasis's stunning landscapes. For more insights on what to expect throughout the year, visit Siwa Oasis Climate.