September Weather in Douz, Tunisia

Last updated: August 31, 2025

In September, Douz, Tunisia, basks in the warmth of summer, with maximum temperatures soaring up to a sweltering 44°C (112°F) and averaging a pleasant 30°C (86°F) throughout the month. Nights offer a refreshing contrast as minimum temperatures dip to a cool 16°C (60°F). With humidity levels at a manageable 39%, the weather remains quite comfortable for outdoor exploration. Rain is a rare occurrence, with precipitation amounting to just 5 mm (0.2 in) and no rainy days recorded. This makes September an ideal time for visitors to enjoy the vibrant culture and stunning landscapes of Douz under the bright Tunisian sun.

September Temperature in Douz

In September, Douz, Tunisia experiences a warm transition that marks the tail end of summer. The minimum temperature settles at a comfortable 16°C (60°F), while daily averages reach around 30°C (86°F), providing a pleasant setting for exploring the desert landscape. As the heat peaks, the maximums can soar to an intense 44°C (112°F), making it crucial for visitors to stay hydrated and seek shade during the hottest parts of the day. Compared to the scorching highs of July and August, September offers a slight reprieve while still embodying the vibrancy of Tunisia's late summer climate, encouraging outdoor adventures under the striking desert sun.

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

The chart illustrates September temperature patterns in Douz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Douz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec525763707887929285746255
Data source: Temperature data for Douz 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 Douz

In September, Douz, Tunisia experiences a minimal precipitation amount of 5 mm (0.2 in), yet intriguingly, it records no rainy days. This marks a slight increase compared to the earlier summer months, which saw negligible rainfall, with July and August registering 0 mm. The transition towards autumn suggests a potential shift in weather patterns, as the subsequent months typically witness a rise in precipitation, culminating in November's significantly wetter climate at 23 mm (0.9 in). Thus, September serves as a dry interlude, bridging the arid summer and the more humid fall, highlighting Douz's unique climatic rhythms.

September Precipitation Trends in Douz

The chart displays monthly precipitation patterns in Douz, 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 Douz, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec36108410154235
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Douz

In September, Douz, Tunisia sees a noticeable shift in humidity levels, rising to 39% from the summer lows of 25% in July and August. This uptick signifies the transition into the more moderate autumn season, following a trend of decreasing humidity from the start of the year up until May. As the months progress, humidity levels begin to recover, culminating in October's 47%, which hints at the gradual return of moisture into the atmosphere. This seasonal fluctuation reflects Douz's unique climate, where the dry heat of summer gives way to a more balanced humidity level, setting the stage for the cooler months ahead.

September Average Humidity in Douz

This chart illustrates the average monthly humidity levels in Douz, 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 Douz is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%54%48%39%31%27%25%25%39%47%53%59%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Douz

In September, Douz, Tunisia welcomes a very high UV Index of 9, indicating that protective measures against sun exposure are essential, with a burn time of just 15 minutes. This month retains the summer's intensity, though it marks a slight dip from the extreme levels recorded in July and August. As temperatures start to cool, UV radiation remains significant, reminding residents and visitors alike to remain vigilant and shield themselves appropriately. For a detailed look at the UV Index throughout the year, visit Douz UV Index.

Maximum UV Index Levels in Douz for September

The chart shows the monthly maximum UV Index (UVI) for Douz 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 Douz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4679101111119754
Data source: Douz 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 Douz

In September, Douz, Tunisia, bathes in a generous 337 hours of sunlight, marking a delightful transition into fall. This month showcases a gradual decrease in sunshine hours from the peak of 395 hours in July, yet it still glows brighter than the winter months, which dip to around 285 hours in November. Following the summer's warmth, September offers a gentle descent in daylight, allowing for comfortable outdoor adventures while still enjoying the lingering warmth of summer. As the days shorten, the ambiance remains vibrant, inviting both locals and travelers to relish the enchanting charm of this desert town.

Monthly Sunshine Duration in Douz: September Highlighted

The September sunshine duration represents the total number of hours Douz 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.
JanFebMarAprMayJunJulAugSepOctNovDec235h278h333h347h380h381h395h378h337h321h285h287h
Data source: Douz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Douz During September

In Douz, Tunisia, September continues the trend of abundant sunshine characteristic of the summer months, boasting an impressive 82% chance of sunny weather. Following the peak of July and August, where the sun shines nearly uninterrupted, September strikes a delightful balance, maintaining a high likelihood of clear skies while gradually ushering in the cooler autumn months. This favorable weather makes September an ideal time for visitors to explore the enchanting landscapes and immerse themselves in the unique culture of this desert oasis. As the month unfolds, the lingering warmth and brightness ensure that outdoor adventures remain a top priority, capped by a stunning backdrop of sunlit dunes and starry nights.

Percentage of Sunny Days in September in Douz

The chart illustrates the percentage of sunny days in Douz 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 Douz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec80%66%71%56%70%66%99%93%82%75%65%84%
Data source: Douz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Douz in September

In Douz, Tunisia, the month of September marks a subtle transition as daylight begins to wane, offering about 12 hours of sunlight. Following the peak of summer, where June and July enjoy the year’s longest days at 14 hours, September signals a gradual shift towards shorter daylight hours reminiscent of earlier months. This slight reduction aligns with the cooling atmosphere of autumn, as daylight decreases further in October to 11 hours. Notably, the month mirrors the trend observed in the spring, with March and April boasting similar increases, highlighting the cyclical nature of daylight throughout the year in this vibrant desert town.

Average Daylight Hours in Douz for September

The chart illustrates the variation in daylight duration in Douz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 58m11h 59m13h 1m13h 53m14h 19m14h 5m13h 19m12h 20m11h 18m10h 24m9h 57m
Data source: Douz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Douz

In September, Douz, Tunisia, experiences a pleasant average wind speed of 4.6 m/s (10 mph), marking a slight decline from the peak breeze of 5.9 m/s (13 mph) in May. As summer transitions to autumn, the winds become gentler, reminiscent of July and August, which also recorded similar lower speeds. This pattern suggests a decreasing trend as the year progresses, with the winds gradually calming from June's peaks down to October's cooler averages of 3.7 m/s (8 mph). Overall, September offers a delightful balance of warmth amid fresh breezes, creating an inviting atmosphere for visitors and residents alike.

Average September Wind Speed in Douz

The chart displays monthly wind speed patterns in Douz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.64.65.85.95.34.74.24.6 m/s3.73.63.4
Data source: Douz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Douz Compares to Other Months

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

In September, the weather is characterized by high temperatures, ranging from a minimum of 16°C (60°F) to a scorching maximum of 44°C (112°F), with an average temperature of 30°C (86°F). The humidity is relatively low at 39%, and there is virtually no precipitation throughout the month. In contrast, January brings much cooler temperatures, with a minimum of 0°C (33°F), an average of 11°C (53°F), and a maximum of 30°C (86°F). Although it is still a dry month with only 3 mm (0.1 in) of precipitation and no rain days, the humidity increases to 56%, creating a noticeably different atmosphere. For more insights on January weather in this region, you can check Douz weather in January.

September boasts significantly warmer temperatures, with averages around 30°C (86°F) and peak highs reaching up to 44°C (112°F). In contrast, February experiences much cooler conditions, with average temperatures of 14°C (57°F) and a maximum of 30°C (87°F). While September enjoys dry weather with no recorded precipitation, February sees about 6 mm (0.2 in) of rainfall over two days, contributing to higher humidity levels of 54% compared to September's 39%. For more details on February weather in Douz, you can refer to Douz weather in February.

When comparing the weather in September and March, one notices significant differences in temperature and humidity. September tends to be much warmer, with average temperatures reaching a scorching 30°C (86°F) and peaks of up to 44°C (112°F). In contrast, March has a much cooler average of 17°C (63°F), with highs around 34°C (93°F) and lows dipping to 5°C (41°F). Additionally, September is relatively dry with no recorded precipitation, while March experiences about 10 mm (0.4 in) of rainfall over three days, accompanied by higher humidity levels at 48%. For those interested in more detailed weather specifics for March, you can explore Douz weather in March.

In September, the weather is significantly warmer, with temperatures ranging from a minimum of 16°C (60°F) to a scorching maximum of 44°C (112°F), averaging around 30°C (86°F). This month experiences very little precipitation, only about 5 mm (0.2 in) and zero rainy days, along with consistent humidity levels at 39%. Conversely, April showcases milder conditions, with temperatures varying from a minimum of 9°C (49°F) to a maximum of 38°C (101°F), averaging 21°C (70°F). It sees slightly more rainfall at 8 mm (0.3 in) over a single day, while maintaining the same humidity level of 39%. For more detailed information, check out Douz weather in April.

When comparing the weather in September and May, we see notable differences in temperature and humidity levels. September experiences higher average temperatures, with a minimum of 16°C (60°F) and an average of 30°C (86°F), while May has a cooler minimum of 12°C (53°F) and an average of 26°C (78°F). Both months have limited precipitation, with September seeing no rainy days and 5 mm (0.2 in) of total precipitation, while May records 4 mm (0.2 in) over just one day. Additionally, September has a higher humidity level of 39% compared to May's 31%. For a more detailed look at May weather in the region, you can check Douz weather in May.

In comparing the weather between September and June, both months experience similar minimum temperatures, hovering around 16°C (60°F - 62°F), but June tends to be slightly warmer overall, with an average temperature of 31°C (87°F) compared to September's 30°C (86°F). The peaks also reveal a notable difference, with June reaching a maximum of 47°C (117°F), while September's maximum is a bit lower at 44°C (112°F). Precipitation is minimal in both months, with September recording 5 mm (0.2 in) and June only 1 mm (0.0 in), indicating dry conditions throughout. Interestingly, June has a lower humidity level at 27%, compared to September's 39%, making June feel somewhat drier and hotter. For more specific insights, you can check out Douz weather in June.

In comparing the weather of September and July, we notice some distinct differences. September boasts a minimum temperature of 16°C (60°F) and an average of 30°C (86°F), with a maximum reaching 44°C (112°F). Interestingly, September experiences a very minimal precipitation of only 5 mm (0.2 in) and no rainy days, while maintaining a relatively higher humidity of 39%. In contrast, July has higher minimum and average temperatures, starting at 21°C (71°F) and averaging 34°C (93°F), with a scorching maximum of 49°C (120°F). Remarkably, July sees no precipitation as well, but the humidity is lower at 25%. These variations indicate that while both months are dry, July tends to be hotter overall. For more specifics on July conditions, you can view Douz weather in July.

In comparing the weather of September and August, September offers a slightly more moderate climate with an average temperature of 30°C (86°F), down from August's warmer average of 33°C (92°F). The maximum temperatures in September reach a high of 44°C (112°F), which is slightly cooler than August’s peak of 47°C (117°F). Additionally, September's minimum temperature is lower at 16°C (60°F), in contrast to August’s 21°C (71°F). Both months experience minimal precipitation, but September has an edge with only 5 mm (0.2 in) compared to August’s 1 mm (0.1 in). Notably, September also has a higher humidity level at 39%, compared to August’s 25%. For more detailed insights, check the Douz weather in August.

September weather is characterized by high temperatures, with a minimum of 16°C (60°F) and an average of 30°C (86°F), reaching a scorching maximum of 44°C (112°F). The month experiences very little precipitation, with only 5 mm recorded over 0 days, and humidity levels at a relatively low 39%. In contrast, October sees a notable drop in temperatures, with a minimum of 9°C (48°F) and an average of 23°C (74°F), peaking at 40°C (104°F). While precipitation slightly increases to 4 mm over 1 day, humidity rises to 47%, making the air feel a bit more humid. For more detailed insights, check Douz weather in October.

September and November present strikingly different weather conditions. In September, temperatures soar with a minimum of 16°C (60°F) and an average high of 30°C (86°F), reaching extremes up to 44°C (112°F), while experiencing almost no precipitation and low humidity at 39%. In contrast, November offers a much cooler climate with a minimum temperature of 4°C (39°F) and an average of 17°C (62°F), peaking at a maximum of 33°C (92°F). Additionally, November sees more precipitation, totaling 23 mm (0.9 in) over three days, and the humidity increases to 53%. For more detailed weather information, you can visit Douz weather in November.

September and December showcase a striking contrast in weather. September experiences much higher temperatures, ranging from a minimum of 16°C (60°F) to a blistering maximum of 44°C (112°F), with an average temperature of 30°C (86°F) and low humidity at 39%. In contrast, December brings a significant drop in temperature, with a minimum of 2°C (36°F), an average of 13°C (55°F), and a maximum of 24°C (76°F). Additionally, December has slightly increased humidity at 59% and sees a bit more precipitation with rain on one day, compared to the dry conditions of September. For more details on December weather, you can check Douz weather in December.

Compare Douz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Douz

In September, Douz experiences a unique transition as summer wanes, bringing a delightful mix of warmth and dryness. With average temperatures comfortably around 30°C, the days are still warm but are noticeably cooler than the peak summer heat of July and August. The lack of precipitation, with no rain reported, only enhances the dry, sunny atmosphere, making it an ideal time for outdoor adventures in the beautiful sands of the Sahara. The humidity, sitting at a moderate 39%, further contributes to the pleasant conditions, allowing for enjoyable exploration without the oppressive stickiness typical of the hotter months. For a deeper dive into the climatic nuances of Douz, visit Douz Climate.