September Weather in Erriadh, Tunisia

Last updated: August 31, 2025

September in Erriadh, Tunisia, brings a warm Mediterranean climate characterized by maximum temperatures soaring up to 41°C (107°F), with an average of 29°C (84°F) and a comfortable minimum of 21°C (70°F) during the cooler nights. The month is relatively dry, receiving only 9 mm (0.3 in) of precipitation over just one day, making it an ideal time for outdoor activities. With humidity levels hovering around 52%, the air remains pleasantly breathable, inviting visitors to explore the vibrant surroundings of this charming town. Enjoy the late summer sun in Erriadh, where the weather plays a perfect backdrop for local adventures.

September Temperature in Erriadh

In September, Erriadh, Tunisia, continues to bask in the warmth of late summer, with temperatures reflecting a gradual transition into the cooler months. The minimum temperature sits at a comfortable 21°C (70°F), providing pleasant evenings, while the average climbs to 29°C (84°F), ideal for enjoying the last rays of summer sunshine. As days unfold, the maximum temperature can reach a sweltering 41°C (107°F), creating a striking contrast to the cooler air of earlier months. This steady warmth is part of a broader trend, where temperatures peak in August and begin to taper off, setting the stage for the milder autumn days ahead. Whether soaking in the sun or exploring the vibrant culture, September offers a delightful blend of summer’s heat and the promise of seasonal change.

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

The chart illustrates September temperature patterns in Erriadh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erriadh, 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).
JanFebMarAprMayJunJulAugSepOctNovDec575963687481868784756660
Data source: Temperature data for Erriadh 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 Erriadh

In September, Erriadh, Tunisia experiences a slight uptick in precipitation, with 9 mm (0.3 in) of rain falling over the course of just one day. This marks a welcome shift after the arid summer months of July and August, which recorded no rainfall at all. As the season transitions into autumn, September acts as a gentle precursor to the wetter months ahead; October sees a significant increase with 28 mm (1.1 in) expected over four days. Overall, the gradual rise in precipitation from the dry summer to the more humid fall hints at a shift in the regional climate dynamics, making September a noteworthy month for the local ecosystem.

September Precipitation Trends in Erriadh

The chart displays monthly precipitation patterns in Erriadh, 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 Erriadh, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec713111250029283815
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Erriadh

In September, Erriadh, Tunisia experiences a noticeable shift in humidity, rising to 52% after the summer months, where levels dropped to their lowest at 41% in both July and August. This rebound signals the onset of autumn, as humidity begins to gradually increase again, setting the stage for the cooler months ahead. Throughout the year, humidity trends reveal a distinct pattern: after a peak of 61% in January, levels steadily decrease to their annual low in the summer before starting to climb again in September. As the city transitions into October, humidity is set to rise further, reinforcing the idea that the autumn months bring a refreshing change to the air.

September Average Humidity in Erriadh

This chart illustrates the average monthly humidity levels in Erriadh, 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 Erriadh is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec60%60%58%51%46%43%41%41%52%56%56%61%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Erriadh

As summer fades into autumn, September in Erriadh, Tunisia, showcases a UV Index of 8, categorizing the sun exposure as very high. With a burn time of only 15 minutes, it's clear that while temperatures may begin to drop, the sun remains potent. This month marks a slight decrease from the extreme levels experienced in July and June but maintains a strong UV presence, encouraging sun safety practices. Observing the trends from the previous months, September still calls for caution to avoid overexposure. For more detailed insights on UV levels, visit Erriadh UV Index.

Maximum UV Index Levels in Erriadh for September

The chart shows the monthly maximum UV Index (UVI) for Erriadh 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 Erriadh typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4679101111108754
Data source: Erriadh 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 Erriadh

As summer transitions into autumn, Erriadh, Tunisia experiences a delightful shift in its sunshine hours. September boasts 338 hours of golden sunlight, providing a fitting continuation of the sun-drenched months preceding it. While the total is slightly lower than the 403 hours enjoyed in July, it still reflects a robust sunshine presence that marks the end of a season brimming with warmth and vitality. This trend showcases a gradual decline as the year progresses, yet September remains a month where visitors can revel in the lingering sunshine before the cooler days of October with its 322 hours set in. With each passing month, Erriadh continues to delight sun-seekers, making it an enchanting place for those looking to bask in the Mediterranean glow.

Monthly Sunshine Duration in Erriadh: September Highlighted

The September sunshine duration represents the total number of hours Erriadh 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.
JanFebMarAprMayJunJulAugSepOctNovDec235h279h339h348h382h385h403h382h338h322h281h280h
Data source: Erriadh September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Erriadh During September

As September rolls into Erriadh, Tunisia, residents and visitors alike can expect a noteworthy 83% chance of sunny weather, making it one of the sunniest months of the year. Following the sweltering days of July and August—which boast remarkable sunshine rates of 99% and 96% respectively—September maintains the warm glow, albeit slightly reduced. This trend underscores a generally favorable transition into autumn, where sunny days are still frequent, aligning with the higher percentages seen in the early months of January through May. With October also retaining a 71% chance of sunshine, the lingering summer warmth offers a delightful backdrop for exploration and relaxation in this charming coastal town. Overall, September in Erriadh promises plentiful sunshine, inviting outdoor activities and picturesque landscapes.

Percentage of Sunny Days in September in Erriadh

The chart illustrates the percentage of sunny days in Erriadh 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 Erriadh experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec79%63%70%52%71%69%99%96%83%71%64%81%
Data source: Erriadh September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Erriadh in September

In September, Erriadh, Tunisia, enjoys a delightful 12 hours of daylight, marking a gentle transition from the long, sun-drenched days of summer into the cooler embrace of autumn. This month reflects a slight decrease from the peak 14 hours seen in June and July, encapsulating the gradual shift in seasonality. Following the vibrant summer months of June and July, where daylight reaches its zenith, September offers a balanced mix of light and shade, making it an ideal time for outdoor activities. As daylight hours continue to taper off into autumn, the lingering warmth remains a cherished feature of September, setting the stage for nature’s colorful transformation ahead.

Average Daylight Hours in Erriadh for September

The chart illustrates the variation in daylight duration in Erriadh throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 10m10h 57m11h 59m13h 2m13h 55m14h 21m14h 7m13h 20m12h 20m11h 18m10h 23m9h 55m
Data source: Erriadh daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Erriadh

In September, the wind in Erriadh, Tunisia, begins to settle from the summer's gentle breezes, averaging 4.5 m/s (10 mph). This slight dip follows a series of warmer months where winds peaked at around 4.4 m/s (10 mph) in July and 4.3 m/s (10 mph) in August. The overall trend reveals a gradual decrease in wind speed during the summer months, with cooler autumn days ahead promising a return to slightly brisker gusts by October, when speeds are expected to rise again to 4.6 m/s (10 mph). As the seasons shift, the changing winds of September offer a refreshing transition, inviting both locals and visitors to embrace the textured tapestry of life in this vibrant Tunisian town.

Average September Wind Speed in Erriadh

The chart displays monthly wind speed patterns in Erriadh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.45.24.95.65.34.94.44.34.5 m/s4.64.25.3
Data source: Erriadh September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Erriadh Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures soar with a minimum of 21°C (70°F) and an average high reaching up to 41°C (107°F), accompanied by relatively low humidity at 52%. Precipitation is minimal, with only about 9 mm (0.3 in) falling over just one day. In contrast, January brings a much cooler climate, where temperatures drop to a minimum of 5°C (41°F) and an average high of 32°C (90°F). The humidity increases slightly to 60%, and while precipitation is still low at 7 mm (0.3 in), it occurs over two days. For a deeper insight into January weather specifics, you can visit Erriadh weather in January.

September weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), peaking at a scorching 41°C (107°F). This month typically sees very little rain, averaging just 9 mm (0.3 in) across about one day of precipitation, with humidity levels around 52%. In contrast, February offers a much cooler climate, with temperatures ranging from a low of 7°C (45°F) to a comfortable average of 15°C (59°F), and a maximum of 30°C (87°F). It experiences slightly more precipitation at 13 mm (0.5 in) over approximately two days, accompanied by higher humidity at about 60%. For more detailed information, you can check Erriadh weather in February.

September and March offer contrasting weather experiences. In September, temperatures soar with a minimum of 21°C (70°F) and can reach a high of 41°C (107°F), making it significantly warmer, with an average temperature of 29°C (84°F). Humidity is relatively moderate at 52%, and rainfall is sparse, with only about 9 mm (0.3 in) falling over just one day. In contrast, March presents a much cooler climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), averaging around 17°C (63°F). The precipitation increases slightly to 11 mm (0.4 in) over three days, and humidity is a tad higher at 58%. For a more detailed look at the weather conditions during March, check Erriadh weather in March.

In comparing the weather between September and April, September tends to be significantly warmer, with average temperatures reaching a high of 29°C (84°F) and peaking at 41°C (107°F). In contrast, April experiences milder conditions, with average temperatures only hitting 20°C (68°F) and a maximum of 34°C (94°F). While September has low precipitation levels at just 9 mm (0.3 in) over 1 day, April sees slightly more rainfall at 12 mm (0.5 in) over 2 days. Humidity levels remain quite similar in both months, hovering around 52% in September and 51% in April. For more detailed insights, you can check Erriadh weather in April.

In comparing the weather between September and May, September tends to be hotter overall, with average temperatures reaching 29°C (84°F) compared to May's average of 23°C (74°F). September also boasts a higher maximum temperature of 41°C (107°F), while May can experience a peak of 44°C (111°F), highlighting the intensity of heat during certain days. Both months experience minimal precipitation, with September receiving 9 mm over one day and May slightly less at 5 mm on a similar frequency. Additionally, September has a humidity level of 52%, which is somewhat higher than May's 46%. For a more detailed look at weather conditions during this time, you can visit Erriadh weather in May.

In comparing the weather of September and June, September typically experiences slightly higher average temperatures, peaking at 41°C (107°F) compared to June's maximum of 45°C (114°F). While both months can be quite hot, September tends to have a bit more humidity at 52%, making the heat feel more intense, whereas June boasts a lower humidity level of 43%. Additionally, September sees negligible precipitation at about 9 mm (0.3 in) over just one day, while June remains completely dry with no recorded rainfall. For more detailed information on June weather, you can visit Erriadh weather in June.

In comparing the weather between September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 41°C (107°F), while July shows a min of 22°C (72°F) and a max of 44°C (111°F). Additionally, September experiences a minimal amount of precipitation, averaging 9 mm over just one day, whereas July is completely dry with no recorded rainfall. Humidity levels are also different, with September at 52% and July lower at 41%, making July feel less humid despite its higher temperatures. For more detailed insights, you can visit Erriadh weather in July.

In comparing the weather of September to August, September exhibits slightly cooler temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), compared to August's minimum of 23°C (74°F) and average of 31°C (88°F). The maximum temperatures also show a decrease, with September reaching 41°C (107°F), whereas August peaks at a sweltering 45°C (112°F). Additionally, September experiences a modest amount of precipitation at 9 mm (0.3 in) over just one day, while August remains dry with only 2 mm (0.1 in) and no precipitation days. Humidity levels are also interestingly different, with September at 52% compared to August's lower 41%. For more detailed information, you can check Erriadh weather in August.

In September, the weather is characterized by higher temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), while the maximum can soar to 41°C (107°F). The month experiences minimal precipitation, totaling just 9 mm (0.3 in) over 1 day, and humidity averages around 52%. In contrast, October sees a noticeable drop in daytime temperatures, with a minimum of 14°C (57°F) and an average of 24°C (75°F), although the maximum can still reach 43°C (109°F). This month also brings increased rainfall, totaling 28 mm (1.1 in) over 4 days, and a slight rise in humidity to 56%. For more specific details on October conditions, you can check Erriadh weather in October.

In September, the weather is characterized by high temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), reaching up to a scorching maximum of 41°C (107°F). Precipitation is minimal, with just 9 mm (0.3 in) over only one day, and humidity is relatively moderate at 52%. In contrast, November experiences much cooler temperatures, ranging from a minimum of 11°C (51°F) to an average of 19°C (67°F), and peaking at a maximum of 34°C (94°F). Rainfall is more frequent during this month, totaling 38 mm (1.5 in) over six days, with a slight increase in humidity to 56%. For more details, you can check out Erriadh weather in November.

In September, the weather is characterized by high temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), peaking at a scorching 41°C (107°F). The humidity is relatively moderate at 52%, and precipitation is minimal, with only 9 mm (0.3 in) falling over just one day. In contrast, December brings a significant drop in temperatures, with a minimum of 7°C (45°F) and an average of 15°C (60°F), reaching a maximum of 25°C (77°F). The month experiences slightly higher precipitation, totaling 15 mm (0.6 in) across three days, and humidity rises to 61%. For those interested in more detailed information, you can check Erriadh weather in December.

Compare Erriadh's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Erriadh

As September rolls in, Erriadh experiences a notable shift in weather compared to the sweltering summer months. With maximum temperatures reaching a toasty 41°C (107°F) and an average hovering around 29°C (84°F), the warmth is tempered by a relatively low humidity level of 52%, making it more bearable. Rainfall remains minimal, typically seeing just a single day of precipitation, totaling around 9 mm (0.3 in). This makes September an attractive time for outdoor activities, as the harshest heat of summer begins to wane, paving the way for more enjoyable days ahead. For a deeper dive into weather patterns throughout the year, check out the detailed insights on Erriadh Climate.