September Weather in Nabeul, Tunisia

Last updated: October 31, 2025

Nabeul, Tunisia in September experiences mildly warm temperatures, with a maximum of 31°C (88°F) and an average of 25°C (78°F), while temperatures can dip to a comfortable minimum of 19°C (66°F). The month sees a moderate rainfall of 36 mm (1.4 in) over approximately 5 days, resulting in a humidity level of around 72%. This combination of warmth and occasional rainfall contributes to a pleasant, inviting atmosphere, perfect for exploring the scenic beauty and cultural richness of the region.

September Temperature in Nabeul

In September, Nabeul, Tunisia, experiences a delightful transition as summer begins to ease its grip, offering a blend of warm days and cooler evenings. With minimum temperatures around 19°C (66°F) and maximums reaching 31°C (88°F), this month marks a shift toward more moderate weather. The average temperature hovers at a comfortable 25°C (78°F), inviting both locals and visitors to enjoy outdoor activities amidst the scenic coastal backdrop. As the high summer heat recedes, September becomes an ideal time to explore the charming markets and picturesque beaches, all under the gentle kiss of the Mediterranean breeze.

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

The chart illustrates September temperature patterns in Nabeul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nabeul, September typically has an average temperature of 25°C (78°F), with highs reaching up to 31°C (88°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec555657616673798177706458
Data source: Temperature data for Nabeul 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 Nabeul

In September, Nabeul, Tunisia, experiences a noticeable uptick in precipitation, recording 36 mm (1.4 in) over five days. This marks a significant shift from the dry summer months, where July and June saw minimal rainfall, with only 1 mm (0.0 in) and 5 mm (0.2 in), respectively. As summer fades, the arrival of September brings a refreshing change, preparing the region for the wetter months ahead. This pattern suggests a transition towards the autumn season, with rainfall increasing as October looms, promising an average of 75 mm (3.0 in), which often revitalizes the landscape after the aridity of summer. Overall, September serves as a bridge, heralding the change in climate and setting the stage for a more vibrant fall in Nabeul.

September Precipitation Trends in Nabeul

The chart displays monthly precipitation patterns in Nabeul, 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 Nabeul, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec203255301551936755631
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nabeul

In Nabeul, Tunisia, September experiences an average humidity of 72%, reflecting a slight recovery from the drier months of July and August, both of which dipped to 69%. This gradual increase in humidity signals the transition into autumn, as it edges closer to the early spring values of January through May, where humidity levels hover around the 73-75% mark. Despite not reaching the peak levels seen earlier in the year, September's moisture content helps to maintain a balanced and comfortable climate, paving the way for the pleasant weather that autumn brings.

September Average Humidity in Nabeul

This chart illustrates the average monthly humidity levels in Nabeul, 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 Nabeul is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%71%72%75%74%72%69%69%72%74%72%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nabeul

September in Nabeul, Tunisia, continues the trend of very high UV exposure, with a UV Index of 8 this month. This drop from the extreme levels of summer signifies a gradual shift towards milder conditions, yet sun seekers should still exercise caution, as the burn time remains a swift 15 minutes. Following the intensity of June and July, where the UV peaked at 11, September still holds considerable strength, urging beachgoers and outdoor enthusiasts to prioritize protection against sun damage. To learn more about the UV Index trends throughout the year, visit Nabeul UV Index.

Maximum UV Index Levels in Nabeul for September

The chart shows the monthly maximum UV Index (UVI) for Nabeul 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 Nabeul typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891110108743
Data source: Nabeul 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 Nabeul

As summer gently surrenders to autumn, September in Nabeul, Tunisia, offers a delightful transition, basking in 334 hours of sunshine. This month reflects the tail end of the sunniest stretch of the year, peaking in July with an impressive 413 hours. Though September sees a decline in daylight hours compared to the vibrant summer months, the warmth is still palpable, echoing the sun-drenched days of June and August. As the days gradually shorten moving into October, the rich warmth and lingering brightness of September provide a perfect backdrop for outdoor adventures and cultural explorations in this charming coastal town.

Monthly Sunshine Duration in Nabeul: September Highlighted

The September sunshine duration represents the total number of hours Nabeul 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.
JanFebMarAprMayJunJulAugSepOctNovDec222h276h334h349h392h394h413h385h334h317h271h274h
Data source: Nabeul September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nabeul During September

In Nabeul, Tunisia, September offers a 60% chance of sunny weather, marking a seamless transition from the sun-drenched summer months. Following the peak sunshine of July (94%) and August (91%), September’s likelihood of clear skies remains comfortably high, aligning closely with the averages of spring and early autumn. This trend highlights a consistent pattern of warm, pleasant days, making September an appealing choice for those wishing to soak in the lingering summer sun before the cooler autumn weather arrives. Whether you're planning beach days or outdoor excursions, you can expect a delightful blend of sunshine throughout the month.

Percentage of Sunny Days in September in Nabeul

The chart illustrates the percentage of sunny days in Nabeul 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 Nabeul experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%62%62%48%60%54%94%91%60%49%64%60%
Data source: Nabeul September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nabeul in September

As summer fades into autumn, September in Nabeul, Tunisia, offers a transitional daylight experience, featuring around 12 hours of sunlight. This illumination follows the peak brightness of 14 hours seen in the summer months of June, July, and August, marking a gradual shift as daylight begins to wane. While September sees a reduction in sunlight compared to the vibrant summer days, it still holds more light than the winter months, where daylight dips to as little as 9 hours in January and December. The rhythmic ebb and flow of hours spent basking in the sun highlight the region's delightful Mediterranean climate, inviting both locals and visitors to savor the warmth and beauty of this time of year.

Average Daylight Hours in Nabeul for September

The chart illustrates the variation in daylight duration in Nabeul throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 58m10h 50m11h 58m13h 8m14h 6m14h 35m14h 20m13h 28m12h 22m11h 13m10h 12m9h 42m
Data source: Nabeul daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Nabeul

As September unfolds in Nabeul, Tunisia, the average wind speed reaches a pleasant 4.7 m/s (10 mph), marking a gentle transition into autumn. This month showcases a subtle uptick from the summer lull, where August recorded its lowest at 3.7 m/s (8 mph), allowing for a refreshing breeze that is inviting for locals and visitors alike. Compared to earlier months, September’s winds balance a refreshing vigor with comforting warmth, setting a perfect scene for outdoor activities. As the year progresses into October, a slight increase to 4.9 m/s (11 mph) suggests the winds are gearing up for a more invigorating autumn, hinting at the dynamic climatic shifts that characterize Tunisia’s coastal regions throughout the year.

Average September Wind Speed in Nabeul

The chart displays monthly wind speed patterns in Nabeul, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.94.54.84.84.24.24.33.74.7 m/s4.94.35.4
Data source: Nabeul September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Nabeul Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures are warmer, with minimums around 19°C (66°F) and averages reaching up to 25°C (78°F), peaking at a sweltering 31°C (88°F). The month experiences about 36 mm (1.4 in) of precipitation over approximately 5 days, accompanied by a humidity level of 72%. In contrast, January brings cooler weather, with minimum temperatures dropping to 7°C (45°F), averages around 13°C (56°F), and maximums only reaching 21°C (70°F). Precipitation in January is lighter at 20 mm (0.8 in) over 4 days, with slightly higher humidity at 73%. For a closer look at January conditions, visit Nabeul weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 31°C (88°F), with an average of 25°C (78°F), making it significantly warmer than February. Precipitation in September averages 36 mm (1.4 in) over around 5 days, while February sees slightly less rainfall at 32 mm (1.3 in) over 6 days. Humidity levels are quite similar, at 72% in September and 71% in February, but the overall feel of the months is distinct due to the temperature differences. For a more detailed look at February weather, check out Nabeul weather in February.

September and March present contrasting weather patterns. In September, temperatures are warmer, with a minimum of 19°C (66°F) and an average of 25°C (78°F), peaking at a maximum of 31°C (88°F). The month experiences light precipitation of 36 mm (1.4 in) over about 5 days, alongside a consistent humidity level of 72%. In contrast, March sees cooler temperatures ranging from a minimum of 8°C (47°F) to a maximum of 21°C (71°F), with an average of 14°C (58°F). Precipitation is slightly higher at 55 mm (2.2 in) spread over approximately 7 days, but humidity remains consistent at 72%. For more details on the weather in March, visit Nabeul weather in March.

In September, temperatures are significantly warmer, with minimums around 19°C (66°F) and average highs reaching up to 31°C (88°F). In contrast, April experiences cooler conditions, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 24°C (75°F). While both months see about five days of precipitation, September has slightly higher rainfall at 36 mm (1.4 in) compared to April's 30 mm (1.2 in). Humidity levels are similar, with September averaging 72% and April at 75%. For more insights on April weather, visit Nabeul weather in April.

In September, temperatures range from a minimum of 19°C (66°F) to a warm average of 25°C (78°F), peaking at a maximum of 31°C (88°F). This month experiences higher precipitation levels, with 36 mm (1.4 in) of rainfall over about 5 days and humidity averaging 72%. In contrast, May features cooler temperatures, with a minimum of 13°C (55°F) and an average of 19°C (67°F), along with a maximum of 29°C (85°F). The month sees significantly less rainfall, totaling only 15 mm (0.6 in) over 2 days, and slightly higher humidity at 74%. For more details on weather conditions, check out Nabeul weather in May.

In comparing the weather between September and June, we find that September generally features warmer temperatures, with an average of 25°C (78°F) compared to June's average of 23°C (73°F). Both months can reach a high of 31°C (88°F), but September tends to be more humid, with humidity levels around 72%, slightly higher than June's 71%. Additionally, September experiences more precipitation, averaging 36 mm (1.4 in) over 5 days, whereas June remains mostly dry, with only 5 mm (0.2 in) of rain typically falling across zero days. For more details on June weather in this region, check out Nabeul weather in June.

In comparing the weather of September and July, we see some notable differences. September experiences slightly cooler temperatures overall, with a minimum of 19°C (66°F) and an average of 25°C (78°F), while July has warmer minimums, starting at 21°C (70°F) and averaging 26°C (79°F). Additionally, September is marked by increased precipitation, receiving 36 mm (1.4 in) over 5 days compared to July's negligible 1 mm (0.0 in) with no rainy days at all. Humidity levels remain relatively similar, with September at 72% and July slightly lower at 69%. For more specifics on July weather, you can visit Nabeul weather in July.

In comparing the weather between August and September, September generally presents a slight cooling trend. While August boasts higher temperatures with a minimum of 22°C, an average of 27°C, and a maximum of 35°C, September sees temperatures ranging from a minimum of 19°C to a maximum of 31°C. Precipitation in September increases to 36 mm over 5 days, contrasted with just 9 mm over 2 days in August, indicating a shift toward a wetter climate as summer transitions to autumn. Moreover, humidity remains relatively high in both months, with September at 72% and August at 69%. For those interested in more details about the weather in August, you can check out Nabeul weather in August.

In comparing September and October weather, September typically offers warmer temperatures, with an average of 25°C (78°F) and highs reaching up to 31°C (88°F). It also experiences relatively low precipitation of 36 mm (1.4 in) over 5 days. In contrast, October sees a drop in average temperatures to 21°C (71°F), with a maximum temperature of 28°C (83°F). However, this month is wetter, recording 75 mm (3.0 in) of precipitation over 8 days. Humidity remains fairly consistent between the two months, with September at 72% and October slightly higher at 74%. For more specific details, you can check Nabeul weather in October.

September and November exhibit noticeable differences in weather patterns. In September, temperatures are generally warmer, with averages around 25°C (78°F) and maxima reaching up to 31°C (88°F). The month typically sees about 36 mm (1.4 in) of rainfall over approximately 5 days, while humidity remains consistent at 72%. In contrast, November experiences cooler temperatures, with average highs around 18°C (64°F) and a maximum of 27°C (81°F). Precipitation increases to 56 mm (2.2 in) over 8 days, maintaining the same humidity level of 72%. For more detailed information, you can check Nabeul weather in November.

In September, the weather is significantly warmer, with average temperatures ranging from 19°C (66°F) at night to a high of 31°C (88°F) during the day, along with a moderate level of precipitation at 36 mm over about 5 days. Conversely, December brings a much cooler climate, with average temperatures dropping to between 8°C (48°F) and 20°C (68°F). Although December sees slightly less precipitation at 31 mm, it occurs over more days (7 days), maintaining a humidity level of 72% similar to September. For more detailed information on the weather in December, you can check Nabeul weather in December.

Compare Nabeul's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Nabeul

As summer gracefully transitions to autumn, September in Nabeul brings a delightful shift in weather. The temperatures remain comfortably warm, averaging around 25°C (78°F), but with maximum highs reaching up to 31°C (88°F), carving out the perfect balance for outdoor adventures. Unlike the heavy rainfall typical of winter, September offers a comparatively dry month, with just a few days of light precipitation totaling 36 mm (1.4 in). The humidity levels, hovering around 72%, lend a pleasant coastal feel, making it an ideal time to explore Nabeul's stunning landscapes without the sweltering heat of July and August. Overall, September serves as a gentle embrace of fall, offering a unique charm that distinguishes it from the hotter summer months. For more detailed insights, check out Nabeul Climate.