Last updated: August 21, 2025
In September, Jounieh, Lebanon experiences a warm and inviting climate, with maximum temperatures reaching 34°C (94°F) and an average of 26°C (79°F). Visitors can enjoy the pleasant warmth, as the minimum temperature dips to a comfortable 19°C (67°F). Rainfall is minimal during this month, with only 5 mm (0.2 in) recorded over just 1 day, allowing for plenty of sunshine and outdoor activities. The air remains relatively dry, with humidity levels at a low 34%, making it an ideal time to explore the stunning coastal beauty of Jounieh.
In September, Jounieh, Lebanon enjoys a delightful transition from the scorching summer months, with temperatures ranging from a mild 19°C (67°F) at night to a warm 34°C (94°F) during the day. The average temperature settles at a comfortable 26°C (79°F), making it a perfect time for outdoor activities and seaside relaxation. As the month progresses, you'll notice a gradual decline in the relentless summer heat, hinting at the approaching fall. This shift sets up September as an ideal month for both adventure seekers and those looking to unwind in this beautiful coastal city, before the temperatures dip further into autumn.
September in Jounieh, Lebanon marks a distinct transition as summer wanes, with precipitation measuring a modest 5 mm (0.2 in), recorded over just one day. This slight uptick from the virtually dry months of July and August signals the onset of the wetter season. As the year progresses, the rainfall gradually increases, with October bringing a more substantial 31 mm (1.2 in) across three days. This trend highlights the region's drying summer months giving way to a rejuvenating autumn, preparing the landscape for the heavier rains of November and December. As the warm embrace of summer fades, even the slightest September showers hint at a refreshing shift in weather patterns.
As summer in Jounieh, Lebanon, draws to a close, September brings a noticeable shift in humidity levels. With humidity levels at 34%, the air becomes relatively drier compared to the sweltering months of July and August, which recorded their lowest at 33% and 26% respectively. This marks a transitional period, as residents ease into the milder fall months, where humidity starts to rise again in October with 48%. The trend reveals a clear pattern: Jounieh experiences its most humid conditions in the winter months, peaking at 72% in January, while the summer showcases a refreshing dryness. This ebb and flow of humidity not only shapes the local climate but also influences daily life in this coastal city.
As September rolls into Jounieh, Lebanon, you can expect a UV Index of 9, which signifies a very high exposure category. This means that measures should be taken to protect your skin during this time, as the burn time is just 15 minutes under the midday sun. Compared to the heightened levels of June and July, which reached an extreme UV Index of 11, September brings a slight decrease but still necessitates caution. The trend from spring to autumn shows a consistent rise in UV levels, peaking in the summer months. As you enjoy the pleasant weather, remember to stay sun safe. For more details on the UV Index throughout the year, check out Jounieh UV Index.
UV Risk Categories
As September graces Jounieh, Lebanon, the sun continues to shine brightly with 350 hours of sunshine, marking a gentle decline from the summer peak of 415 hours in July. This trend of abundant sunlight, which begins its ascent in January with a modest 223 hours, reaches its zenith in the heart of summer and then gradually softens toward autumn. With September's warm embrace, the days remain splendidly lit, offering a perfect blend of warmth and comfort before the cooler months settle in. Interestingly, the fall transition is smooth, as the month retains a significant share of daylight compared to previous months, making Jounieh an inviting destination for those seeking to bask in the charming rays of early autumn.
As September unfolds in Jounieh, Lebanon, residents and visitors can anticipate a delightful 88% chance of sunny weather. This trend marks a slight dip from the summer months, where July and August boast impressive probabilities of 94% and 95%, respectively. However, September still maintains a robust likelihood of sunshine, making it an attractive time for outdoor activities and beachside relaxation. Following the sunshine-soaked peak of summer, the weather gradually begins to shift towards October, which offers a still favorable 80% chance of sun, revealing that while summer may wane, the warm and bright days are far from over.
In Jounieh, Lebanon, the daylight duration follows a fascinating seasonal rhythm. As the year progresses from January through March, daylight gradually increases, peaking at 14 hours during the sun-drenched months of June and July. This abundance of light begins to wane in August, signaling the approach of autumn. In September, daylight balances at 12 hours, providing a gentle transition into the shorter days of fall. By November, daylight shrinks back to 10 hours, aligning closely with the winter months, where December offers just 9 hours of sunlight. This trend highlights the beauty of Jounieh’s seasonal changes, inviting both locals and visitors to savor the varying lengths of daylight throughout the year.
As September rolls into Jounieh, Lebanon, the winds begin to whisper tales of change, with an average speed of 3.1 m/s (7 mph). This gentle breeze mirrors the calming transition from the sweltering summer months, maintaining the consistency seen from July and August. Interestingly, while May and June experienced slightly stronger winds, the September air promises a refreshing respite, as it sets the stage for the cooler days ahead. Comparatively, this wind speed aligns closely with the patterns observed in the autumn months, highlighting a steady trend as the region braces itself for the upcoming seasonal shifts. As summer yields to fall, the September winds evoke a sense of renewal, inviting both locals and visitors to embrace the tranquil beauty of Jounieh's coastal charm.
Weather in Jounieh varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jounieh, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase starkly contrasting weather patterns. In September, temperatures range from a mild 19°C (67°F) at night to a warm 34°C (94°F) during the day, with low humidity at 34% and minimal rainfall of just 5 mm over one day. In contrast, January brings chilly temperatures, with a minimum of 2°C (36°F) and a maximum of 23°C (74°F), accompanied by significantly higher precipitation of 152 mm over 13 days, along with increased humidity at 71%. For more detailed insights on January weather in Jounieh, you can view this link: Jounieh weather in January.
September and February exhibit stark contrasts in weather patterns. September boasts warmer temperatures, with daily averages around 26°C (79°F) and maximums reaching up to 34°C (94°F), complemented by very little precipitation at just 5 mm (0.2 in) over a single day. In sharp contrast, February experiences much cooler temperatures, averaging 13°C (56°F) and peaking at 23°C (74°F), alongside significantly higher rainfall of 102 mm (4.0 in) spread over 10 days. The humidity also noticeably shifts, rising from a comfortable 34% in September to a more damp 67% in February. For more details on February weather, you can visit Jounieh weather in February.
September and March present stark contrasts in weather. September boasts warmer temperatures, with a minimum of 19°C (67°F) and an average of 26°C (79°F), peaking at a scorching 34°C (94°F). The humidity remains relatively low at 34%, and precipitation is minimal, with only 5 mm (0.2 in) over just one day. In contrast, March experiences much cooler conditions, starting with a low of 3°C (38°F) and an average of 14°C (58°F), reaching a maximum of 29°C (85°F). This month sees significantly more rainfall, totaling 106 mm (4.2 in) over 11 days and a higher humidity level of 62%. For a detailed look at March weather specifically in Jounieh, you can visit Jounieh weather in March.
September and April present contrasting weather conditions. In September, temperatures typically range from a minimum of 19°C (67°F) to a maximum of 34°C (94°F), averaging around 26°C (79°F). The month is relatively dry, with just 5 mm (0.2 in) of precipitation over only one day and humidity at a comfortable 34%. In contrast, April experiences cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 29°C (85°F), averaging 18°C (64°F). It's also a much wetter month, receiving 49 mm (1.9 in) of rain across about eight days, accompanied by higher humidity levels at 47%. For more detailed information, check out Jounieh weather in April.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (94°F) and an average of 26°C (79°F). It is relatively dry with only 5 mm (0.2 in) of precipitation falling over just one day, contributing to a low humidity level of 34%. In contrast, May features cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 33°C (92°F), averaging at 22°C (72°F). May tends to be wetter, with 15 mm (0.6 in) of precipitation over four days and higher humidity at 46%. For a closer look at the weather specifics in May, you can visit Jounieh weather in May.
In comparing the weather between September and June, September tends to be slightly warmer, with average temperatures of 26°C (79°F) compared to June's 24°C (76°F). The maximum temperatures also reflect this trend, reaching up to 34°C (94°F) in September, contrasted with June's peak of 32°C (90°F). Precipitation is similar in both months, with September experiencing rain on one day and June on two days, but the overall humidity remains consistent at 34%. For a more detailed look at June weather specifically, you can check out Jounieh weather in June.
In comparing the weather between September and July, both months offer warm temperatures, but there are notable differences. September sees a minimum temperature of 19°C (67°F) and an average of 26°C (79°F), while July is slightly warmer with a minimum of 22°C (72°F) and an average of 27°C (81°F). Maximum temperatures also peak higher in July at 35°C (95°F) compared to 34°C (94°F) in September. Precipitation is minimal in both months, with September experiencing 5 mm (0.2 in) over 1 day, while July remains drier with only 2 mm (0.1 in) and no rainy days. Humidity levels are quite similar, with September at 34% and July at 33%. For those interested in local conditions, more specific details can be found at Jounieh weather in July.
In comparing the weather between September and August, September shows a slight increase in minimum temperatures, with lows of 19°C (67°F) compared to August's 23°C (73°F). The average temperature in September reaches 26°C (79°F), just slightly lower than August's average of 27°C (82°F). Notably, September has a higher maximum temperature, peaking at 34°C (94°F), while August’s maximum is at 33°C (92°F). Additionally, September has minimal precipitation of 5 mm (0.2 in) falling over just one day, in contrast to August, which recorded only 3 mm (0.1 in) without any rainy days. Humidity levels are also higher in September at 34%, compared to 26% in August. For more detailed weather information, visit Jounieh weather in August.
In September, the weather tends to be warmer and drier, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (94°F), accompanied by low humidity levels at 34%. The month sees only a small amount of precipitation, accumulating to just 5 mm (0.2 in) over the course of a single day. In contrast, October brings cooler temperatures, with a minimum of 15°C (60°F) and an average of 23°C (75°F). This month experiences increased humidity at 48% and more rainfall, totaling 31 mm (1.2 in) over three days. For a more detailed look at the weather in this month, check out Jounieh weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and a maximum reaching up to 34°C (94°F). The month experiences minimal precipitation, averaging just 5 mm (0.2 in) over a single day, and humidity is relatively low at 34%. In contrast, November sees a significant drop in temperature, with a minimum of 12°C (53°F) and an average of 19°C (67°F), peaking at 29°C (84°F). Rainfall is much more prevalent during this month, totaling 52 mm (2.0 in) across 8 days, resulting in a higher humidity level of 61%. For more details on the weather in November, you can check this link: Jounieh weather in November.
September showcases a warm and relatively dry climate, with temperatures ranging from a comfortable 19°C (67°F) at night to a scorching 34°C (94°F) during the day. This month enjoys low humidity levels of just 34% and only a single day of light precipitation, totaling 5 mm (0.2 in). In stark contrast, December brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 28°C (82°F). The month is significantly wetter, experiencing 167 mm (6.6 in) of rain over 13 days and higher humidity at 72%. For more details on the weather in December, visit Jounieh weather in December.
As summer transitions to autumn, September in Jounieh ushers in a pleasant change in weather. The temperatures remain warm, yet the intense heat of July and August begins to wane, providing a more comfortable atmosphere for both locals and visitors. With an average temperature of 26°C (79°F) and minimal precipitation, the month is characterized by dry days and low humidity, making it ideal for outdoor activities and exploring the stunning coastline. The single day of light rain at the start of autumn keeps the region refreshed, setting the stage for the beautiful fall season ahead. For a deeper dive into Jounieh's year-round weather trends, visit Jounieh Climate.