Last updated: August 21, 2025
September in Mostaganem, Algeria, offers a delightful escape with pleasant temperatures ranging from a maximum of 32°C (89°F) to a comfortable average of 25°C (77°F), dipping to a refreshing minimum of 17°C (63°F) during the cooler nights. The month sees minimal precipitation, totaling just 14 mm (0.6 in) over 2 days, ensuring ample sunshine for outdoor activities. With an average humidity of 55%, visitors can enjoy the warmth without feeling overwhelmed, making it an ideal time for exploring the charming coastal town and its beautiful surroundings.
In September, Mostaganem, Algeria, enjoys a delightful transition towards the end of summer, with temperatures averaging a comfortable 25°C (77°F). The month starts with a minimum of 17°C (63°F), providing pleasantly warm mornings and evenings, while daytime highs reach up to 32°C (89°F). This upward trend from earlier months, where temperatures were consistently climbing through the summer, reflects the lingering warmth before the cooler autumn months set in. As September unfolds, residents and visitors alike can bask in the sun’s glow, making it an ideal time for outdoor activities and soaking up the vibrant coastal atmosphere.
September in Mostaganem, Algeria, marks a subtle shift as the dry summer months give way to a slight increase in precipitation. With 14 mm (0.6 in) of rain falling over just 2 days, it's a hint that the wet season is on the horizon, following a notably arid July and August where rainfall was virtually absent. This transition is part of a broader trend observed throughout the year, where significant precipitation occurs from late autumn to early winter, peaking in January and November. The relatively low September precipitation sets the stage for the wetter months ahead, making it a pivotal time for agricultural preparations in the region. As the landscape begins to sigh with relief from the summer heat, this gradual uptick in rain suggests that nature is embracing its seasonal rhythm once more.
In Mostaganem, Algeria, September marks a noticeable transition in humidity levels. After the summer months where humidity dipped to a low of 39% in August, September brings a slight uptick with humidity rising to 55%. This increase signals the onset of fall, where moisture levels begin to stabilize. As the year progresses, humidity will continue to ascend, reaching 65% in October and peaking at 79% in December. This pattern reflects a shift from the dry summer air back to the more humid conditions typical of winter, illustrating the region’s dynamic climate as it navigates the changing seasons.
As September arrives in Mostaganem, Algeria, the UV Index reflects a significant trend in sun exposure, peaking at 8 on the scale, categorizing this month's sun intensity as very high. This slight decrease from the extreme levels observed in the summer months of June and July suggests a gradual transition towards milder autumn conditions, yet caution is still warranted with a burn time of just 15 minutes for unprotected skin. Those enjoying the warm days of early fall should remain vigilant, as September’s UV levels are still notably higher than winter months. For more details on staying safe in the sun, visit Mostaganem UV Index.
UV Risk Categories
As summer fades into fall, September in Mostaganem, Algeria offers a delightful continuation of sunny days, with 331 hours of sunshine illuminating the landscape. This month marks a gentle decline from the peak of July, which boasts an impressive 402 hours, but still provides a warm embrace, perfect for enjoying the outdoors. The trend from the past months reveals a gradual increase in sunlight from January's 225 hours to September, demonstrating the region's transition into the sun-soaked autumn. Even as the days begin to shorten, the vibrant sunlight of September captivates locals and visitors alike, making it an idyllic time to experience the natural beauty of this coastal gem.
In September, Mostaganem, Algeria enjoys a 60% chance of sunny weather, marking a transition into the autumn months. This figure aligns closely with the 60% chance observed in October, suggesting a continuation of favorable weather conditions. Notably, the summer months of July and August boast even higher probabilities of sunshine, at 81% and 68% respectively, highlighting the region's appeal during the peak of summer. As September approaches, the weather remains pleasant, combining the warmth of summer with a hint of fall, making it an ideal time for outdoor activities and exploration.
In Mostaganem, Algeria, September marks a transition as daylight begins to wane, providing about 12 hours of sunshine each day. While the summer months of June, July, and August bask in a generous 14 hours of daylight, September sees a slight decrease, heralding the onset of autumn. This slight dip is part of a broader trend as the year progresses towards winter; daylight hours gradually shorten from the peak of 14 in the summer down to 9 hours in December. Observing this shift highlights the rhythmic pattern of changing seasons in Mostaganem, where daylight plays a significant role in shaping the daily life and activities of its residents.
As September arrives in Mostaganem, Algeria, the average wind speed gently settles at 3.5 m/s (8 mph), reflecting a notable trend of gradual decline from the summer months. While July and August saw the winds ease to 3.7 m/s and 3.4 m/s respectively, September continues this pattern, introducing a calmer atmosphere that often mirrors the transition into autumn. Interestingly, this month's wind speeds align with October's, emphasizing a stability in breezy conditions as the year starts to shift. Overall, the consistent pattern of lighter winds in late summer and early autumn offers a serene backdrop for the picturesque coastal city, inviting residents and visitors alike to enjoy the tranquil beauty of the season.
Weather in Mostaganem varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mostaganem, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in September is characterized by warmer temperatures, with a minimum of 17°C (63°F) and an average of 25°C (77°F), peaking at a maximum of 32°C (89°F). This month experiences relatively low precipitation, averaging only 14 mm (0.6 in) over just 2 days, alongside a moderate humidity level of 55%. In contrast, January brings cooler conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 19°C (67°F), resulting in a significantly lower average of 13°C (56°F). Additionally, January is much wetter, seeing 63 mm (2.5 in) of rainfall over 7 days and a higher humidity level of 77%. For more details on January weather, you can check Mostaganem weather in January.
When comparing the weather in September and February, a distinct contrast emerges. September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 25°C (77°F), peaking at a high of 32°C (89°F). The month typically experiences low precipitation, averaging just 14 mm (0.6 in) over approximately 2 days, and maintains a comfortable humidity level at around 55%. In stark contrast, February presents a cooler climate, where the temperatures range from a minimum of 9°C (48°F) to a maximum of 23°C (74°F), with an average of 14°C (58°F). This month receives slightly more rain, with 22 mm (0.9 in) spread across about 4 days and higher humidity, reaching 70%. For a more detailed look at February’s weather, visit Mostaganem weather in February.
When comparing the weather in September and March, notable differences in temperature and precipitation emerge. September enjoys warmer temperatures, with a minimum of 17°C (63°F) and an average of 25°C (77°F), peaking at a maximum of 32°C (89°F). In contrast, March is considerably cooler, starting with a minimum of 9°C (48°F) and averaging just 15°C (60°F), with a maximum reaching 25°C (77°F). Rainfall is also more prevalent in March, accumulating 51 mm (2.0 in) over 8 days, compared to September's lighter 14 mm (0.6 in) over 2 days. Additionally, March tends to be slightly more humid at 65%, while September maintains a lower humidity of 55%. For more detailed information, check out Mostaganem weather in March.
In comparing the weather between September and April, September generally offers warmer temperatures, with average highs reaching 25°C (77°F) compared to April's average high of 17°C (62°F). September experiences a milder climate, featuring minimum temperatures of 17°C (63°F) versus April’s cooler minimum of 11°C (53°F). Precipitation is significantly lower in September, with only 14 mm (0.6 in) over just 2 days, while April sees more rain, accumulating 44 mm (1.7 in) over 8 days. Humidity levels are slightly higher in April at 57%, compared to September's 55%. For more detailed insights into April weather, you can visit Mostaganem weather in April.
In September, the weather is generally warmer than in May, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), compared to May's minimum of 13°C (55°F) and maximum of 30°C (86°F). Both months exhibit relatively low precipitation, with September receiving 14 mm (0.6 in) over just 2 days, while May experiences slightly higher rainfall at 17 mm (0.7 in) over 3 days. Additionally, September has a higher average temperature of 25°C (77°F), indicating a transition towards the cooler fall months, whereas May’s average temperature is 20°C (68°F). Humidity levels are also comparable, with September at 55% and May at 52%. For a detailed look at the weather specifics in May, you can visit Mostaganem weather in May.
In comparing September and June weather, September tends to be warmer overall, with average temperatures reaching 25°C (77°F) compared to June's average of 22°C (73°F). While June boasts slightly higher minimum and maximum temperatures, September experiences more humidity at 55%, compared to June's 47%. Precipitation is notably higher in September, with 14 mm falling over two days, while June typically remains dry with only 4 mm of rain and no recorded precipitation days. For more detailed information, you can check Mostaganem weather in June.
In comparing the weather of September and July, we see some notable differences. September experiences slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 32°C (89°F), while July has a higher minimum of 20°C (69°F) and a similar maximum of 31°C (87°F). Precipitation is more prominent in September, totaling 14 mm (0.6 in) over 2 days, whereas July remains dry with only 1 mm (0.0 in) and no rainy days. Additionally, humidity levels are higher in September at 55% compared to July's 45%, making September feel a bit more humid despite the cooler minimum temperatures. For more detailed statistics, you can refer to Mostaganem weather in July.
In comparing the weather between September and August, September tends to be slightly cooler, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), averaging 25°C (77°F). Additionally, the precipitation increases in September, totaling 14 mm (0.6 in) over 2 days, and the humidity rises to 55%. In contrast, August boasts warmer temperatures, with a minimum of 22°C (72°F), an average of 27°C (80°F), and a maximum of 33°C (92°F). Remarkably, August experiences less precipitation, with only 2 mm (0.1 in) and no rainy days, accompanied by lower humidity at 39%. For more detailed information, you can check Mostaganem weather in August.
September typically experiences warmer temperatures, with averages around 25°C (77°F) and highs reaching up to 32°C (89°F). The month is relatively dry, with only 14 mm (0.6 in) of precipitation over just 2 days. In contrast, October brings cooler temperatures, with an average of 21°C (71°F) and a maximum of 30°C (86°F). Precipitation increases significantly to 35 mm (1.4 in) over 4 days, and humidity rises to 65%, creating a more humid and variable climate. For a detailed look at October's weather patterns, visit Mostaganem weather in October.
In comparing the weather between September and November, we see a significant drop in temperatures and an increase in precipitation. September boasts a warm average temperature of 25°C (77°F), with highs reaching up to 32°C (89°F) and only 14 mm of rain across just two days. In contrast, November brings cooler temperatures, with an average of 17°C (63°F), maximums of 28°C (83°F), and a noticeable increase in rainfall to 68 mm over ten days, alongside higher humidity levels at 69%. For more detailed insights about November weather, you can visit Mostaganem weather in November.
September and December present distinct weather contrasts. In September, temperatures are notably warmer, with a minimum of 17°C (63°F), an average of 25°C (77°F), and a maximum of 32°C (89°F). The month sees relatively low precipitation, averaging just 14 mm (0.6 in) over only 2 days, coupled with a moderate humidity of 55%. In contrast, December experiences cooler temperatures, ranging from a minimum of 9°C (48°F) to an average of 15°C (59°F) and a maximum of 21°C (70°F). This month is characterized by increased precipitation, totaling 52 mm (2.0 in) spread over 8 days, and a higher humidity level of 79%. For more details on December weather conditions, you can check Mostaganem weather in December.
As September arrives in Mostaganem, the weather begins to shift, offering a delightful transition from the stifling summer heat to more temperate conditions. With warm maximum temperatures around 32°C (89°F) and a comfortable average of 25°C (77°F), this month strikes a perfect balance for outdoor activities. Unlike the sweltering days of summer, September experiences a slight increase in humidity and a modest amount of precipitation, refreshing the landscape after the dry spells. The two days of rain and an overall precipitation total of 14 mm (0.6 in) help herald the approach of autumn while maintaining the vibrant beauty of the season. For a deeper understanding of how the climate evolves throughout the year, check out Mostaganem Climate.