Last updated: August 21, 2025
In September, Asmara, Eritrea experiences a delightful mix of mild temperatures and modest rainfall, creating an inviting atmosphere for visitors. The maximum temperature reaches a pleasant 30°C (86°F), while the average hovers around a comfortable 21°C (70°F). Nighttime brings cooler air, with lows dropping to 13°C (56°F). Precipitation is light, totaling 53 mm (2.1 in) across 7 days, contributing to the region’s lush greenery. With humidity levels around 46%, September in Asmara offers a refreshing escape and the perfect backdrop for exploration.
In September, Asmara experiences a comfortable climate characterized by mild temperatures that reflect the transitional nature of the season. With minimums hovering around 13°C (56°F) and maximums reaching 30°C (86°F), the month maintains an average of 21°C (70°F), offering pleasantly warm days and cooler nights. This stability in temperature marks a slight dip from the previous months, highlighting a gradual shift towards autumn. It's a time when the sunny days are still vibrant, making September an inviting month for exploration, while the temperatures remain distinctly moderate compared to the peak summer heat. Overall, this month's climate sets a perfect backdrop for enjoying the city’s cultural treasures and stunning landscapes.
In September, Asmara experiences a notable decrease in precipitation, receiving 53 mm (2.1 in) of rain over just 7 days. This marks a significant drop from the previous two months, which are characterized by much heavier rainfall, especially August, which sees 242 mm (9.5 in) across 28 days. The transition to September suggests a shift towards the end of the rainy season, as the city gradually moves from the peak deluge of July and August, where rainfall can accumulate for extended periods, to a comparatively drier autumn. As the month progresses, the rains become less frequent, helping to usher in clearer skies while still providing enough moisture for the surrounding landscapes to thrive.
In Asmara, Eritrea, September marks a transition in humidity levels, with an average of 46%. This month follows the peak humidity of 60% seen in August, signaling the gradual onset of drier conditions. As the year unfolds, humidity fluctuates, starting from a mild 51% in January and dipping to its lowest point of 34% in March. Following this dry spell, humidity levels slowly rise again, particularly in mid-year, reaching their highest in late summer. By September, the air feels noticeably fresher, paving the way for October's slight increase to 49%. This trend showcases the unique rhythm of Asmara’s climate, where the interplay of humidity plays a significant role in shaping its seasonal character.
In September, Asmara experiences a UV Index of 12, continuing the trend of extreme exposure that has characterized the months leading up to it. This slight dip from the peak values in March and April is a reminder that, despite the changing seasons, the risk of sunburn remains significant, with a burn time of just 10 minutes. As the sun's intensity remains high, it’s crucial to stay vigilant with sun protection strategies. As the year transitions into autumn, the UV Index remains a compelling reason to remain sun-safe. For more detailed information, check out Asmara UV Index.
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September in Asmara offers a delightful retreat from the peak summer months, basking in 325 hours of sunshine. As the year transitions from the sun-drenched heights of March and April, which boast impressive totals of 349 and 344 hours respectively, September maintains a warm glow, though it sees a gentle decline in brightness. This month serves as a bridge, gracefully leading into the milder days of October, which nudges back up to 335 hours. Overall, the trend showcases a remarkable resilience of sunshine throughout the year, with September nestled comfortably in the latter half, reminding us that even as summer wanes, Asmara's embrace of sunlight remains vibrant and inviting.
In September, Asmara, Eritrea experiences a notable uptick in sunny weather, with a 63% chance of sun marking one of the highest probabilities for the year. This increase follows the cooler, cloudier months of July and August, which feature significantly lower chances of sunshine. As the region transitions into autumn, the likelihood of clear skies continues to climb, peaking again in October at 67%. This trend reflects the overall pattern of the year, where the sun’s prominence fluctuates, but September stands out as a bright invitation for outdoor activities and exploration in the vibrant landscapes of Eritrea.
In Asmara, Eritrea, the trend of daylight duration throughout the year reveals a fascinating rhythm. Starting the year with 11 hours of daylight in both January and February, the days gradually lengthen, peaking at 13 hours in June. The summer months see a vibrant balance of light, with 12 hours persisting from March through August. As September arrives, the daylight holds steady at 12 hours, showcasing the city's consistent exposure to the sun before the daylight begins to taper off again with the arrival of October. This cyclical pattern reflects a gentle ebb and flow, creating a harmonious blend of light and shadow throughout the seasons.
As September rolls into Asmara, Eritrea, the wind begins to whisper its gentle melodies, averaging a modest 2.1 m/s (5 mph). This slight uptick from August's breezy 2.3 m/s reflects a transitional phase as summer gracefully hands over the reins to autumn. Throughout the year, wind speeds in Asmara show a gradual rise from the stillness of January and February, peaking in the warm months of July, where they reach 2.9 m/s (7 mph). Post-summer, a subtle decline begins, signaling the retreat of heat and the anticipation of cooler months. This rhythmic pattern of wind not only brings a refreshing touch to the air but also enhances the city’s charm, making September a particularly pleasant time to experience the serene landscapes of Eritrea.
Weather in Asmara varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Asmara, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 30°C (86°F), alongside moderate humidity at 46%. During this month, the region experiences around 53 mm (2.1 in) of precipitation over approximately 7 days. In contrast, January brings cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 27°C (81°F), and an average temperature of 16°C (62°F). Despite having lower precipitation totals of 32 mm (1.2 in), January sees rain on a slightly higher number of days, around 10, with humidity increasing to 51%. For more details, check out Asmara weather in January.
When comparing the weather in September and February, notable differences emerge in both temperature and precipitation patterns. September typically enjoys warmer temperatures, with daily averages around 21°C (70°F) and a maximum reaching up to 30°C (86°F), while February sees cooler averages of 17°C (63°F) and a maximum of 28°C (82°F). In terms of precipitation, February experiences slightly more rain, with 61 mm (2.4 in) over 14 days, compared to September's 53 mm (2.1 in) spread across 7 days. Humidity levels remain relatively similar, hovering around 46% in September and 47% in February. For more detailed insights into February weather, you can visit Asmara weather in February.
September and March show some intriguing similarities and differences in weather patterns. Both months experience maximum temperatures reaching up to 30°C (86°F), but the average temperatures reveal that September is warmer, with highs around 21°C (70°F) compared to March's average of 19°C (66°F). In terms of minimum temperatures, September is slightly warmer at 13°C (56°F) versus March's cooler 9°C (49°F).
Precipitation levels differ as well, with September receiving 53 mm (2.1 in) of rainfall over 7 days, while March has less rainfall at 36 mm (1.4 in) spread over 11 days. Additionally, March tends to be less humid, with humidity at 34% compared to September's 46%. For more details, check Asmara weather in March.
In comparing the weather of September and April, we see that both months experience mild temperatures, though September tends to be slightly warmer. September has a minimum temperature of 13°C (56°F) and a maximum of 30°C (86°F), leading to an average temperature of 21°C (70°F). In contrast, April's temperatures range from a minimum of 11°C (52°F) to a maximum of 29°C (85°F), with an average of 20°C (69°F).
Precipitation levels also differ: September receives 53 mm (2.1 in) of rain over approximately 7 days, while April sees more rainfall at 70 mm (2.8 in) spread over 19 days. Interestingly, the humidity in September is higher at 46%, compared to April's 38%. For a more detailed look at April's climate, you can visit Asmara weather in April.
In September, the weather is characterized by mild temperatures, with minimums around 13°C (56°F) and maximums reaching 30°C (86°F). The average temperature hovers at 21°C (70°F), complemented by a moderate humidity level of 46%. However, it experiences about 53 mm (2.1 inches) of rainfall spread over 7 days.
Conversely, May boasts slightly warmer conditions, with similar minimum temperatures of 13°C (56°F) but slightly higher maximums peaking at 31°C (88°F). The average temperature is comparable, sitting at 21°C (71°F). Rainfall in May is more pronounced, totaling 63 mm (2.5 inches) over 13 days, and the humidity dips to 38%. For an in-depth look at the weather specifics for May, you can refer to Asmara weather in May.
In comparing the weather of September and June, we see some notable similarities and differences. Both months have a minimum temperature of around 13°C (56°F), but June tends to be slightly warmer overall, with an average temperature of 22°C (73°F) compared to September's 21°C (70°F). Additionally, while June can reach a high of 32°C (90°F), September's maximum is a bit lower at 30°C (86°F). Precipitation is another area of contrast; September receives slightly more rainfall at 53 mm (2.1 in) over 7 days, while June experiences 43 mm (1.7 in) across 9 days. Humidity levels also vary slightly, with September at 46% and June at 41%. For a detailed look at June weather in this region, you can visit Asmara weather in June.
In comparing the weather of September and July, we can observe some notable differences. July tends to be slightly warmer, with minimum temperatures around 15°C (59°F) and maximum temperatures reaching up to 32°C (89°F), while September has lower minimums of 13°C (56°F) and maximums of 30°C (86°F). Interestingly, both months have similar average temperatures of 21°C (70°F). However, July is significantly wetter, receiving 153 mm (6.0 in) of precipitation over 26 days, compared to September's 53 mm (2.1 in) over just 7 days. Humidity levels are relatively similar, with July at 48% and September at 46%. For more detailed insights on July weather, check out Asmara weather in July.
In comparing the weather of September to August, we observe some notable differences. September has a milder temperature range, with a minimum of 13°C and an average of 21°C, similar to August, which has a slightly warmer minimum of 14°C but shares the same maximum temperature of 30°C. However, September sees significantly less precipitation, with only 53 mm over 7 days compared to August's 242 mm over a much wetter 28 days. Additionally, September's humidity is lower at 46%, while August experiences a higher humidity level of 60%. For more details on the weather patterns in August, you can check out Asmara weather in August.
September and October display a gradual transition in weather conditions. In September, the temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F). During this month, there is a total precipitation of 53 mm (2.1 in) over 7 days, accompanied by a humidity level of 46%. In contrast, October's weather sees a slightly cooler average temperature of 19°C (67°F), with a minimum of 12°C (53°F) and a maximum of 29°C (84°F). Precipitation decreases significantly to 28 mm (1.1 in) over 6 days, while humidity increases slightly to 49%. For a more detailed look at what you can expect, check out Asmara weather in October.
In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F). The month experiences around 53 mm (2.1 in) of precipitation over approximately 7 days, and the humidity sits at a comfortable 46%. In contrast, November sees slightly cooler temperatures, with a minimum of 10°C (50°F), an average of 18°C (65°F), and a maximum of 27°C (80°F). This month records 42 mm (1.7 in) of precipitation spread over 12 days, along with an increase in humidity to 57%. For more details, check out Asmara weather in November.
September and December present quite contrasting weather conditions. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F). The month experiences 53 mm (2.1 in) of precipitation over 7 days, along with a relatively lower humidity level of 46%. In contrast, December sees cooler temperatures, with a minimum of 7°C (46°F) and a maximum of 25°C (78°F), averaging 17°C (62°F). Although it receives less rainfall at 32 mm (1.3 in) over 10 days, December has higher humidity levels at 57%. For more details about December weather, you can check Asmara weather in December.
September in Asmara is characterized by moderate temperatures and a noticeable shift in weather compared to the drier months that precede it. With a maximum reaching 30°C and an average around 21°C, this month offers a delightful balance of warmth, making it ideal for outdoor exploration. However, it also brings a bit of respite from the heat, thanks to increased precipitation, totaling 53 mm over about a week. This month stands out with its 46% humidity, providing a refreshing change and signaling the transition into the wetter season. For a deeper dive into the weather patterns of Asmara, explore Asmara Climate.