Last updated: August 21, 2025
In September, Keren, Eritrea experiences a typical transition towards the wet season, characterized by a maximum temperature of 31°C (89°F) and an average of 21°C (71°F). The minimum temperature can drop to a chilly 14°C (57°F), providing a pleasant respite from the day’s heat. Throughout the month, Keren sees approximately 135 mm (5.3 in) of rain, spread over 19 days, which contributes to a moderate humidity level of 46%. This blend of warm days and refreshing showers makes September a vibrant time in this highland region.
In September, Keren, Eritrea, experiences a gentle transition in its temperatures as summer gives way to autumn. The minimum temperature settles around 14°C (57°F), providing a mild start to the month, while average temperatures hover at a comfortable 21°C (71°F). This reflects a subtle warmth compared to the cooler months of July and August. Daytime highs reach up to 31°C (89°F), ensuring that the sun still provides a pleasant warmth, albeit slightly less intense than the peak summer months. Overall, September's climate is characterized by a delightful blend of warmth and mildness, making it an inviting time for both locals and visitors alike.
In September, Keren, Eritrea experiences a significant drop in precipitation compared to August, yet it remains substantial at 135 mm (5.3 in), falling mostly over 19 days. This month marks the tail end of the rainy season, characterized by a gradual easing of downpours that peak in August with 204 mm (8.1 in). Notably, September's rainfall is crucial for replenishing local water sources and supporting agriculture, in line with the trends observed from June to August when precipitation is consistently higher. As the year progresses, rainfall diminishes sharply in October and beyond, highlighting September as a pivotal month in Keren's climatic cycle, blending the remnants of summer monsoons with the impending dry season.
In Keren, Eritrea, the trend in humidity reveals a dynamic shift throughout the year, with September standing out with a humidity level of 46%. As the months progress from the aridness of March, with its low of 34%, humidity begins to rise, peaking in August at 60%. This creates a significant leap as the monsoon season begins to mellow out, leading to a slight drop in September, yet still higher than the earlier spring months. Following September, humidity levels gradually climb again into the winter months, where it stabilizes around 57%. Overall, September acts as a transition point, embodying the gradual shift from the peak humidity of late summer to the relatively comfortable, albeit damp, fall season.
In September, Keren, Eritrea, continues to experience a high UV Index of 12, categorized as extreme, indicating that just 10 minutes of sun exposure can lead to skin burn. This persistent intensity marks a trend seen throughout the year, with the UV Index consistently high from January to August and remaining stable in both September and October. As the seasons transition, careful sun protection remains crucial for residents and visitors alike. For more detailed information on UV levels throughout the year, explore Keren UV Index.
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In Keren, Eritrea, September welcomes an impressive 322 hours of sunshine, continuing the trend of abundant daylight that characterizes the region. Following a peak in March at 352 hours, the sunlit hours begin to gracefully taper off in the following months, though September maintains a solid position among the sunnier months. This steady light serves as a vibrant backdrop to the transition from the height of summer into early autumn, ensuring that the warmth of the lingering sun enhances both the landscape and the daily lives of its inhabitants. As the days grow shorter, the overall pattern shows a resilience in sunshine hours that keeps the spirit of the sun alive well into the fall.
In Keren, Eritrea, September marks a transitional phase for sunny weather, contributing a 57% likelihood of sunshine. This places it in the middle of the spectrum, notably higher than the 34% chance seen in July, but lower than the sun-drenched months of March and April, which boast probabilities of 84% and 72%, respectively. Following the relatively cool and overcast summer months, September nuances the shift towards a sunnier October, which enjoys a 73% chance of clear skies. As the month progresses, the days may grow brighter, hinting at the vibrant sunny days that lie ahead in the autumn months.
In Keren, Eritrea, the month of September showcases a consistent pattern in daylight duration, maintaining 12 hours of sunlight. This stable span reflects a broader trend as the year transitions, with daylight peaking at 13 hours in June before gradually diminishing as autumn approaches. From January through April, the daylight hours start at a modest 11 hours, gradually increasing, reaching a seasonal peak in the summer months. As the year progresses towards winter, daylight retreats to 11 hours again by October, illustrating a rhythmic cycle shaped by the region's climatic shifts. This predictable pattern allows residents and visitors alike to plan their activities around the reliable and welcoming embrace of the sun.
As the calendar turns to September in Keren, Eritrea, the wind begins to whisper a softer tune, with an average speed of just 1.5 m/s (3 mph), the calmest of the year. This gentle breeze contrasts sharply with the robust gusts of earlier months; in fact, July and August experience noticeably stronger winds, reaching up to 2.5 m/s (6 mph) and 1.9 m/s (4 mph), respectively. The gradual decline in wind speed from June's 2.0 m/s to September's lull signals a transitional phase, as the region prepares for the shift into the more breezy autumn months. This subtle change, characterized by tranquility in the air, adds a unique charm to Keren's landscapes as summer gently fades away.
Weather in Keren varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Keren, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather typically features a wider temperature range, with minimums around 14°C (57°F) and maximums reaching up to 31°C (89°F), providing an average of 21°C (71°F). This month also experiences significant rainfall, with 135 mm (5.3 in) over 19 days, resulting in a humidity level of 46%. In contrast, January presents milder conditions, showcasing a minimum temperature of 8°C (46°F) and a maximum of 32°C (90°F), while maintaining an average of 20°C (67°F). Notably, January is characterized by dry weather, receiving only 1 mm of precipitation across 0 days and a slightly higher humidity level of 51%. For more details on January conditions, check out Keren weather in January.
September and February present contrasting weather conditions despite having similar average temperatures. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 31°C (89°F), accompanied by significant rainfall of 135 mm (5.3 in) over 19 days, making it a notably humid month with a humidity level of 46%. In contrast, February offers slightly cooler mornings with a minimum temperature of 10°C (49°F), but it can reach up to 33°C (91°F) during the day, all while remaining extremely dry, with only 2 mm (0.1 in) of precipitation and no rain days. The humidity remains relatively stable at 47%, making February feel more comfortable and less oppressive than September. For more specific weather details in February, you can check the link: Keren weather in February.
In comparing the weather of September and March, September tends to be warmer with average temperatures ranging from 14°C (57°F) to 31°C (89°F), while March offers slightly cooler conditions, with temperatures from 11°C (52°F) to a maximum of 35°C (95°F). Notably, September is characterized by significant rainfall, totaling 135 mm (5.3 in) over 19 days, resulting in a higher humidity level of 46%. In contrast, March is remarkably dry, receiving just 3 mm (0.1 in) of precipitation without any rainy days, accompanied by a lower humidity of 34%. For a more detailed overview of weather conditions in March, you can refer to Keren weather in March.
When comparing the weather in September and April, distinct differences emerge. September boasts a wider temperature range with minimums around 14°C (57°F) and maximums reaching up to 31°C (89°F). The month is marked by significant rainfall, totaling 135 mm (5.3 in) over approximately 19 days, contributing to a humidity level of 46%. In contrast, April features a slightly cooler minimum of 13°C (56°F) and a much warmer average of 24°C (76°F), with peak temperatures soaring to 35°C (94°F). Additionally, precipitation is minimal in April, amounting to only 14 mm (0.6 in) over about 6 days, resulting in a lower humidity level of 38%. For more details, check out Keren weather in April.
September and May showcase distinct weather patterns, reflecting the transition into and out of summer. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 31°C (89°F), with an average of 21°C (71°F). This month experiences significant rainfall, totaling 135 mm (5.3 in) over approximately 19 days, coupled with a humidity level of 46%. In contrast, May brings warmer conditions, with temperatures varying from a minimum of 14°C (58°F) to a maximum of 36°C (96°F), showcasing an average of 25°C (77°F). The precipitation in May is much lower at 30 mm (1.2 in), occurring over just 7 days, and the humidity is slightly lower at 38%. For a detailed look at the weather in May, you can refer to Keren weather in May.
In comparing the weather between September and June, we see distinct differences in temperature and precipitation. September features a more moderate temperature range, with averages around 21°C (71°F) and maximums reaching 31°C (89°F), while June is noticeably warmer, with average temperatures of 24°C (76°F) and highs soaring up to 36°C (96°F). Additionally, September experiences significantly more rainfall, totaling 135 mm (5.3 in) over 19 days, compared to June's 55 mm (2.2 in) over just 13 days. Humidity levels also vary slightly, with September having a higher level at 46% compared to June's 41%. For more details on the weather in June, refer to Keren weather in June.
When comparing the weather in September and July, both months exhibit warm temperatures with similar maximums peaking at 31°C (89°F). However, September tends to be slightly cooler with a minimum temperature of 14°C (57°F) compared to July's 16°C (60°F) and maintains an average temperature of 21°C (71°F) for both months. Notably, September experiences significantly higher precipitation at 135 mm (5.3 in) over 19 days, while July has a milder 76 mm (3.0 in) over 17 days. Humidity levels also vary slightly, with September at 46% and July at 48%. For more detailed insights into July weather, you can refer to Keren weather in July.
In comparing the weather of September to August, we see a slight decrease in the minimum and average temperatures, with September having a minimum of 14°C (57°F) and an average of 21°C (71°F), compared to August’s minimum of 15°C (60°F) and average of 20°C (68°F). The maximum temperature in September reaches 31°C (89°F), which is slightly higher than August's maximum of 29°C (85°F). Interestingly, September experiences less precipitation, totaling 135 mm (5.3 in) over 19 days, while August sees significantly more rain at 204 mm (8.1 in) across 28 days. The humidity also drops from 60% in August to 46% in September, suggesting a drier feeling as summer transitions into autumn. For a closer look at the August weather specifics, visit Keren weather in August.
September and October exhibit some notable differences in weather patterns. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 31°C (89°F), with an average of 21°C (71°F). This month experiences significant rainfall, totaling 135 mm (5.3 in) over 19 days, contributing to a lower humidity level of 46%. In contrast, October presents slightly cooler minimum temperatures at 12°C (54°F) but maintains a similar maximum of 31°C (87°F) and average of 22°C (71°F). The precipitation drops dramatically to just 5 mm (0.2 in) across only 1 day, resulting in a marginal increase in humidity to 49%. For more detailed insights, check out Keren weather in October.
In September, the weather is warmer with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 31°C (89°F) and an average of 21°C (71°F). This month also experiences significant rainfall, with a total precipitation of 135 mm (5.3 in) spread over 19 days, resulting in a relatively low humidity of 46%. In contrast, November brings cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 30°C (87°F), maintaining the same average of 21°C (70°F). Notably, November is much drier, receiving only 4 mm (0.2 in) of rain on just 1 day, while the humidity increases to 57%. For more detailed insights about November weather, you can check Keren weather in November.
In comparing the weather between September and December, we notice a distinct transition in conditions. September experiences a warmer climate with average temperatures around 21°C (71°F), reaching highs of 31°C (89°F), and is characterized by relatively high precipitation at 135 mm (5.3 in) over 19 days. Conversely, December sees cooler minimum temperatures averaging 10°C (51°F) while maintaining a similar maximum of 31°C (87°F) and a significantly drier environment, with only 2 mm (0.1 in) of precipitation over zero rainy days. Additionally, December's humidity is higher at 57%, compared to September's 46%, giving the month a different feel. For more details on December weather, you can check Keren weather in December.
September in Keren marks a transition from the intense heat of summer to more moderate conditions, making it a unique month in the region's climate. With temperatures averaging a comfortable 21°C and maximums reaching 31°C, the warmth is tempered by increased humidity levels at 46%. However, this month is also characterized by significant rainfall, with 135 mm falling over 19 days, making it one of the wetter periods in the year. This combination of milder temperatures and frequent showers creates a refreshing atmosphere that stands in stark contrast to the dryer, hotter months preceding it. For a deeper understanding of this month’s climate dynamics, explore more at Keren Climate.