Last updated: August 27, 2025
September in Derbent, Russian Federation showcases a delightful transition from summer to autumn, with temperatures ranging from a maximum of 30°C (87°F) to a refreshing minimum of 9°C (48°F). The average temperature sits comfortably at 20°C (69°F), inviting outdoor activities amidst the picturesque landscapes. With 36 mm (1.4 in) of precipitation spread over 6 days, the month brings a moderate amount of rainfall, contributing to the region's lush greenery. Relatively high humidity levels at 73% add a subtle warmth to the air, making September an enchanting time to explore this historical gem by the sea.
As September arrives in Derbent, the temperatures start to show signs of a gentle transition from the sweltering summer heat. With minimums reaching 9°C (48°F) and averages settling around 20°C (69°F), the city enjoys a comfortable warmth that encourages outdoor exploration. The maximum temperatures can soar to 30°C (87°F), reminiscent of August, but the overall climate begins to mellow, making it a perfect time for leisurely strolls along the coastline or visiting historical sites. This month acts as a bridge, softening the summer's intensity while hinting at the cooler days ahead, as evidenced by the notable drop in averages compared to the preceding months. This delightful balance of warmth and emerging autumnal coolness makes September a favorable time to experience all that Derbent has to offer.
In September, Derbent experiences a noteworthy uptick in precipitation, with 36 mm (1.4 in) recorded over 6 days. This marks an increase from the drier summer months, where June saw only 11 mm and August brought 20 mm. The month transitions the region into a wetter fall season, bridging the gap before October's more substantial 42 mm (1.7 in). This pattern illustrates a gradual increase in rainfall as the year progresses, hinting at the lush beauty that is soon to envelope the landscape as the city prepares for the more significant downpours of late autumn.
As summer transitions into autumn, September in Derbent, Russian Federation, sees an average humidity of 73%, marking a noticeable increase from the drier month of August, which recorded only 64%. This rise suggests the approach of the wetter months ahead, particularly as humidity levels climb sharply in October and November, reaching 84% and 85% respectively. Interestingly, while the early part of the year typically experiences higher humidity, often hovering around the 80% mark, September offers a brief reprieve with its moderate levels, paving the way for the more humid autumn days that follow. Overall, this trend showcases Derbent's dynamic climate, where seasonal shifts not only affect temperature but also significantly impact humidity, creating a vibrant and ever-changing atmospheric landscape.
In September, Derbent experiences a UV Index of 8, categorizing it as very high, with a burn time of just 15 minutes. This marks a slight decrease from the peak summer months of July and June, which both saw the maximum index of 10, but still emphasizes the importance of sun protection as the days transition into fall. Overall, from January to September, there is a clear trend of increasing UV exposure, peaking in late summer before starting to decline in October. As such, it’s crucial for residents and visitors alike to remain vigilant about sun safety during this time. For more detailed information, check Derbent UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Derbent welcomes an impressive 314 hours of sunshine, marking a delightful continuation of the sun-soaked months that peak in July with 403 hours. The gradual decline in sunlight hours from the dazzling highs of summer signals a shift toward the crisper days of fall, yet September still holds onto a generous share of daylight. This month showcases a vibrant ambiance, with lingering warmth that invites both locals and visitors to relish outdoor activities. As the leaves start to paint the landscape in stunning hues, September's golden rays offer a perfect backdrop for enjoying the rich cultural tapestry of this historic city.
In Derbent, the likelihood of sunny weather shows a distinctive pattern as the year progresses. Starting with chilly January at just 31%, the chances gradually rise through spring, peaking in the balmy summer months of June and July, where sunny days are expected about 64% and 63% of the time, respectively. August maintains this warmth with a robust 73% likelihood of sunshine, before dipping to 43% in September. While this marks a decrease, it still represents a fair probability of enjoying sunny weather as summer transitions to autumn. As the year draws to a close, the likelihood fluctuates again, falling back to 41% in October and 30% in December, reminding us of the shift from the bright days of summer to the cooler, cloudier months ahead.
As summer gently yields to autumn in Derbent, Russian Federation, September brings a subtle transition in daylight, offering about 12 hours of sunlight each day. This marks a gradual decline from the vibrant 15 hours of daylight seen in June, reflecting the shift towards shorter days as fall approaches. Following the peak of summer, September maintains a sense of warmth and brightness but starts to signal the impending changes of the season, contrasting strikingly with the dwindling hours of daylight in the colder months of November and December, which see only 9 hours. This rhythmic ebb and flow of daylight throughout the year not only shapes the natural landscape but also influences the daily lives of the residents, inviting them to savor the last glimpses of summer before embracing the softer light of autumn.
As September unfolds in Derbent, the wind begins to pick up, with an average speed of 2.3 m/s (5 mph), marking a slight increase compared to the previous months. This gentle breeze is part of a broader trend observed throughout the year—winds remain relatively mild, with most months maintaining an average speed around 2.0 to 2.3 m/s. Notably, September stands out as a transitional period where the wind's consistency prepares the region for the upcoming cooler months. As autumn approaches, the gradual uptick in wind speed reflects a subtle shift in the seasonal atmosphere, inviting residents and visitors alike to relish the crisp air and scenic beauty of Derbent.
Weather in Derbent varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Derbent, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather patterns. In September, temperatures range from a mild minimum of 9°C (48°F) to a warm maximum of 30°C (87°F), with an average of 20°C (69°F). The month also sees moderate precipitation of 36 mm (1.4 in) over about 6 days, combined with a humidity level of 73%. In stark contrast, January exhibits much cooler conditions, with temperatures dipping to a minimum of -8°C (18°F) and peaking at 18°C (64°F). The average temperature sits at just 3°C (38°F), and while precipitation is slightly lower at 24 mm (1.0 in), it occurs over 7 days, coupled with a higher humidity of 79%. These differences highlight the dramatic seasonal shifts experienced in this region. For more details on January weather, you can visit Derbent weather in January.
September and February present stark contrasts in weather characteristics. In September, temperatures range from a mild 9°C (48°F) to a warm max of 30°C (87°F), with an average of 20°C (69°F). The month experiences relatively low precipitation of 36 mm (1.4 in) over 6 days, accompanied by a humidity level of 73%. In contrast, February offers a much colder climate, with temperatures dipping as low as -11°C (12°F) and averaging just 3°C (38°F), peaking at 16°C (62°F). Precipitation remains similar at 31 mm (1.2 in) for 7 days, while humidity rises to 83%. For more details on February weather, visit Derbent weather in February.
When comparing the weather in September and March, notable differences emerge. September boasts milder temperatures, with averages around 20°C (69°F) and maximums reaching up to 30°C (87°F), making it feel quite warm. In contrast, March presents a chilly atmosphere, with average temperatures only around 5°C (42°F), dipping as low as -7°C (20°F). Additionally, while September experiences less precipitation at 36 mm over 6 days, March is slightly wetter with 43 mm over 8 days. Humidity levels also differ, with March being more humid at 83% compared to September's 73%. For more detailed insights on March weather, you can check Derbent weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and overall climate conditions. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (87°F), with an average of 20°C (69°F), creating a warm and pleasant atmosphere as summer transitions into autumn. Conversely, April experiences cooler conditions, with temperatures stretching from a chilly 0°C (32°F) to a maximum of 23°C (74°F) and an average of just 10°C (51°F). Both months receive similar amounts of precipitation, with September slightly wetter at 36 mm (1.4 in) compared to April's 30 mm (1.2 in), each experiencing rainfall over six days. The humidity levels are relatively high in both months, at 73% for September and 76% for April, adding to the overall feeling of dampness. For more detailed insights into April weather, consider exploring Derbent weather in April.
In comparing the weather of September and May, September tends to be warmer with average temperatures reaching 20°C (69°F), while May's average is cooler at 16°C (62°F). Both months experience similar maximum temperatures of around 30°C (86-87°F), but September has a slightly higher minimum temperature of 9°C (48°F) compared to May's 6°C (43°F). Precipitation levels are relatively close, with September receiving 36 mm (1.4 in) and May slightly less at 31 mm (1.2 in), both spread over about 6 days. Interestingly, humidity is higher in May at 77%, compared to September's 73%. For more specific details on May weather in Derbent, check out Derbent weather in May.
In comparing the weather of September and June, we observe notable differences in temperature and precipitation patterns. September features a minimum temperature of 9°C (48°F) and reaches an average of 20°C (69°F), peaking at 30°C (87°F). The month experiences more rainfall, totaling 36 mm (1.4 in) over about 6 days, coupled with a humidity level of 73%. In contrast, June starts with a slightly higher minimum temperature of 12°C (53°F) and averages around 22°C (73°F), with a maximum of 33°C (92°F). This month boasts significantly less rainfall, with only 11 mm (0.4 in) falling over just 2 days, and a higher humidity level at 79%. For more insights, you can check Derbent weather in June.
Comparing the weather in September and July reveals significant differences in both temperature and precipitation. September experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 20°C (69°F), compared to July's warmer minimum of 15°C (60°F) and an average of 25°C (78°F). Although both months see some rain, September has slightly more precipitation at 36 mm (1.4 in) over 6 days, while July has 31 mm (1.2 in) of rain spread across just 4 days. Humidity levels are quite similar, with September at 73% and July at 71%. For more detailed information on the July weather, you can visit Derbent weather in July.
In comparing the weather of September and August, September reveals a notable drop in average temperatures, with minimums at 9°C (48°F) and maximums reaching 30°C (87°F), compared to August's milder range of 14°C (57°F) to a high of 36°C (97°F). Precipitation levels also rise slightly in September, totaling 36 mm (1.4 in) over 6 days, while August experiences less rainfall at 20 mm (0.8 in) spread across just 3 days. Additionally, September's humidity is higher at 73%, in contrast to August's more comfortable 64%. For a closer look at August weather specifics, visit Derbent weather in August.
In comparing the weather of September and October, it's evident that October brings a noticeable drop in temperatures, with daily averages falling from 20°C (69°F) in September to just 15°C (58°F). While September enjoys a maximum temperature of 30°C (87°F), October peaks at 27°C (81°F), showcasing a gentle transition into cooler days. Additionally, October sees an increase in humidity, rising from 73% to 84%, contributing to a more pronounced chill in the air. Both months experience similar precipitation levels, with October receiving slightly more rain at 42 mm (1.7 in) compared to September's 36 mm (1.4 in), over the same number of rainy days. For more detailed insights, you can check out Derbent weather in October.
September and November weather differ significantly, reflecting the transition from late summer to late autumn. In September, temperatures range from a comfortable minimum of 9°C (48°F) to a warm average of 20°C (69°F), with peaks reaching up to 30°C (87°F). Precipitation is relatively low at 36 mm (1.4 in) over about 6 days, and humidity sits at a moderate 73%. In stark contrast, November sees much cooler temperatures, with a minimum of -4°C (25°F), an average of 8°C (47°F), and a maximum of 18°C (65°F). The month receives more rainfall, totaling 63 mm (2.5 in) spread over approximately 10 days, along with an increase in humidity to 85%. For more detailed information, you can check Derbent weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a comfortable minimum of 9°C (48°F) to a warm maximum of 30°C (87°F), with an average of 20°C (69°F). The month sees relatively low precipitation at 36 mm (1.4 in) over just 6 days, accompanied by a humidity level of 73%. In stark contrast, December brings colder temperatures, with a minimum dropping to -4°C (25°F) and an average of only 5°C (42°F), peaking at 20°C (68°F). Precipitation slightly increases to 44 mm (1.7 in) over 9 days, and humidity rises to 80%. For a deeper understanding of what to expect in December, check out Derbent weather in December.
As summer transitions into autumn, September in Derbent offers a delightful blend of warmth and coolness that sets it apart from the sweltering months preceding it. With an average temperature around 20°C (69°F), the days become more pleasant, inviting outdoor exploration amidst the backdrop of historical sites. While rainfall is modest at 36 mm, its occurrence on six days provides refreshing breaks from the lingering heat. The moderate humidity of 73% can make afternoons feel slightly muggy, yet the cooler evenings, where temperatures dip to around 9°C (48°F), offer a welcome reprieve. For those intrigued by the specifics of Derbent's climate, further details can be found at Derbent Climate.