Last updated: August 27, 2025
In September, Yakutsk experiences a striking transition into autumn, marked by a maximum temperature of 22°C (72°F), an average temperature of 8°C (46°F), and a minimum dip to -4°C (25°F). This month brings an average precipitation of 40 mm (1.6 in) over approximately 7 days, contributing to a notably high humidity level of 86%. The dynamic weather offers a unique glimpse into the rapidly changing climate of this remarkable Siberian city, providing both challenges and beauty as the landscape begins to shift.
September in Yakutsk marks a transitional phase as summer bids farewell and autumn begins to assert its chill. Temperatures start to dip, with lows averaging around -4°C (25°F) and peaking at a mild 22°C (72°F), creating a stark contrast to the searing summertime. The average temperature rests at approximately 8°C (46°F), signaling a shift towards the bitter cold that characterizes the region's long winter months. As the days grow shorter and the air turns crisper, Yakutsk experiences a noticeable decline in warmth, making September a month of both beauty and preparation for the harsh temperatures that lie ahead. This month serves as a poignant reminder of the region's extreme climate, where the tail end of summer can feel almost fleeting.
In September, Yakutsk experiences a notable shift in its weather patterns as precipitation levels remain significant, totaling 40 mm (1.6 in) over 7 days. This marks a continuation of the wet season that began in early summer; however, it is a decrease compared to the previous month’s 53 mm (2.1 in) in August. The late summer months show a trend of increased rainfall, peaking in August, before tapering off into the autumn. As the temperatures begin to drop, the steady precipitation serves to prepare the landscape for the stark winter ahead, with October's forecasted amounts dropping to 25 mm (1.0 in). Overall, September plays a crucial role in the transitional phase between the warm, humid days of summer and the icy grip of winter in this remote Siberian city.
As summer wanes and September arrives in Yakutsk, the city experiences a noticeable uptick in humidity, rising to 86%. This fluctuation marks a return towards the wetter conditions typical of the winter months ahead. The trend shows a steady decline in humidity from the peak of 99% in January to a low of 61% in July, followed by a slight increase in August and a more significant rise in September. This transition paints a picture of an impending shift, as humid conditions start to re-establish themselves before the winter months engulf the region in moisture, with October's humidity soaring back to 95%. The cyclical nature of Yakutsk's climate is evident as the city moves from the moderate warmth of summer into the damp chill of autumn.
As September rolls into Yakutsk, the UV Index steadily retreats to a moderate level of 3, signifying a shift from the intense highs of summer. This slight decrease in UV exposure means a longer burn time of 30 minutes, making it a perfect opportunity to enjoy the outdoors while still practicing sun safety. The transition reflects a broader trend as the days shorten and temperatures cool, following the peak months of June and July with their high UV readings of 6. As autumn approaches, residents can remain mindful of the sun's rays, embracing the vibrant fall scenery while keeping sun protection in mind. For more detailed information, check out Yakutsk UV Index.
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September in Yakutsk marks a transition as the city gradually bids farewell to the long summer days. With 238 hours of sunshine, the month reflects a notable dip from the sunlit peaks of June and July, which basked in 427 and 373 hours, respectively. As summer slips into autumn, the sunlit hours begin to wane, following the upward trajectory seen from January to May. This month stands as a gentle reminder of the brief warmth before the colder months unfurl, as sunshine drops significantly in October to 155 hours and continues its descent into the winter months. Despite the decreasing daylight, September still offers a vibrant canvas of golden light, illuminating the beauty of Yakutsk as it prepares for the harsher seasons ahead.
In September, Yakutsk experiences a notable peak in sunny weather, boasting a 45% chance of sun. This increase follows the summer months, where July reaches its sunny zenith with a 54% chance. As the seasons transition, September offers a delightful mix of warmth and sunlight, making it an appealing time for outdoor activities. However, the likelihood of sun starts to wane as the year progresses, with October plummeting to just 16%. This trend highlights September as a transitional month, capturing the tail end of summer's brightness before the colder, cloudier days of autumn settle in.
In September in Yakutsk, daylight begins to wane as the vibrant summer fades, offering around 12 hours of light. This month marks a transition, where the prolonged brightness of June and July—with nearly 19 and 18 hours of daylight respectively—shifts toward the shorter days of autumn. The gradual decline from the 17 hours of May starts to noticeably alter the landscape, ushering in a canvas painted with the golden hues of fall. As the city prepares to embrace the darker months, this subtle decrease serves as a reminder of the changing seasons, with daylight dipping further to 9 hours by October and ultimately to just 6 hours by January.
In Yakutsk, September marks the transition towards autumn, bringing with it a gentle breeze with an average wind speed of 2.6 m/s (6 mph). This month's wind speed mirrors that of both October and the summer months, suggesting a consistent airflow as the city prepares for the colder months ahead. Throughout the year, wind speeds fluctuate subtly, with the calmest months being January and February at 1.5 m/s (3 mph) and 1.8 m/s (4 mph), while July and August enjoy a slight uplift, reaching up to 2.7 m/s (6 mph). As the cool autumn weather settles in, September's winds continue to offer a refreshing yet mild experience, characteristic of Yakutsk's unique climate. The steady wind speed in September serves as a reminder of the resilience of life in this Siberian hub, where nature’s rhythms dictate the pace of daily life.
Weather in Yakutsk varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yakutsk, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a chilly -4°C (25°F) at night to a pleasant 22°C (72°F) during the day, with an average of 8°C (46°F). The month sees about 40 mm (1.6 in) of precipitation over roughly 7 days, while the humidity hovers around 86%. In contrast, January is significantly colder, with temperatures plummeting to a minimum of -54°C (-65°F) and an average of -37°C (-35°F), peaking at a frigid -16°C (3°F). With only 9 mm (0.3 in) of precipitation on just 1 day and humidity nearing 99%, January’s weather is extreme and vastly different from the milder September climate. For more details, check out Yakutsk weather in January.
The weather comparison between September and February reveals a stark contrast in temperatures and conditions. September features a milder climate with average temperatures around 8°C (46°F), ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F). It also experiences some rain, with about 40 mm (1.6 in) of precipitation over approximately 7 days, accompanied by high humidity at 86%. In contrast, February presents an extremely harsh environment with average temperatures plunging to -32°C (-25°F), ranging from a chilling minimum of -48°C (-54°F) to a maximum of just -11°C (13°F). The month sees significantly less precipitation, only about 8 mm (0.3 in) in just 1 day, and even higher humidity at 97%. For a more detailed look at the conditions in February, you can visit Yakutsk weather in February.
In September, the weather in Yakutsk offers a milder climate, with temperatures ranging from a chilly -4°C (25°F) at night to a pleasant 22°C (72°F) during the day. This month sees approximately 40 mm (1.6 in) of precipitation over about 7 days, and humidity levels hover around 86%. In stark contrast, March experiences much harsher conditions, characterized by extreme cold, with minimum temperatures plummeting to -41°C (-41°F) and average daytime highs reaching only 5°C (40°F). Precipitation is minimal, totaling just 12 mm (0.5 in) over roughly 3 days, while humidity levels rise to 90%. For a more detailed look at March weather in Yakutsk, you can visit Yakutsk weather in March.
When comparing the weather between September and April, significant differences emerge in both temperature and precipitation. September boasts a milder temperature range, with minimums around -4°C (25°F) and maximums reaching 22°C (72°F), leading to an average of 8°C (46°F). In contrast, April experiences much colder temperatures, with a minimum of -29°C (-20°F) and a maximum of only 13°C (56°F), resulting in an average temperature of -3°C (26°F). Precipitation levels are higher in September at 40 mm (1.6 in) over 7 days, while April sees only 20 mm (0.8 in) with precipitation on 5 days. Additionally, September's humidity is slightly higher at 86% compared to April's 80%. For more detailed information on April weather, you can check Yakutsk weather in April.
In September, temperatures in Yakutsk range from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), with an average of 8°C (46°F). The month experiences mild precipitation, totaling 40 mm (1.6 in) over approximately 7 days, alongside relatively high humidity at 86%. In contrast, May presents slightly cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 29°C (85°F), while maintaining a similar average temperature of 8°C (47°F). Precipitation in May is lower, at 24 mm (1.0 in) over about 6 days, with humidity levels dropping to 71%. For a detailed look at May's weather, visit Yakutsk weather in May.
In September, the weather is notably cooler with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), making the average temperature a brisk 8°C (46°F). The month sees about 40 mm (1.6 in) of precipitation over approximately 7 days, along with a high humidity level of 86%. In contrast, June boasts much warmer temperatures, with minima at 0°C (32°F) and maxima reaching 34°C (94°F), resulting in a pleasant average of 18°C (65°F). Rainfall is less frequent in June, with only 20 mm (0.8 in) of precipitation across 4 days and humidity at a lower 70%. For more details on June weather, you can visit Yakutsk weather in June.
In September, the weather is notably cooler than in July, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), and an average of 8°C (46°F). The month sees the same amount of precipitation—40 mm (1.6 in)—but with higher humidity at 86%, indicating a damper feel. In contrast, July boasts warmer temperatures with a minimum of 5°C (41°F) and a maximum of 35°C (95°F), averaging around 20°C (69°F). Despite having the same precipitation over 7 days, July's lower humidity of 61% contributes to a more comfortable summer climate. For more details, check out Yakutsk weather in July.
September's weather in Yakutsk displays a significant shift from August, characterized by cooler temperatures and increased humidity. While August boasts an average temperature of 16°C (61°F) with peaks reaching 32°C (89°F), September’s averages drop to 8°C (46°F), with a maximum of only 22°C (72°F) and a minimum plunging to -4°C (25°F). Additionally, September sees slightly less precipitation at 40 mm (1.6 in) over 7 days, compared to August’s 53 mm (2.1 in) over 9 days. This transition underscores the onset of autumn, as September's humidity lingers at a higher level of 86%, creating a distinctly different atmosphere from the warmer and drier August. For more detailed information, you can check Yakutsk weather in August.
September in Yakutsk offers a mild transition from summer to autumn, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F) and an average of 8°C (46°F). The month experiences about 40 mm (1.6 in) of precipitation over 7 days, accompanied by relatively high humidity at 86%. In contrast, October marks a significant drop in temperatures, with a minimum of -27°C (-16°F) and a maximum of 11°C (51°F), leading to an average temperature of -4°C (25°F). Precipitation decreases slightly to 25 mm (1.0 in) over 8 days, but humidity rises to 95%, making the air feel even more frigid. For a detailed look at what to expect, check out Yakutsk weather in October.
In September, the weather is relatively mild, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F). This month experiences an average temperature of 8°C (46°F), accompanied by 40 mm (1.6 in) of precipitation over about 7 days and humidity at a high 86%. In contrast, November brings a stark drop in temperature, with min temperatures plunging to -43°C (-44°F) and max temperatures only reaching -2°C (28°F), leading to an average of -23°C (-10°F). Precipitation decreases to 16 mm (0.6 in) spread over just 4 days, while humidity even exceeds 100%. For a more comprehensive look at the chilling weather patterns, check out Yakutsk weather in November.
In September, the weather typically ranges from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), creating a mild average temperature of around 8°C (46°F). With a precipitation level of 40 mm (1.6 in) spread over 7 days, the month experiences relatively high humidity at 86%. In stark contrast, December plunges into severe cold, with temperatures dropping to a chilling minimum of -50°C (-59°F) and averaging -38°C (-36°F). The maximum temperature in December reaches just -12°C (11°F), and the month sees only 9 mm (0.4 in) of precipitation across 2 days, accompanied by a humidity level of 100%. For more specifics, you can check the Yakutsk weather in December.
September in Yakutsk marks a notable transition as summer fades and autumn sets in. The month experiences a refreshing change with mild temperatures giving way to cooler days, deviating sharply from the warmth of summer. While the average temperature hovers around a brisk 8°C, the maximum can reach a pleasant 22°C, providing brief moments of warmth before the winter chill begins to creep in. Additionally, September brings increased humidity and a few rainy days, contrasting with the generally dry conditions of the preceding months. As you prepare for the upcoming autumn, let this month’s weather guide your plans and wardrobe. For more details on how September fits into the broader patterns of Yakutsk's climate, be sure to explore Yakutsk Climate.