Last updated: August 27, 2025
In September, Sergiyev Posad experiences a varied climate, with temperatures ranging from a maximum of 28°C (83°F) to a minimum of -1°C (31°F), creating a dynamic seasonal transition. The average temperature hovers around 12°C (54°F), offering a refreshing coolness. This month sees 62 mm (2.4 in) of rainfall spread over approximately 10 days, contributing to the region's lush landscapes. With humidity levels reaching a notable 90%, September in Sergiyev Posad presents a blend of crisp air and moisture, making it an intriguing time for visitors and locals alike.
September in Sergiyev Posad marks a distinct transition as summer gracefully yields to autumn. With temperatures ranging from a chilly -1°C (31°F) at night to a pleasant 28°C (83°F) during the day, this month showcases a remarkable shift in climate. The average temperature stabilizes around 12°C (54°F), providing a refreshing warmth while hinting at the approaching cold. This fluctuation creates a beautiful backdrop for the vibrant autumn foliage, making September an ideal time to explore the rich cultural heritage of the region. As the month progresses, residents and visitors alike begin to feel the crispness in the air, signaling that winter is just around the corner, yet the lingering warmth offers a final embrace of summer's charm.
September in Sergiyev Posad sees a moderate precipitation amount of 62 mm (2.4 in), continuing the trend of a wet summer as the region transitions into autumn. With rainfall occurring over 10 days, the frequency of precipitation remains steady, mirroring the pattern established in August. This month marks a subtle shift from the more intense July, which recorded the highest rainfall at 96 mm (3.8 in), suggesting a gradual easing of the summer deluge. As the year progresses towards colder months, the precipitation levels stay relatively consistent, indicating a stable climate as the landscape prepares for the winter season ahead.
In Sergiyev Posad, the transition into September brings a notable increase in humidity, reaching 90%, following the warmer summer months. This spike signifies a return to the higher humidity levels characteristic of the early fall, as the region gradually shifts from the summer's peak of 84% in August. Observing the yearly trend, humidity levels tend to rise steadily from the low of 74% in May, culminating in a gradual decrease as winter approaches. As the year progresses, September stands out as a marker where the crispness of autumn begins to blend with the lingering warmth of summer, reminding residents that the changing seasons bring both beauty and moisture to the landscape.
As the seasons transition, September in Sergiyev Posad sees a UV Index of 5, reflecting a moderate exposure category with a burn time of approximately 30 minutes. This month marks a slight decline from the peak summer months, where the UV Index reached a high of 7 in both June and July. However, September still requires sun safety precautions, as the levels remain significant enough to cause skin damage with prolonged exposure. Comparing it to earlier months, such as May and August when the UV Index was also high, September offers a reprieve yet urges residents and visitors to remain vigilant. For more detailed information on UV Index trends throughout the year, visit Sergiyev Posad UV Index.
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As summer gracefully transitions into autumn, September in Sergiyev Posad offers a delightful mix of warmth and color, with approximately 291 hours of sunshine illuminating the scenic landscapes. This month marks a significant shift from the sun-drenched days of July and August, where sunlight peaked at 428 and 397 hours, respectively. The gradual decline in sunshine hours from the vibrant summer months signals the onset of fall, yet September still holds onto a generous amount of light compared to the dreariness of the upcoming winter months like January, which barely sees 44 hours. With the comforting glow of the sun lingering a bit longer, September invites both locals and visitors to bask in its golden rays before the days shorten dramatically.
As summer fades into fall, the likelihood of sunny weather in Sergiyev Posad in September dips to 21%, reflecting a notable decrease from the robust sunshine of the previous months. This shift marks a return to more overcast and rainy conditions, typical of early autumn. While June and July boast a promising 58% chance of sun, September’s forecast suggests that the region is inching back toward the duller days of winter. As the season transitions, residents and visitors alike can expect a mix of fleeting sunny afternoons interspersed with the growing chill, reminiscent of the changing leaves and shorter days ahead.
As summer wanes into autumn, September in Sergiyev Posad ushers in a notable shift in daylight, offering approximately 12 hours of sunlight. This marks a gentle decline from the sun-drenched summer months, where daylight stretches to a peak of 17 hours in June. The length of the day in September is still generous compared to the darker winter months, providing a vibrant transition filled with the hues of early autumn foliage. Following the radiant warmth of May and June, the gradual decrease in daylight continues into October, emphasizing the shifting seasons and inviting a sense of reflection as nature prepares for the colder months ahead.
As September arrives in Sergiyev Posad, the wind begins to pick up, averaging 3.9 m/s (9 mph)—a refreshing increase compared to the summer months, where calmer breezes lingered around 2.4 to 2.9 m/s (5 to 6 mph). This shift marks a transition towards the more dynamic autumn season, with winds gaining strength as the year progresses. The average wind speed continues to rise in October, settling at 3.6 m/s (8 mph), before making a notable leap in November, where it peaks at 4.6 m/s (10 mph). Consequently, September not only heralds the start of fall but also serves as a precursor to the invigorating gusts that characterize the upcoming months.
Weather in Sergiyev Posad varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sergiyev Posad, 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 -1°C (31°F) at night to a warm 28°C (83°F) during the day, with an average of 12°C (54°F). The month sees about 62 mm (2.4 in) of precipitation over 10 days, with humidity levels at 90%. In contrast, January is characterized by much colder weather, where temperatures can plummet to a minimum of -32°C (-26°F) and hover around an average of -6°C (21°F), with a maximum of only 4°C (40°F). Although January experiences slightly less precipitation at 44 mm (1.7 in) over 13 days, the humidity is higher at 98%, making the conditions feel even more frigid. For more details on January's weather in this region, visit Sergiyev Posad weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 28°C (83°F), with an average of 12°C (54°F). The month receives about 62 mm (2.4 in) of precipitation over 10 days, and humidity hovers around 90%. Conversely, February is much colder, with temperatures plummeting to a minimum of -28°C (-18°F) and an average of -6°C (22°F), reaching a maximum of only 6°C (42°F). It experiences slightly less precipitation at 50 mm (2.0 in) over 11 days, with humidity peaking at 96%. For a detailed look at February weather, visit Sergiyev Posad weather in February.
Comparing the weather in September and March reveals significant differences in temperature and overall climate conditions. In September, temperatures range from a chilly -1°C (31°F) at night to a warm 28°C (83°F) during the day, with an average of 12°C (54°F). The month sees moderate precipitation of 62 mm (2.4 in) over about 10 days, accompanied by high humidity at 90%. In contrast, March experiences much colder temperatures, with lows plummeting to -25°C (-12°F) and a daytime high of just 17°C (63°F), averaging around -1°C (30°F). This month features less precipitation, totaling 42 mm (1.7 in) across the same number of rainy days, while humidity remains high at 92%. For a more detailed look at March weather conditions, you can refer to Sergiyev Posad weather in March.
When comparing the weather in September and April, September generally feels warmer, with average temperatures around 12°C (54°F) compared to April's cooler average of 5°C (42°F). While September can reach maximum temperatures of 28°C (83°F), April's highs only go up to 23°C (73°F). Both months experience similar levels of precipitation, with September receiving about 62 mm over 10 days and April slightly less at 61 mm over 12 days. Additionally, humidity is slightly higher in September at 90%, compared to 86% in April. For more detailed insights into April’s weather, you can check out Sergiyev Posad weather in April.
September and May present distinct weather patterns despite their similar average temperatures. In September, the temperatures range from a chilly min of -1°C to a warm max of 28°C, with an average temperature of 12°C. The month typically experiences about 62 mm of precipitation over approximately 10 days, alongside a high humidity level of 90%, creating a damp feel. In contrast, May is slightly cooler, with temperatures ranging from a minimum of -3°C to a maximum of 31°C, and an average of 12°C. The precipitation in May is a bit higher at 73 mm, spread over 12 days, but the humidity is noticeably lower at 74%, resulting in a less oppressive atmosphere. For more details on the weather during this month, visit Sergiyev Posad weather in May.
In comparing the weather of September and June, we can observe notable differences. September sees a minimum temperature of -1°C (31°F), while June starts slightly warmer at a minimum of 2°C (36°F). The average temperature in September is around 12°C (54°F), significantly cooler than June's average of 17°C (62°F). The maximum temperature in September reaches 28°C (83°F), which is still lower than June’s high of 34°C (93°F). Precipitation levels are relatively close, with September receiving 62 mm (2.4 in) over 10 days, while June has 67 mm (2.7 in) over 11 days. Additionally, September tends to be more humid, with a humidity level of 90% compared to June's 78%. For more detailed weather patterns, you can check Sergiyev Posad weather in June.
The weather in September is characterized by a broader temperature range, with minimums dipping to -1°C (31°F) and maximums reaching 28°C (83°F), resulting in an average temperature of 12°C (54°F). In contrast, July tends to be warmer with minimum temperatures of 7°C (44°F), averaging 18°C (65°F), and maximums climbing to 32°C (90°F). July also experiences more frequent rainfall, with precipitation of 96 mm (3.8 in) across 17 days compared to September's 62 mm (2.4 in) over just 10 days. Additionally, September sees higher humidity levels at 90%, compared to July's 82%, contributing to a more oppressive atmosphere as summer transitions into autumn. For more detailed insights into July weather, you can visit Sergiyev Posad weather in July.
In comparing the weather of September and August, it's clear that September experiences a wider temperature range, with minimums dipping to -1°C (31°F) and maximums reaching up to 28°C (83°F). In contrast, August maintains milder conditions, with a minimum of 5°C (42°F) and a maximum of 30°C (87°F). Both months see similar levels of precipitation, with September recording 62 mm (2.4 in) and August slightly higher at 70 mm (2.8 in), each experiencing rain on approximately 10 days. Additionally, September is slightly more humid at 90% compared to August's 84%. For a closer look at August's weather, you can visit Sergiyev Posad weather in August.
September and October showcase a notable transition in weather patterns. In September, temperatures fluctuate from a minimum of -1°C (31°F) to a maximum of 28°C (83°F), with an average of 12°C (54°F). The month receives 62 mm (2.4 in) of precipitation over about 10 days, accompanied by a high humidity level of 90%. In contrast, October experiences cooler conditions, with temperatures ranging from -4°C (25°F) to a maximum of 20°C (68°F) and an average of only 6°C (44°F). It remains relatively moist, with similar precipitation levels at 61 mm (2.4 in), but with increased rainy days at 13 and slightly higher humidity at 92%. For a detailed look at October's weather, visit Sergiyev Posad weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a mild -1°C (31°F) at night to a warm 28°C (83°F) during the day, with an average of 12°C (54°F). This month experiences approximately 62 mm (2.4 in) of precipitation over 10 days, along with a relatively high humidity of 90%. In contrast, November sees colder conditions, with nighttime lows plummeting to -13°C (10°F) and daytime highs only reaching 12°C (53°F), resulting in an average of 0°C (33°F). Precipitation decreases slightly to 49 mm (1.9 in) but is spread across more days, totaling 12 days of rain. Humidity also climbs to 94%, making November feel quite damp. For a detailed look at what to expect, you can visit Sergiyev Posad weather in November.
September and December present stark contrasts in weather conditions. September boasts milder temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 28°C (83°F), with an average of 12°C (54°F). The month features about 62 mm (2.4 in) of precipitation over 10 days, accompanied by high humidity levels of 90%. In contrast, December plunges into the depths of winter, characterized by much colder temperatures, with a minimum of -25°C (-12°F), an average of -5°C (24°F), and a maximum of 7°C (45°F). Precipitation in December is slightly lower at 58 mm (2.3 in), spread over 13 days, while humidity rises to 92%. For a detailed look at December's conditions, you can visit Sergiyev Posad weather in December.
As September unfolds in Sergiyev Posad, the weather begins to transition from the warmth of summer to the crispness of autumn. With temperatures averaging around 12°C, days are often mild while nights can dip near freezing, creating a dynamic climate that stands in stark contrast to the preceding months. Increased humidity levels and frequent rain, amounting to about 62 mm, further signal the shift, setting the stage for a vibrant tapestry of autumn colors. This month also sees a notable uptick in precipitation days, making it one of the wetter times of the year. For those looking to understand the unique aspects of Sergiyev Posad weather, explore more about the distinct seasonal patterns at Sergiyev Posad Climate.