Last updated: August 27, 2025
In Perm, Russian Federation, the weather in September presents a transitioning landscape from summer to autumn. With maximum temperatures reaching 25°C (78°F) and an average of 10°C (50°F), the days start to cool down, while chilly nights can dip as low as -1°C (31°F). Expect about 63 mm (2.5 in) of precipitation spread over 11 days, contributing to an overall humidity level of 89%, which enhances the crispness in the air. As the month unfolds, be prepared for a mix of warm afternoons and brisk evenings, perfect for enjoying the vibrant fall foliage.
In September, Perm, Russian Federation experiences a transitional shift that hints at the impending winter chill while still embracing the remnants of summer warmth. With temperatures ranging from a brisk -1°C (31°F) at night to a pleasant 25°C (78°F) during the day, the month showcases an inviting average of 10°C (50°F). This transformation is a departure from the scorching summer highs, as the region begins to cool down, paving the way for the stark drops of autumn. Notably, the steady decline in nightly temperatures marks the decline from the sultry peaks of August, while the sunny days still offer a taste of warmth before winter sets in, creating an enchanting blend of seasonal contrasts that captivates both residents and visitors alike.
In September, Perm experiences a notable shift in its climatological narrative, bringing in 63 mm (2.5 in) of precipitation over 11 days. This marks a transition toward autumn, with rainfall slightly decreasing from the summer peak of 103 mm in July and remaining relatively consistent as the year progresses. The month strikes a balance, offering a refreshing respite with moderate rain compared to the previous months, such as August's 79 mm. This gentle tapering off invites a crispness to the air, signaling the approach of autumn and setting the stage for the onset of October, which typically follows closely with 62 mm of precipitation. Thus, September serves as a bridge from the lush summer months into the cooler, more subdued days of fall in Perm.
In September, Perm's humidity stabilizes at a relatively comfortable 89%, marking a shift from the high summer levels. The trend reveals a gradual decline from the early winter months, where humidity peaks at an impressive 99% in January and remains consistently high through February and March. As spring unfolds, humidity begins to drop, reaching its lowest point of 71% in June. However, with the advent of autumn, a subtle increase is observed as September approaches, reflecting nature's transition and hinting at the rising dampness that awaits in October and November. Overall, September's levels illustrate a balance between the lingering warmth of summer and the approaching chill of autumn.
In September, Perm experiences a UV Index of 4, indicating a moderate level of sun exposure. This marks a slight decrease from the peak summer months, where the index reached as high as 7 during June. With a burn time of 30 minutes, September invites residents and visitors to enjoy outdoor activities with a reminder to take sun protection measures, especially during midday hours. As the season shifts into autumn, viewers can expect a transition to a lower index in October with a UV rating of 3. To explore more about the UV Index throughout the year in Perm, visit Perm UV Index.
UV Risk Categories
As summer gives way to autumn, September in Perm showcases a radiant shift in daylight, offering 259 hours of sunshine that serves as a gentle reminder of the warmer months. This month experiences a notable decline from July's peak of 425 hours, yet it still benefits from a generous amount of sunlight compared to the darker, winter months ahead. Following the lush days of summer, September's sunshine creates a perfect backdrop for the changing foliage, inviting residents to savor the crisp air and vibrant landscapes. This transitional period reflects a steady reduction in daylight as Perm braces for October and November, which see a significant drop to 174 and 89 hours respectively, emphasizing the fleeting nature of sunshine as the year progresses.
In Perm, Russian Federation, the likelihood of sunny weather experiences a notable decline as summer transitions into autumn. Starting with June, where the sun graces the skies 60% of the time, the probability remains substantial, but dips slightly to 49% in both July and August. However, by September, the chance of sunshine falls to 26%, marking a significant drop as the days grow shorter and cooler. This trend towards cloudier conditions continues into October, with only 23% chance of sunshine, making September a transitional month with diminishing bright days. So, while September does hold some sunny potential, it clearly signals the approach of autumn in Perm.
In September, daylight in Perm, Russian Federation, begins to wane as the vibrant summer months transition into the cooler autumn season. The average daylight duration drops to 12 hours, a noticeable shift from the lengthy 18 hours experienced in June and the still generous 15 hours of August. This decline marks the start of a gradual descent towards the shorter days of fall and winter, where the sun will barely grace the sky with 7 hours of daylight by January. The changing lengths of daylight reflect the rhythm of nature, inviting residents to savor the remaining warmth and light before the colder months set in. As September unfolds, a subtle reminder of the approaching season encourages both reflection and appreciation for the fleeting golden hours.
As summer gives way to autumn, September breathes a fresh breeze into Perm with an average wind speed of 3.6 m/s (8 mph), making it one of the more blustery months of the year. After the calmer days of summer, where winds dipped to a gentle 2.4 m/s (5 mph) in July, the wind picks up appreciably in September, signalling the transition into the energetic embrace of fall. This noticeable increase not only invigorates the atmosphere but also hints at the upcoming winter months, where wind speeds continue to fluctuate, peaking in November at 4.1 m/s (9 mph). The shift in wind patterns highlights a shift in seasons, creating a lively backdrop against which the vibrant colors of autumn foliage can truly shine.
Weather in Perm varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Perm, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a chilly -1°C (31°F) at night to a warm 25°C (78°F) during the day, with an average of 10°C (50°F). The month experiences about 63 mm (2.5 in) of precipitation over 11 days, accompanied by high humidity at 89%. In stark contrast, January plunges into deep winter, with temperatures plummeting to a minimum of -37°C (-34°F) and an average of -12°C (11°F), only reaching a maximum of 1°C (35°F). Precipitation drops to 38 mm (1.5 in) across the same number of days, but humidity increases to a remarkable 99%. This comparison highlights the dramatic seasonal shift experienced by the region. For more details on January weather in Perm, visit Perm 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 pleasant maximum of 25°C (78°F), with an average of 10°C (50°F). The month sees moderate precipitation of 63 mm (2.5 in) over 11 days, while humidity sits at 89%. Conversely, February is much harsher, with temperatures plummeting to a minimum of -33°C (-27°F) and a maximum of just 3°C (37°F), averaging -10°C (14°F). Precipitation is lower at 46 mm (1.8 in) spread over the same 11 days, but the humidity is slightly higher at 97%. For further insights into the weather in Perm during February, check out Perm weather in February.
September and March showcase contrasting weather patterns and temperatures. In September, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 25°C (78°F), with an average of 10°C (50°F). The month experiences significant humidity at 89% and rainfall of 63 mm (2.5 in) over 11 days. In comparison, March brings much colder conditions, with temperatures plummeting to a minimum of -27°C (-17°F) and an average of -5°C (24°F), peaking at only 11°C (52°F). Although rainfall is less at 44 mm (1.7 in), it occurs over 12 days, and humidity is slightly higher at 95%. For more details on March weather, visit Perm weather in March.
In comparing the weather of September and April, we see notable differences in both temperature and conditions. September, with an average temperature of 10°C (50°F) and a maximum reaching 25°C (78°F), offers a warmer and more pleasant climate than April, which has an average temperature of just 3°C (38°F) and a maximum of 19°C (67°F). Precipitation is slightly lower in April, totaling 47 mm (1.8 in) over 11 days, compared to September's 63 mm (2.5 in) over the same number of days. Humidity levels are similar in both months, hovering around 89% for September and 90% for April, contributing to a generally damp atmosphere. For more details, you can check out Perm weather in April.
When comparing the weather in September and May, there are notable differences in temperature and humidity. In September, temperatures range from a low of -1°C (31°F) to a comfortable high of 25°C (78°F), with an average temperature of 10°C (50°F) and relatively high humidity at 89%. Conversely, May experiences slightly cooler temperatures with a minimum of -5°C (23°F) and a maximum of 31°C (88°F), resulting in an average of 11°C (52°F) and lower humidity at 79%. Precipitation is fairly consistent, with both months seeing around 54-63 mm of rain over approximately 11 days. For a detailed look at May weather in Perm, you can check Perm weather in May.
In comparing the weather between September and June, it's clear that June tends to be warmer overall. While September experiences a minimum temperature of -1°C (31°F) and an average of 10°C (50°F), June sees slightly milder conditions with a minimum of 1°C (33°F) and an average of 15°C (59°F). Moreover, June can reach maximum temperatures of 32°C (90°F), significantly higher than September's maximum of 25°C (78°F). Precipitation is somewhat comparable in both months, with June receiving 73 mm (2.9 in) over 13 days and September getting 63 mm (2.5 in) over 11 days. Additionally, June is characterized by lower humidity at 71%, compared to the higher 89% observed in September. For more detailed insights about the weather in June, you can visit Perm weather in June.
When comparing the weather in September and July, it is evident that July is markedly warmer, with average temperatures reaching 19°C (66°F) and maximums soaring to 35°C (96°F). In contrast, September's temperatures are significantly cooler, with an average of 10°C (50°F) and maximums only reaching 25°C (78°F). Additionally, July experiences higher precipitation of 103 mm (4.1 in) over 14 days, compared to September's 63 mm (2.5 in) over 11 days. Despite this, September's humidity is relatively high at 89%, surpassing July's 81%. For a detailed look into July's weather conditions, visit Perm weather in July.
In comparing the weather between August and September, we see a notable shift in temperatures and humidity levels. August is characterized by warmer conditions, with minimum temperatures averaging around 4°C (40°F) and maximums reaching up to 34°C (94°F), while September experiences cooler temperatures, with minimums dropping to -1°C (31°F) and maximums capping at 25°C (78°F). Additionally, August has lower humidity at 80%, compared to September's higher humidity of 89%. Although both months see precipitation on 11 days, September records slightly less rainfall at 63 mm (2.5 in), compared to August's 79 mm (3.1 in). For more details on August weather in Perm, you can visit Perm weather in August.
In September, the weather showcases a broader temperature range, with minimums around -1°C (31°F) and maximums peaking at 25°C (78°F), bringing an average of 10°C (50°F). The month experiences 63 mm (2.5 in) of precipitation over 11 days, alongside a humidity level of 89%. In contrast, October sees a noticeable drop in temperatures, with minimums plunging to -9°C (16°F) and an average of just 4°C (40°F), while maximums reach only 19°C (66°F). Precipitation levels remain similar at 62 mm (2.4 in), but the number of rainy days increases to 14, coupled with slightly higher humidity at 91%. For more detailed information, you can check Perm weather in October.
In September, the weather is relatively mild with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 25°C (78°F), averaging around 10°C (50°F). This month experiences an average humidity of 89% and 63 mm (2.5 in) of precipitation over 11 days. In contrast, November brings much colder conditions, with temperatures dropping significantly, featuring a minimum of -25°C (-13°F) and a maximum of just 9°C (49°F), averaging -4°C (25°F). Although November has slightly less precipitation at 56 mm (2.2 in), it has more wet days, totaling 13, along with increased humidity at 94%. For more detailed information, check out Perm weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), contributing to an average of 10°C (50°F). The month experiences 63 mm (2.5 in) of precipitation spread across 11 days, with humidity levels hovering at 89%. In contrast, December brings much colder conditions, with temperatures dropping significantly to a minimum of -28°C (-17°F) and an average of -9°C (16°F), reaching a maximum of just 3°C (38°F). This month sees slightly less precipitation at 48 mm (1.9 in), but maintains a similar frequency of 11 rainy days, with humidity increasing to 90%. For more details on December’s weather, visit Perm weather in December.
As September rolls in, Perm's weather showcases a distinct transition from the warmth of summer to the chill of autumn. While temperatures remain relatively mild, with highs reaching a comfortable 25°C, the average drops significantly, adding a crispness to the air that signals the change of seasons. The increased humidity at 89% and frequent precipitation, with rain on nearly half the days of the month, further contribute to the evolving landscape. These elements make September in Perm uniquely refreshing, inviting residents and visitors alike to embrace the beauty of autumn. For a deeper dive into the weather patterns throughout the year, visit Perm Climate.