September Weather in Smolenskaya, Russian Federation

Last updated: August 27, 2025

September in Smolenskaya, Russian Federation, presents a climate of notable contrasts, with temperatures ranging from a maximum of 36°C (97°F) to a minimum of 4°C (39°F), yielding an average of 19°C (67°F). This transitional month experiences 40 mm (1.6 in) of precipitation over approximately 7 days, resulting in a humidity rate of 54%. As summer wanes into autumn, visitors can anticipate a blend of warm days and cooler nights, perfect for enjoying the vibrant fall scenery.

September Temperature in Smolenskaya

As September rolls into Smolenskaya, a noticeable shift in temperatures signals the onset of autumn. With minimums around 4°C (39°F), the days begin cooler, but the average temperature climbs to a comfortable 19°C (67°F), offering a pleasant respite from the sweltering summer months. The warmth peaks with a generous maximum of 36°C (97°F), a striking contrast to the descending temperatures that follow as October approaches. This transition highlights September as a blend of lingering summer heat and the crispness of autumn, making it an ideal time to experience the beautiful landscapes painted in early fall colors.

September Weather in Smolenskaya: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Smolenskaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smolenskaya, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec363743526171767667564440
Data source: Temperature data for Smolenskaya generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Smolenskaya

September in Smolenskaya sees a modest decline in precipitation compared to the summer months, with an average of 40 mm (1.6 in) of rain falling over just 7 days. This reduction marks a noticeable shift from the wetter months of May through August, where rainfall was more abundant. The early autumn atmosphere brings a refreshing crispness, as the frequency of rainy days decreases, providing a brief reprieve before the more significant rainfall returns in October. Overall, September's weather delicately balances the tail end of summer's moisture and the onset of autumn, making it a transitional month in the region’s climatic rhythm.

September Precipitation Trends in Smolenskaya

The chart displays monthly precipitation patterns in Smolenskaya, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Smolenskaya, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec626175497361494140574671
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Smolenskaya

In September, the humidity in Smolenskaya, Russian Federation, settles at a comfortable 54%, signaling a transition from the summer's drier months. This slight uptick from August's 43% showcases the beginning of autumn, as the region prepares for the wetter, cooler months ahead. As the year progresses, humidity experiences a trend of gradual increase, peaking alongside winter with 86% in both January and November. The month of September marks a pivotal point where the warmth of summer starts to yield to the chillier, more humid atmosphere characteristic of the approaching fall, providing a refreshing respite before the deepening cold of winter sets in.

September Average Humidity in Smolenskaya

This chart illustrates the average monthly humidity levels in Smolenskaya, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Smolenskaya is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%79%72%67%67%57%43%54%71%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Smolenskaya

As September arrives in Smolenskaya, the UV Index reflects a transition, dipping to 7—a high exposure category that necessitates caution during outdoor activities. After months of intense sunshine in July and August, where the UV Index consistently peaked at 9, the gradual decrease signals a shift towards the cooler autumn months. Nevertheless, the burn time remains at 25 minutes, reminding residents to prioritize sun safety as they enjoy the waning days of summer. With October right around the corner, the UV Index is projected to continue its decline, reinforcing the importance of staying informed about UV levels. For detailed updates on UV trends, visit Smolenskaya UV Index.

Maximum UV Index Levels in Smolenskaya for September

The chart shows the monthly maximum UV Index (UVI) for Smolenskaya in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Smolenskaya typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799987532
Data source: Smolenskaya September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Smolenskaya

In September, Smolenskaya enjoys a delightful transition into autumn with 345 hours of sunshine, marking a gentle decline from the summer peak of 437 hours in July. This month reflects a gradual shift in daylight, continuing the trend established in previous months, where the sunlit days start to wane as the year progresses. The sunlight hours decrease further, yet September still offers a vibrant tapestry of sunny days, providing plenty of opportunities to relish the lingering warmth before the chill of winter sets in. Engaging in outdoor activities during this month can be particularly rewarding, as the ambiance is filled with the crispness of falling leaves and the last whispers of summer.

Monthly Sunshine Duration in Smolenskaya: September Highlighted

The September sunshine duration represents the total number of hours Smolenskaya experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec155h215h294h346h403h420h437h404h345h303h253h206h
Data source: Smolenskaya September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Smolenskaya During September

In Smolenskaya, the chances of sunny weather in September stand at 54%, making it a delightful transition month as summer wanes and autumn approaches. This reflects a steady consistency in sunny days compared to the preceding months, particularly August's 61%. Following a lively summer peak in July at 78%, September maintains a promising level of sunshine that is quite favorable for outdoor activities and enjoying the lingering warmth. As the year progresses, the likelihood of sun dips slightly in October but remains relatively high compared to the chilly months that follow. Overall, September is a beautiful blend of summer's last rays and autumn's tranquil charm in Smolenskaya.

Percentage of Sunny Days in September in Smolenskaya

The chart illustrates the percentage of sunny days in Smolenskaya throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Smolenskaya experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%24%31%30%54%56%78%61%54%58%45%33%
Data source: Smolenskaya September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Smolenskaya in September

As summer fades into autumn, September in Smolenskaya, Russian Federation, offers a gentle transition from the long, sunlit days of July and August. With 12 hours of daylight, the month marks a subtle decrease as daylight begins to wane after the peak of 15 hours in the height of summer. This gradual reduction signifies the shifting seasons, following a pattern where the length of daylight consistently diminishes from a maximum of 15 hours in June and July to just 8 hours by December. September serves as a reminder of nature’s rhythm, providing a perfect blend of light for those seeking to savor the last warm days before the chilly embrace of autumn fully sets in.

Average Daylight Hours in Smolenskaya for September

The chart illustrates the variation in daylight duration in Smolenskaya throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 13m10h 25m11h 56m13h 30m14h 50m15h 30m15h 9m13h 58m12h 28m10h 55m9h 33m8h 50m
Data source: Smolenskaya daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Smolenskaya

In September, the winds of Smolenskaya begin to shift, with an average speed of 3.2 m/s (7 mph)—a gentle breeze that hints at the changing seasons. This month sees a slight uptick from the summer lull, where July and August reported the lowest winds at 3.3 m/s and 2.5 m/s respectively. As the year progresses, the wind speeds start to stabilize, returning to levels similar to those of early winter in October and November, both averaging 3.5 m/s (8 mph), while the peak speeds in January and March at 3.6 m/s (8 mph) suggest a consistent pattern of briskness as the colder months approach. Overall, September offers a delightful transition, teasing the crispness of autumn while maintaining a comfortable, refreshing breeze.

Average September Wind Speed in Smolenskaya

The chart displays monthly wind speed patterns in Smolenskaya, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.54.03.63.33.12.93.32.53.2 m/s3.53.63.5
Data source: Smolenskaya September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Smolenskaya Compares to Other Months

Weather in Smolenskaya varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Smolenskaya, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather conditions. September's temperatures range from a mild 4°C (39°F) at night to a warm 36°C (97°F) during the day, accompanied by relatively moderate precipitation of 40 mm (1.6 in) spread over about 7 days and a humidity level of 54%. In contrast, January is characterized by much colder temperatures, with lows plunging to -18°C (0°F) and daytime highs only reaching 16°C (61°F). This winter month also sees increased precipitation at 62 mm (2.4 in) over approximately 11 days, along with a higher humidity level of 86%. For more detailed information on January weather, you can check Smolenskaya weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F), allowing for warm days and cooler nights. The month sees about 40 mm (1.6 in) of precipitation over 7 days, accompanied by a moderate humidity level of 54%. In contrast, February experiences much colder conditions, with temperatures dropping as low as -16°C (4°F) and peaking at 18°C (64°F), averaging only 3°C (38°F). The month is wetter, with 61 mm (2.4 in) of precipitation occurring over 12 days and higher humidity at 85%, contributing to a distinctly frigid atmosphere. For more insights on February weather, you can explore Smolenskaya weather in February.

When comparing the weather in September and March, notable differences emerge in temperature and precipitation. September boasts a much warmer climate, with average temperatures around 19°C (67°F) and maximums reaching up to 36°C (97°F), while March experiences colder conditions, with averages around 6°C (43°F) and lows plummeting to -9°C (16°F). Additionally, March sees significantly more precipitation, at 75 mm (2.9 in) over 13 days, compared to September’s 40 mm (1.6 in) over 7 days, leading to a marked increase in humidity levels, which averages 79% in March versus 54% in September. For a detailed look at March weather, you can explore Smolenskaya weather in March.

When comparing the weather of September and April, notable differences emerge in both temperature and humidity. September boasts a warmer range, with minimum temperatures around 4°C (39°F) and maximums reaching as high as 36°C (97°F), averaging 19°C (67°F). In contrast, April has colder conditions, starting from a minimum of -2°C (29°F) and averaging 11°C (52°F), with a maximum of 28°C (83°F). Precipitation patterns also differ slightly, as September sees 40 mm (1.6 in) of rain over about 7 days, while April receives a bit more, at 49 mm (1.9 in) across 8 days. Additionally, April comes with higher humidity levels at 72%, compared to September's 54%. For a more detailed look at how April weather unfolds, you can visit Smolenskaya weather in April.

When comparing the weather in September and May, we notice distinct differences in temperature and precipitation. September generally enjoys warmer temperatures, with averages around 19°C (67°F) and highs reaching up to 36°C (97°F), while May sees slightly cooler averages at 16°C (62°F) and a maximum of 30°C (87°F). However, May experiences more rainfall, with 73 mm (2.9 in) over 10 days, compared to September’s 40 mm (1.6 in) across 7 days. Additionally, May tends to be more humid, with humidity levels averaging 67%, whereas September's humidity sits at 54%. For a closer look at the specifics of May's weather, visit Smolenskaya weather in May.

When comparing the weather in September and June, we see notable differences in temperature and precipitation. September experiences a broader range of temperatures, with a minimum of 4°C (39°F) and a maximum of 36°C (97°F), resulting in an average of 19°C (67°F). This month sees less precipitation at 40 mm (1.6 in) over 7 days, with a humidity level of 54%. In contrast, June has a milder minimum temperature of 9°C (48°F) and an average temperature of 22°C (72°F), with a maximum reaching 37°C (98°F). June is also wetter, recording 61 mm (2.4 in) over 10 days, accompanied by higher humidity at 67%. For more detailed insights on June weather, you can visit Smolenskaya weather in June.

In comparing the weather between September and July, we see notable differences in temperature and precipitation patterns. September typically offers a wider range of temperatures, with minimums dropping to 4°C (39°F) and maximums reaching up to 36°C (97°F), while July boasts higher average temperatures, ranging from a minimum of 12°C (54°F) to a high of 38°C (100°F). Additionally, July experiences slightly more precipitation with 49 mm (1.9 in) over nine days compared to September's 40 mm (1.6 in) across seven days, resulting in higher humidity levels in July at 57%, compared to 54% in September. For a more detailed look at July weather patterns, refer to Smolenskaya weather in July.

In comparing the weather of September to August, we see notable differences in temperature and humidity. September experiences a wider temperature range, with minimums dropping to 4°C (39°F) compared to August's milder minimum of 11°C (53°F). The average temperature in September is also cooler at 19°C (67°F), while August features a warmer average of 25°C (76°F). Both months receive similar levels of precipitation—41 mm (1.6 in) in August and 40 mm (1.6 in) in September—but August has slightly less rainfall spread over five days compared to September's seven days of rainfall. Humidity levels are also lower in August at 43%, compared to September’s 54%, indicating a more comfortable atmosphere during the latter summer month. For detailed insights on August weather, visit Smolenskaya weather in August.

September and October present notable differences in weather patterns. September enjoys a warm average temperature of 19°C (67°F), with highs reaching up to 36°C (97°F), while October cools down significantly, averaging at 13°C (56°F) and dipping as low as -2°C (30°F). The precipitation increases from 40 mm (1.6 in) in September to 57 mm (2.2 in) in October, with both months experiencing rain on seven days. Additionally, October brings higher humidity at 71%, compared to September's 54%. For more detailed information, you can check Smolenskaya weather in October.

In September, the weather typically features a more moderate range, with temperatures varying from a cool 4°C (39°F) at night to a warm 36°C (97°F) during the day, allowing for an average temperature of 19°C (67°F). Precipitation is relatively low at 40 mm (1.6 in) over about 7 days, accompanied by a comfortable humidity level of 54%. In contrast, November experiences a significant drop in temperature, with nighttime lows plunging to -6°C (21°F) and daytime highs reaching 25°C (78°F), resulting in a cooler average of just 6°C (44°F). Precipitation increases slightly to 46 mm (1.8 in) across 8 days, and humidity rises substantially to 86%, creating a much more damp and chilly atmosphere. For more details on November weather, you can visit Smolenskaya weather in November.

September weather is characterized by a wide temperature range, with a minimum of 4°C (39°F) and a maximum reaching up to 36°C (97°F). The average temperature of 19°C (67°F) and relatively low humidity at 54% make it feel warm and pleasant, despite some precipitation amounting to 40 mm (1.6 in) over 7 days. In contrast, December brings a significant drop in temperatures, with a minimum of -11°C (12°F) and a maximum of 18°C (65°F). The average temperature falls to around 4°C (40°F), and the humidity increases dramatically to 87%. Additionally, December experiences more precipitation, totaling 71 mm (2.8 in) over 11 days, making the month feel much wetter and colder. For more details, visit Smolenskaya weather in December.

Compare Smolenskaya's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Smolenskaya

As September ushers in a subtle shift in Smolenskaya’s weather, it stands apart from the sweltering summer months that precede it. This transitional period sees a delightful balance between warm days and cool nights, offering a refreshing retreat from the peak heat. While temperatures can still reach a notable high, the average cools considerably, presenting a more temperate climate ideal for outdoor activities. Additionally, with a modest amount of rainfall sprinkled across the month, September maintains a pleasant humidity level. For those interested in understanding the broader climate trends, more insights can be found at Smolenskaya Climate.