September Weather in Krasnoyarsk, Russian Federation

Last updated: August 27, 2025

In September, Krasnoyarsk experiences the transition from summer warmth to autumnal chill, with maximum temperatures reaching a pleasant 27°C (81°F) and an average of 9°C (49°F). The month sees minimum temperatures dipping to a brisk -3°C (27°F), marking a significant shift in the weather. Rainfall is moderate, accumulating to 63 mm (2.5 in) over about 14 days, contributing to a rather humid environment with humidity levels averaging around 83%. This blend of mild temperatures and consistent precipitation creates a unique atmospheric tapestry, characteristic of Krasnoyarsk's September climate.

September Temperature in Krasnoyarsk

September in Krasnoyarsk, Russian Federation marks a distinct transition from the warmth of summer to the chill of autumn. The temperatures during this month reveal a notable shift, with a minimum dipping to -3°C (27°F) and an encouraging average of 9°C (49°F). The days can still be pleasantly warm, peaking at a maximum of 27°C (81°F), though this is a stark contrast to the bitter cold that dominates the winter months. As the leaves begin to change, September's weather serves as a gentle reminder of the approaching frosts, encapsulating the rhythmic ebb and flow of Krasnoyarsk’s dramatic climate.

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

The chart illustrates September temperature patterns in Krasnoyarsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Krasnoyarsk, 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).
JanFebMarAprMayJunJulAugSepOctNovDec362339516365624936197
Data source: Temperature data for Krasnoyarsk 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 Krasnoyarsk

In September, Krasnoyarsk experiences a notable increase in precipitation, with 63 mm (2.5 in) of rain accumulating over 14 days of rainfall. This marks a slight uptick from the previous month, where August recorded 61 mm (2.4 in), suggesting a transition into the wetter autumn months. Following the summer peak, where July saw the highest rainfall at 76 mm (3.0 in), September maintains a robust moisture level, reflecting seasonal shifts. As the days grow noticeably shorter and temperatures begin to drop, this increased precipitation contributes to the lush landscapes typical of fall in the region, providing an important boost to the local ecosystem before winter sets in.

September Precipitation Trends in Krasnoyarsk

The chart displays monthly precipitation patterns in Krasnoyarsk, 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 Krasnoyarsk, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec212119305968766163434233
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Krasnoyarsk

September marks a transitional phase in Krasnoyarsk's humidity patterns, as the lush warmth of summer gives way to the cooler embrace of autumn. With humidity levels at 83%, there’s a noticeable dip from the summer months of July and August, which hovered around 66-67%. This indicates a shift, as the region begins to retain more moisture in the air compared to the drier summer, yet still holds back from the damp conditions of the winter months. As October approaches, humidity is set to rise again, climbing to 88%, suggesting that the cold weather will soon require residents to brace themselves for the moist chill that typically accompanies the winter season in Krasnoyarsk.

September Average Humidity in Krasnoyarsk

This chart illustrates the average monthly humidity levels in Krasnoyarsk, 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 Krasnoyarsk is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%93%90%89%77%61%66%67%83%88%95%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Krasnoyarsk

As September arrives in Krasnoyarsk, the UV Index experiences a notable dip, settling at 4 and falling into the moderate exposure category. This reduction from the high peak of 7 during the summer months reflects the changing seasons, offering residents and visitors alike a chance to enjoy the outdoors with a slightly increased safety margin. With a burn time of 30 minutes, it’s essential to remain vigilant and protect your skin even with this decrease in UV intensity. As the month progresses, keep in mind the shifting patterns of UV exposure; for the latest updates and tips on how to stay safe in the sun, visit Krasnoyarsk UV Index.

Maximum UV Index Levels in Krasnoyarsk for September

The chart shows the monthly maximum UV Index (UVI) for Krasnoyarsk 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 Krasnoyarsk typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123577764311
Data source: Krasnoyarsk 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 Krasnoyarsk

As the warm embrace of September settles over Krasnoyarsk, the city basks in a delightful 275 hours of sunshine, marking a gentle decline from the sun-drenched heights of summer. This month's brightness is a reminder of the energetic July and June, where sunshine peaked at an impressive 406 and 405 hours, respectively. Following the vibrant summer months, September's light begins to ebb, setting the stage for the cooler days of October, which brings only 216 hours of sunlight. The gradual decrease in daylight hours from the triumphant spring and summer solstice evokes a sense of transition, where the golden hues of autumn signal both a farewell to long sunny days and an invitation to embrace the cozy beauty of fall.

Monthly Sunshine Duration in Krasnoyarsk: September Highlighted

The September sunshine duration represents the total number of hours Krasnoyarsk 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.
JanFebMarAprMayJunJulAugSepOctNovDec111h198h253h326h359h405h406h376h275h216h131h107h
Data source: Krasnoyarsk September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Krasnoyarsk During September

As summer transitions to autumn in Krasnoyarsk, the likelihood of sunny weather in September remains relatively promising, with a 40% chance of sun. This marks a notable dip from the peak of 53% in July, yet it still reflects a favorable climate compared to the gloomier winter months ahead. Following August’s 45% chance, September offers a gentle decline, maintaining ample opportunity for outdoor activities amidst the changing foliage. The gradual decrease is a reminder of summer's end, but with over a third of the month still basking in sunshine, September stands as a pleasant bridge into the crispness of fall.

Percentage of Sunny Days in September in Krasnoyarsk

The chart illustrates the percentage of sunny days in Krasnoyarsk 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 Krasnoyarsk experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%17%19%28%42%38%53%45%40%38%11%13%
Data source: Krasnoyarsk September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Krasnoyarsk in September

As September unfolds in Krasnoyarsk, the daylight hours gradually begin to wane, providing a gentle transition from the vibrant summer months into the crispness of autumn. After peaking at a remarkable 17 hours in June, daylight starts a steady decline, dropping to 16 hours in July and 14 hours in August. By September, residents can expect approximately 12 hours of daylight, a noticeable shift that signals the arrival of cooler weather while still allowing for ample time to enjoy the changing foliage. This pattern continues into October, with daylight further diminishing to 10 hours, making September a key month for savoring the last remnants of the bright summer sun before winter's approach.

Average Daylight Hours in Krasnoyarsk for September

The chart illustrates the variation in daylight duration in Krasnoyarsk throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 39m9h 34m11h 52m14h 13m16h 20m17h 29m16h 53m14h 59m12h 42m10h 22m8h 13m7h 2m
Data source: Krasnoyarsk daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Krasnoyarsk

As September settles in Krasnoyarsk, a gentle transition in wind patterns becomes evident. The average wind speed of 2.5 m/s (6 mph) marks a slight uptick from the calm of summer, where July and August recorded the lowest winds at 1.8 m/s (4 mph). This subtle increase signals the approach of autumn, contrasting with the more robust winds of the later months. In the preceding months, a steady trend of diminishing wind speeds paints a relaxed summer backdrop, while the upcoming October shows a resurgence to 3.2 m/s (7 mph), hinting at a brisker fall breeze. With this shift in September, locals begin to feel the anticipation of changing seasons, embracing the refreshing air that whispers of cooler days ahead.

Average September Wind Speed in Krasnoyarsk

The chart displays monthly wind speed patterns in Krasnoyarsk, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.13.73.53.22.71.81.82.5 m/s3.24.33.5
Data source: Krasnoyarsk September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Krasnoyarsk Compares to Other Months

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

In September, temperatures in Krasnoyarsk range significantly, with a minimum of -3°C (27°F) and a maximum of 27°C (81°F), leading to an average of 9°C (49°F). This month sees around 63 mm (2.5 in) of precipitation spread over 14 days, coupled with a humidity level of 83%. In stark contrast, January experiences extreme cold, featuring a minimum temperature plunging to -44°C (-47°F). The average temperature drops to -16°C (3°F), with a maximum of just 3°C (37°F). Precipitation in January is much lower at 21 mm (0.8 in) over only 6 days, and the humidity climbs to a notable 94%. For more detailed information, check out Krasnoyarsk weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures range from a chilly -3°C (27°F) at night to a warm 27°C (81°F) during the day, with an average of 9°C (49°F). The month sees about 63 mm (2.5 in) of precipitation spread over 14 days and remains humid at 83%. In contrast, February is significantly colder, with temperatures plummeting to a daily minimum of -44°C (-47°F) and an average of -15°C (6°F), only reaching a maximum of 5°C (42°F). Precipitation decreases to 21 mm (0.8 in) over just 6 days, while humidity rises to 92%. For more detailed insights on February weather, visit Krasnoyarsk weather in February.

In September, the weather in Krasnoyarsk is relatively mild, with average temperatures around 9°C (49°F) and maximums reaching up to 27°C (81°F). The month experiences 63 mm of precipitation spread over 14 days, with humidity levels at 83%. In contrast, March is characterized by much colder temperatures, with a minimum of -32°C (-25°F) and an average temperature of -5°C (23°F). Precipitation decreases significantly to 19 mm over just 7 days, coupled with higher humidity at 90%. For a more detailed look at March weather in Krasnoyarsk, visit Krasnoyarsk weather in March.

The weather in September presents a notable transition from summer to autumn, characterized by a wide temperature range with minimums dipping to -3°C (27°F) and maximums reaching up to 27°C (81°F). This month experiences an average temperature of 9°C (49°F) and sees about 63 mm (2.5 in) of precipitation over approximately 14 days, accompanied by a humidity level of 83%.

In contrast, April heralds the arrival of spring, with cooler temperatures as the minimum can fall to -11°C (12°F), while maximum temperatures can rise to 30°C (87°F). The average temperature is around 4°C (40°F), and precipitation is significantly lower at 30 mm (1.2 in) across 8 days, with humidity slightly higher at 88%. For insights into the specific weather patterns in April, you can explore Krasnoyarsk weather in April.

When comparing the weather in September and May, we observe differences in temperature and precipitation patterns. In September, temperatures range from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), with an average of 9°C (49°F) and an average humidity of 83%. The month sees around 63 mm (2.5 in) of rainfall over 14 days. In contrast, May offers slightly warmer conditions with a minimum temperature of -7°C (20°F) and a maximum of 31°C (88°F), while the average temperature is 10°C (51°F). Precipitation in May is slightly lower at 59 mm (2.3 in) over 13 days, with humidity at 77%. For more detailed insights, you can check this link: Krasnoyarsk weather in May.

September and June present contrasting weather patterns. September features a wider temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 27°C (81°F), while the average temperature settles at a cool 9°C (49°F). In contrast, June enjoys milder conditions, with minimum temperatures around -1°C (31°F) and maximums climbing to 33°C (91°F), resulting in a much warmer average of 17°C (63°F). Precipitation levels are somewhat similar, with September receiving 63 mm (2.5 inches) across 14 days and June recording 68 mm (2.7 inches) over 11 days, but the humidity is notably higher in September at 83%, compared to June's more comfortable 61%. For more detailed insights on June weather, you can visit Krasnoyarsk weather in June.

In comparing the weather of September and July, notable differences emerge in temperature and humidity levels. In September, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable maximum of 27°C (81°F), with an average of 9°C (49°F). This month also experiences more precipitation, totaling 63 mm (2.5 in) over about 14 days, and a higher humidity level of 83%. In contrast, July offers milder temperatures, with a minimum of 5°C (42°F), an average of 18°C (65°F), and a maximum of 32°C (90°F). July sees slightly more precipitation at 76 mm (3.0 in) but over just 13 days, and the humidity is notably lower at 66%. For a closer look at July's weather patterns, you can check Krasnoyarsk weather in July.

In comparing the weather of September to August, September exhibits a wider temperature range, with a minimum of -3°C (27°F) and a maximum of 27°C (81°F), leading to an average of 9°C (49°F). In contrast, August presents a milder climate, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 32°C (90°F) and an average of 17°C (62°F). While September experiences slightly more precipitation at 63 mm (2.5 in) over 14 days compared to August's 61 mm (2.4 in) over 12 days, the humidity in September remains notably higher at 83%, compared to August's 67%. For more details, check Krasnoyarsk weather in August.

September and October bring noticeable changes in weather patterns. In September, temperatures range from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), with an average of 9°C (49°F). The month experiences around 63 mm (2.5 in) of precipitation over 14 days, coupled with a humidity of 83%. In contrast, October sees a more pronounced drop in temperatures, with a minimum of -12°C (11°F), an average of 2°C (37°F), and a maximum of 20°C (69°F). Precipitation decreases slightly to 42 mm (1.7 in) over 12 days, while humidity rises to 88%. For a detailed look at October's weather, see Krasnoyarsk weather in October.

In September, the weather in Krasnoyarsk is mild, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), and an average of 9°C (49°F). The month experiences significant precipitation with 63 mm (2.5 in) over 14 days, coupled with a humidity level of 83%. In contrast, November brings much colder conditions, with temperatures plummeting to a minimum of -28°C (-18°F) and an average of -7°C (20°F), reaching a maximum of 11°C (53°F). While November sees less precipitation at 42 mm (1.6 in) over 13 days, the humidity rises to 95%, making the air feel much colder. For more detailed information, you can check Krasnoyarsk weather in November.

September and December showcase a stark contrast in weather conditions. In September, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 27°C (81°F), with an average of 9°C (49°F). The month experiences 63 mm (2.5 in) of precipitation over 14 days, and humidity sits at a moderate 83%. In contrast, December plunges into the depths of winter, with temperatures dropping dramatically: the minimum reaches -43°C (-45°F), averaging a frigid -14°C (7°F) and peaking at just 3°C (38°F). Precipitation decreases to 33 mm (1.3 in) across 12 days, with humidity rising to a near-saturated 96%. For more details, you can check out Krasnoyarsk weather in December.

Compare Krasnoyarsk's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Krasnoyarsk

As September rolls into Krasnoyarsk, the weather presents a compelling transition from the warmth of summer to the chill of autumn. Temperatures begin to drop, with noticeable swings between mild afternoons and cool mornings, setting the stage for the upcoming seasonal changes. With an average humidity of 83% and 63 mm of precipitation over approximately half the month, expect a mix of sunshine and rain, contrasting significantly with the drier summer months. This increase in moisture also contributes to a more brisk atmosphere, inviting residents and visitors to experience the beautiful transformation of nature in this vibrant Siberian city. For a deeper understanding of the climatic nuances throughout the year, visit Krasnoyarsk Climate.