Last updated: August 27, 2025
In September, Vladivostok experiences a delightful transition from summer to autumn, with average temperatures hovering around 19°C (66°F), peaking at a comfortable 26°C (79°F) during the day and dipping to a cool 10°C (50°F) at night. This month also brings about 91 mm (3.6 in) of rainfall, spread over 9 days, contributing to an overall humidity level of 82%. Visitors can expect a beautiful blend of sunny days and occasional showers, perfect for exploring the stunning coastal landscapes of this vibrant Russian city.
As September arrives in Vladivostok, the city begins to transition from the warmth of summer to the crispness of autumn. With temperatures ranging from a mild minimum of 10°C (50°F) to a pleasant maximum of 26°C (79°F), the month offers some of the year's most comfortable weather. The average temperature sits at a cozy 19°C (66°F), making it an ideal time for outdoor activities and exploring the beautiful coastal landscapes. With temperatures noticeably cooler than the peak summer months of July and August, September embodies a perfect blend of lingering warmth and the promise of fall. This gradual shift not only signals a change in the weather but also an opportunity to experience the charm of Vladivostok in a more tranquil setting.
September marks a pivotal transition in Vladivostok's precipitation patterns, as the city experiences a significant downpour with 91 mm (3.6 in) of rainfall spread over 9 days. This level of precipitation mirrors the heavier rains of August, signaling the tail end of summer's wet season. Notably, this month’s rainfall is essential for replenishing the region's water sources as it bridges the gap between the lush summer months and the relatively drier autumn ahead. The consistent precipitation in both August and September, with each month recording substantial rainfall, sets a tone of moisture-laden air that heavily influences the local ecosystem. As the weather begins to cool, the pattern of September serves as a reminder of the region's dynamic climate, providing a glimpse into the upcoming transition to drier conditions in October and November.
As summer fades into autumn, September in Vladivostok brings a notable shift in humidity levels. The month sees an average humidity of 82%, marking a decline from the high peaks of 90% in August. This transitional period reflects a general trend of fluctuating humidity, with the year starting off with exceedingly high humidity levels, peaking in the summer months. Interestingly, September's figure remains relatively high compared to the earlier months, where humidity was in the low 70s. As the year progresses into October, humidity continues its downward trend, suggesting a gradual return to more comfortable conditions as the cool winds of fall begin to set in.
As summer transitions into autumn, September in Vladivostok sees a notable decrease in the UV Index, settling at 8, which places it in the very high exposure category. This indicates a slight drop from the peak summer months of July and August, where the UV Index consistently reached 10. With a burn time of just 15 minutes, it remains crucial for residents and visitors to stay vigilant about sun protection as they enjoy the lingering warmth of early fall. As the months progress into October, the UV Index will further dip to 5, signaling a shift toward a more moderate sun exposure. To stay informed and take appropriate precautions, check the details at Vladivostok UV Index.
UV Risk Categories
September in Vladivostok delights with 280 hours of sunshine, marking a gentle transition from the sun-kissed summer months into the cooler autumn. This month retains a wealth of light, only slightly dipping from the vibrant summer peak of 315 hours in May. As the days shorten, September still outshines the earlier winter months, presenting a striking contrast with a notable increase in daylight hours from January's mere 191. The trend suggests a steady decline in sunlight as the year progresses, yet September remains a cherished time for both locals and visitors to bask in the warm glow of early autumn before the chill of October sets in.
In Vladivostok, the likelihood of sunny weather sees a notable shift as the year progresses, particularly in September, where the chance of sunlight rises to 37%. This marks a slight improvement compared to the dreariness of the summer months, such as July's low of 21% and June's 25%. As autumn approaches, the city starts to awaken from its prolonged periods of cloud cover, rejuvenating the hope for brighter days. While September does not yet rival the sun-soaked conditions of early winter months like January and December, with probabilities peaking at 62% and 70% respectively, it hints at a pleasant transitional phase where the warmth of summer lingers just a bit longer, making it a delightful time to experience Vladivostok’s scenic beauty.
As summer fades into autumn, September in Vladivostok heralds a transition with 12 hours of daylight, a slight decrease from the vibrant 13 hours of August. This gradual reduction marks an end to the long, sunlit days experienced during the peak of summer, where daylight peaked at a lush 15 hours in June. The trend showcases a steady pattern, where longer days in April (13 hours) and May (14 hours) gradually taper off through the later months of the year. As daylight diminishes to 11 hours in October and then to 9 hours by November and December, residents of Vladivostok can appreciate the beauty of autumn that comes with shorter days, inviting a cozy atmosphere as the year draws to a close.
As September rolls into Vladivostok, the average wind speed settles at 4.0 m/s (9 mph), mirroring the calmness of the summer months. Following a gradual decline from the gusty January winds of 4.9 m/s (11 mph), the breezes become gentler, promoting a serene atmosphere that contrasts with the preceding layers of summer heat. This gentle wind persists throughout August and into early autumn, creating a soothing backdrop for the vibrant transitions of the season. As October approaches, the winds pick up again, hinting at the rejuvenation that comes with cooler temperatures, yet for September, it remains a delightful balance of tranquility and freshness.
Weather in Vladivostok varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Vladivostok, 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 minimum of 10°C (50°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F) and relatively high humidity at 82%. This month also experiences moderate rainfall, with 91 mm (3.6 in) of precipitation over about 9 days. In sharp contrast, January sees frigid temperatures, with lows plummeting to -21°C (-6°F) and only rising to a maximum of 2°C (37°F), averaging -9°C (16°F). Precipitation is minimal in January, totaling only 15 mm (0.6 in) over just 2 days, and humidity remains high at 84%. For a more detailed look at January weather, you can refer to Vladivostok weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a mild 10°C (50°F) to a warm 26°C (79°F), with an average of 19°C (66°F) accompanied by 91 mm (3.6 in) of precipitation over approximately 9 days, resulting in a humid environment at 82%. In contrast, February is characterized by chilly temperatures, with a stark minimum of -18°C (0°F) and a maximum of only 5°C (41°F), averaging -6°C (21°F). Precipitation during this month is significantly lower at just 15 mm (0.6 in), occurring over 3 days, and relative humidity at 76% lends a crisp undertone to the air. For a detailed look at February's weather in Vladivostok, you can check Vladivostok weather in February.
When comparing the weather in September and March, notable contrasts emerge. September boasts a pleasant average temperature of 19°C (66°F), with highs reaching 26°C (79°F), making it a warm month, while March grapples with much chillier conditions, featuring an average temperature of 0°C (32°F) and highs of only 12°C (54°F). Rainfall is also more prevalent in September, with 91 mm (3.6 in) of precipitation over 9 days, compared to March's lighter showers of 35 mm (1.4 in) across just 5 days. Additionally, September's humidity at 82% creates a distinctly muggy atmosphere, contrasting with the drier, more crisp air of March, which has a humidity of 72%. For a closer look at the weather specifics in March, you can check Vladivostok weather in March.
When comparing the weather in September and April, significant differences emerge. September boasts a milder climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), accompanied by higher humidity at 82% and more precipitation (91 mm) spread over 9 days. In contrast, April remains chilly, with temperatures dipping as low as -2°C (28°F) and peaking at just 15°C (60°F). This month also sees considerably less rainfall, totaling only 28 mm over 7 days and a lower humidity level of 69%. For a more detailed look at the weather specifics in April, check out Vladivostok weather in April.
In comparing the weather of September and May, September boasts a more comfortable temperature range, with minimums around 10°C (50°F) and maximums reaching up to 26°C (79°F), while May experiences cooler conditions, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 19°C (66°F). Both months receive the same amount of precipitation at 91 mm (3.6 in) over 9 days, but September's higher average humidity level of 82% gives it a somewhat more muggy feel compared to May's 76%. Thus, while September offers warmer and more humid weather, May is characterized by its cooler temperatures and slightly lower humidity. For more detailed information about May weather, check Vladivostok weather in May.
In comparing the weather between September and June, September generally offers warmer temperatures, with an average high of 26°C (79°F) compared to June's maximum of 23°C (74°F). The minimum temperatures in both months are quite similar, with September starting at 10°C (50°F) and June at 9°C (49°F). Rainfall is slightly higher in September, totaling 91 mm (3.6 inches) over 9 days, whereas June experiences 70 mm (2.7 inches) across 10 days. Additionally, humidity levels are comparable, with September at 82% and June at 85%. For more detailed insights on June weather, you can refer to Vladivostok weather in June.
September weather is generally cooler than July, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), compared to July's minimum of 13°C (56°F) and maximum of 29°C (84°F). While both months experience similar levels of precipitation, September tends to be wetter overall, with 91 mm (3.6 in) of rain over 9 days, compared to July's 83 mm (3.3 in) over 7 days. Humidity is notably high in both months, with September at 82% and July slightly higher at 89%. For those interested in a detailed look at July's weather patterns, you can explore Vladivostok weather in July.
In August, the weather is generally warmer and wetter compared to September. With minimum temperatures around 15°C (59°F) and average highs reaching 29°C (85°F), August boasts a pleasant warmth, though it experiences significantly higher precipitation at 215 mm (8.5 in) over 16 days. Humidity also peaks at 90%, contributing to a more tropical feel. In contrast, September features cooler temperatures with a minimum of 10°C (50°F) and average highs of 26°C (79°F), while precipitation decreases to 91 mm (3.6 in) over just 9 days, resulting in less humid conditions at 82%. Overall, September offers a gradual transition towards autumn, making it drier and cooler than the summer month of August. For more details on August weather, visit Vladivostok weather in August.
September typically presents milder weather, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F) and an average of 19°C (66°F). It also experiences more rainfall, totaling 91 mm (3.6 in) over about 9 days and maintaining a high humidity level of 82%. In contrast, October brings a noticeable drop in temperatures, with a minimum of 2°C (36°F) and an average of 12°C (54°F), peaking at 21°C (70°F). Precipitation decreases to 56 mm (2.2 in) across 6 days, and humidity remains slightly lower at 80%. For more specifics on October weather, you can check Vladivostok weather in October.
September and November present a stark contrast in weather. In September, temperatures range from a mild 10°C (50°F) to a comfortable 26°C (79°F), with an average of 19°C (66°F). The month experiences considerable humidity at 82% and sees about 91 mm (3.6 in) of precipitation over 9 days. By November, however, the climate shifts dramatically; temperatures drop significantly, with a minimum of -9°C (16°F) and an average of just 3°C (38°F), reaching a maximum of 16°C (62°F). Precipitation decreases to 49 mm (1.9 in) over 5 days, and humidity also drops to 66%, creating a much drier atmosphere. For more detailed information, you can check out Vladivostok weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a mild 10°C (50°F) at night to a comfortable maximum of 26°C (79°F) during the day, accompanied by an average humidity of 82% and notable precipitation of 91 mm (3.6 in) over nine days. In contrast, December brings a much colder climate, where minimum temperatures plummet to -21°C (-6°F) and daytime highs only reach a maximum of 7°C (46°F). Additionally, December experiences significantly less precipitation, totaling just 13 mm (0.5 in) over two days, and features lower humidity at 72%. For more specifics on December weather, you can visit Vladivostok weather in December.
As September unfolds in Vladivostok, the transition from the warmth of summer to the crispness of autumn becomes palpable. The average temperature begins to cool, settling around a comfortable level that invites outdoor exploration while still basking in the lingering sun. However, it's also a month marked by increased precipitation, with several rainy days that refresh the landscape. Meanwhile, the relatively high humidity adds a touch of moisture to the air, enhancing the experience of this beautiful coastal city. For a deeper dive into how September's weather compares to other months, explore more at Vladivostok Climate.