Last updated: August 27, 2025
In Ostrovskoye, Russian Federation, the average temperature in September hovers around 11°C (52°F). While you can expect minimums of 0°C (31°F) and maximums reaching 25°C (76°F), it's also noteworthy that this month brings about 82 mm (3.2 in) of precipitation spread over 13 days. With an average humidity of 89%, it’s a great time to embrace cozy atmospheres and prepare for some wet weather!
In September in Ostrovskoye, the average temperature is 11°C (52°F). Maximums can reach 25°C (76°F), and minimums can be as low as 0°C (31°F). It's a great time to visit if you enjoy mild weather with the possibility of cool evenings.
In Ostrovskoye in September, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.
In Ostrovskoye in September humidity is 89%. With an average temperature of 11°C (52°F), this humidity feels like a cool mist clinging to your skin, making outdoor activities feel damp and chilly, so it's essential to dress in layers and be prepared for a brisk experience while traveling.
In Ostrovskoye in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Ostrovskoye for better planning.
UV Risk Categories
Weather in Ostrovskoye varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ostrovskoye, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 45 mm (1.8 inches) | 99% | low |
| February Weather | -7°C (19°F) | 58 mm (2.3 inches) | 97% | low |
| March Weather | -3°C (27°F) | 44 mm (1.7 inches) | 93% | moderate |
| April Weather | 5°C (40°F) | 48 mm (1.9 inches) | 84% | moderate |
| May Weather | 11°C (53°F) | 64 mm (2.5 inches) | 72% | moderate |
| June Weather | 16°C (61°F) | 63 mm (2.5 inches) | 73% | high |
| July Weather | 18°C (65°F) | 89 mm (3.5 inches) | 76% | high |
| August Weather | 17°C (62°F) | 66 mm (2.6 inches) | 77% | high |
| September Weather | 11°C (52°F) | 82 mm (3.2 inches) | 89% | moderate |
| October Weather | 5°C (42°F) | 73 mm (2.9 inches) | 91% | low |
| November Weather | -1°C (31°F) | 60 mm (2.4 inches) | 94% | low |
| December Weather | -6°C (21°F) | 56 mm (2.2 inches) | 92% | low |