Last updated: August 27, 2025
In September, the average temperature in Kopeysk, Russian Federation is a mild 11°C (52°F). Visitors can expect a minimum temperature dipping to -2°C (29°F) and occasionally reaching a maximum of 32°C (89°F). During this time, the region experiences about 45 mm (1.8 in) of precipitation over 8 days, with an average humidity of 82%. Prepare accordingly for a mix of cool and warm days, along with some rainy spells!
In September in Kopeysk, the average temperature is 11°C (52°F). Maximum temperatures can reach 32°C (89°F), while minimum temperatures can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Kopeysk in September, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.
In Kopeysk in September, humidity is 82%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and stay prepared for the moisture-laden air as you explore your surroundings.
In Kopeysk in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Kopeysk.
UV Risk Categories
Weather in Kopeysk varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kopeysk, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -14°C (7°F) | 18 mm (0.7 inches) | 98% | low |
| February Weather | -12°C (11°F) | 25 mm (1.0 inches) | 97% | low |
| March Weather | -5°C (23°F) | 29 mm (1.1 inches) | 96% | moderate |
| April Weather | 6°C (42°F) | 28 mm (1.1 inches) | 90% | moderate |
| May Weather | 14°C (58°F) | 31 mm (1.2 inches) | 71% | high |
| June Weather | 17°C (63°F) | 37 mm (1.5 inches) | 65% | high |
| July Weather | 21°C (70°F) | 53 mm (2.1 inches) | 73% | high |
| August Weather | 19°C (66°F) | 56 mm (2.2 inches) | 72% | high |
| September Weather | 11°C (52°F) | 45 mm (1.8 inches) | 82% | moderate |
| October Weather | 5°C (41°F) | 35 mm (1.4 inches) | 88% | moderate |
| November Weather | -4°C (25°F) | 21 mm (0.8 inches) | 92% | low |
| December Weather | -11°C (13°F) | 24 mm (0.9 inches) | 90% | low |