Last updated: August 27, 2025
In September, the average temperature in Olenyok, Russian Federation hovers around 4°C (40°F). Expect the temperature to dip to a chilly -8°C (18°F) at its lowest and occasionally rise to a mild 19°C (67°F) at the peak. Be prepared for rainy days, as the area receives approximately 40 mm (1.6 in) of precipitation over 10 days, and don't forget to grab your umbrella while you're out, with an average humidity of a sweltering 93%!
In September in Olenyok, the average temperature is 4°C (40°F). Maximum temperatures can reach 19°C (67°F), while the minimum can drop as low as -8°C (18°F). Be prepared for a mix of chilly days and milder spells, making it essential to pack layers for your travel.
In Olenyok in September, the precipitation amount is 40 mm (1.6 in) over a span of 10 days.
In Olenyok in September, humidity is 93%. With an average temperature of 4°C (40°F), this humidity feels like a cold, damp blanket wrapping around you, making travel uncomfortable and requiring extra layers to stay warm, as every step can feel heavy in the thick, moisture-laden air.
In Olenyok in September, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Olenyok, you can visit Hourly UV Index in Olenyok.
UV Risk Categories
Weather in Olenyok varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Olenyok, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -34°C (-29°F) | 9 mm (0.4 inches) | 100% | low |
| February Weather | -32°C (-25°F) | 9 mm (0.4 inches) | 99% | low |
| March Weather | -22°C (-7°F) | 17 mm (0.7 inches) | 95% | low |
| April Weather | -9°C (16°F) | 29 mm (1.2 inches) | 90% | moderate |
| May Weather | 0°C (32°F) | 37 mm (1.5 inches) | 80% | moderate |
| June Weather | 15°C (60°F) | 47 mm (1.8 inches) | 81% | moderate |
| July Weather | 15°C (59°F) | 67 mm (2.6 inches) | 83% | moderate |
| August Weather | 13°C (56°F) | 39 mm (1.6 inches) | 88% | moderate |
| September Weather | 4°C (40°F) | 40 mm (1.6 inches) | 93% | low |
| October Weather | -8°C (19°F) | 28 mm (1.1 inches) | 100% | low |
| November Weather | -25°C (-13°F) | 16 mm (0.6 inches) | 101% | low |
| December Weather | -34°C (-28°F) | 11 mm (0.4 inches) | 100% | low |