Last updated: August 27, 2025
In Svetogorsk, Russian Federation, the average temperature in September hovers around 11°C (53°F). Expect a range from a chilly 0°C (32°F) to a warm 24°C (75°F). During this month, precipitation is notable, with 69 mm (2.7 in) of rainfall over approximately 12 days. It's worth noting that the average humidity sits at a high 90%, creating a uniquely damp atmosphere.
In September in Svetogorsk, the average temperature is 11°C (53°F). Maximums can reach 24°C (75°F) and minimums can be as low as 0°C (32°F). This range makes it a perfect time to enjoy outdoor activities while preparing for cool evenings.
In Svetogorsk in September, the precipitation amount is 69 mm (2.7 in) over the span of 12 days.
In Svetogorsk in September, humidity is 90%. With an average temperature of 11°C (53°F), this humidity feels like a heavy cloak, making traveling feel sticky and exhausting, as the dampness clings to your skin and the chill in the air sharpens the discomfort, leaving you longing for a breath of fresh, dry air.
In Svetogorsk in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Svetogorsk, you can check the information here.
UV Risk Categories
Weather in Svetogorsk varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Svetogorsk, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 48 mm (1.9 inches) | 98% | low |
| February Weather | -5°C (23°F) | 56 mm (2.2 inches) | 96% | low |
| March Weather | -2°C (29°F) | 49 mm (1.9 inches) | 93% | moderate |
| April Weather | 3°C (38°F) | 48 mm (1.9 inches) | 88% | moderate |
| May Weather | 10°C (50°F) | 51 mm (2.0 inches) | 77% | moderate |
| June Weather | 16°C (62°F) | 49 mm (1.9 inches) | 75% | high |
| July Weather | 18°C (64°F) | 71 mm (2.8 inches) | 82% | high |
| August Weather | 16°C (61°F) | 85 mm (3.3 inches) | 84% | moderate |
| September Weather | 11°C (53°F) | 69 mm (2.7 inches) | 90% | moderate |
| October Weather | 6°C (43°F) | 73 mm (2.9 inches) | 93% | low |
| November Weather | 2°C (36°F) | 48 mm (1.9 inches) | 93% | low |
| December Weather | -3°C (27°F) | 75 mm (3.0 inches) | 95% | low |