Last updated: August 27, 2025
In September, the average temperature in Staritsa, Russian Federation is a mild 12°C (54°F). However, you can expect a temperature range that dips to a chilly -2°C (29°F) at the lowest and can rise to a warm 27°C (81°F) at the highest. Be prepared for some rain, as the area experiences about 68 mm (2.7 in) of precipitation over 12 days. With an average humidity of 89%, it's a season that can feel quite damp, so don't forget your umbrella!
In September in Staritsa, the average temperature is 12°C (54°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -2°C (29°F). This range makes it an ideal time for travelers to experience a mix of mild and chilly weather, so be sure to pack accordingly for both warm and cool outings.
In Staritsa in September, the precipitation amount is 68 mm (2.7 in) over the course of 12 days.
In Staritsa in September humidity is 89%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that envelops you, making travels slightly uncomfortable as you navigate through a thick, moist air that can cling to your skin and steal your warmth.
In Staritsa 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 Staritsa.
UV Risk Categories
Weather in Staritsa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Staritsa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 41 mm (1.6 inches) | 97% | low |
| February Weather | -5°C (24°F) | 37 mm (1.5 inches) | 94% | low |
| March Weather | -1°C (31°F) | 42 mm (1.7 inches) | 90% | moderate |
| April Weather | 5°C (42°F) | 42 mm (1.7 inches) | 85% | moderate |
| May Weather | 12°C (54°F) | 55 mm (2.2 inches) | 71% | high |
| June Weather | 17°C (63°F) | 73 mm (2.9 inches) | 77% | high |
| July Weather | 18°C (64°F) | 109 mm (4.3 inches) | 82% | high |
| August Weather | 17°C (63°F) | 71 mm (2.8 inches) | 83% | high |
| September Weather | 12°C (54°F) | 68 mm (2.7 inches) | 89% | moderate |
| October Weather | 7°C (44°F) | 64 mm (2.5 inches) | 93% | moderate |
| November Weather | 1°C (34°F) | 46 mm (1.8 inches) | 94% | low |
| December Weather | -3°C (26°F) | 59 mm (2.3 inches) | 94% | low |