Last updated: August 27, 2025
In Tver, Russian Federation, the average temperature in September hovers around 12°C (54°F), showcasing a climate that can be quite variable. Expect minimums dipping to -1°C (31°F) and soaring to a pleasant 27°C (81°F). During this time, you'll encounter 66 mm (2.6 in) of precipitation spread over approximately 12 days, contributing to an overall average humidity of 90%—perfect for those who appreciate a lush, verdant atmosphere!
In September in Tver, the average temperature is 12°C (54°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -1°C (31°F). This variation in temperatures makes Tver a versatile destination for travelers, offering both warm and cool experiences throughout the month.
In Tver in September, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.
In Tver in September, humidity is 90%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and traveling a bit more draining than usual.
In Tver 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 Tver.
UV Risk Categories
Weather in Tver varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tver, 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 (23°F) | 41 mm (1.6 inches) | 95% | low |
| March Weather | -1°C (30°F) | 42 mm (1.7 inches) | 91% | moderate |
| April Weather | 5°C (42°F) | 45 mm (1.8 inches) | 86% | moderate |
| May Weather | 12°C (54°F) | 56 mm (2.2 inches) | 72% | high |
| June Weather | 17°C (63°F) | 70 mm (2.8 inches) | 77% | high |
| July Weather | 18°C (65°F) | 115 mm (4.5 inches) | 82% | high |
| August Weather | 17°C (63°F) | 69 mm (2.7 inches) | 82% | high |
| September Weather | 12°C (54°F) | 66 mm (2.6 inches) | 90% | moderate |
| October Weather | 7°C (44°F) | 67 mm (2.7 inches) | 92% | low |
| November Weather | 1°C (34°F) | 51 mm (2.0 inches) | 94% | low |
| December Weather | -4°C (26°F) | 59 mm (2.3 inches) | 93% | low |