Last updated: June 24, 2025
In Townsend, United States, the average temperature in September hovers around 13°C (56°F), creating a pleasant atmosphere for outdoor activities. However, be prepared for temperature extremes, as it can dip to a chilly -3°C (26°F) or rise to a warm 34°C (93°F). Expect about 38 mm (1.5 in) of precipitation over 6 days, and enjoy the moderate average humidity of 68%, adding to the region's charming climate.
In September in Townsend, the average temperature is 13°C (56°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as -3°C (26°F). Be prepared for a wide range of weather conditions when traveling to Townsend during this month.
In Townsend in September, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.
In Townsend in September humidity is 68%. With an average temperature of 13°C (56°F), this humidity feels like a cool, damp embrace that can make walking around feel heavier and more exhausting, though the crisp air can be refreshing if you dress warmly enough for your travels.
In Townsend in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Townsend.
UV Risk Categories
Weather in Townsend varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Townsend, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 21 mm (0.8 inches) | 87% | moderate |
| February Weather | -9°C (16°F) | 47 mm (1.9 inches) | 88% | moderate |
| March Weather | -2°C (29°F) | 34 mm (1.3 inches) | 83% | high |
| April Weather | 3°C (37°F) | 65 mm (2.6 inches) | 78% | very high |
| May Weather | 9°C (49°F) | 81 mm (3.2 inches) | 76% | very high |
| June Weather | 15°C (59°F) | 92 mm (3.6 inches) | 78% | extreme |
| July Weather | 19°C (67°F) | 32 mm (1.2 inches) | 77% | very high |
| August Weather | 19°C (66°F) | 34 mm (1.3 inches) | 71% | very high |
| September Weather | 13°C (56°F) | 38 mm (1.5 inches) | 68% | very high |
| October Weather | 4°C (40°F) | 39 mm (1.5 inches) | 72% | moderate |
| November Weather | -2°C (29°F) | 33 mm (1.3 inches) | 84% | moderate |
| December Weather | -7°C (19°F) | 29 mm (1.1 inches) | 90% | low |