Last updated: June 24, 2025
In September, the average temperature in Plattsburgh West, United States is a comfortable 17°C (62°F), with temperatures ranging from a brisk 2°C (36°F) to a warm 33°C (91°F). Expect about 73 mm (2.9 in) of precipitation over 9 days, contributing to an average humidity of 78%.
In September in Plattsburgh West, the average temperature is 17°C (62°F). Maximums can reach 33°C (91°F) while minimums can drop as low as 2°C (36°F). Be prepared for a wide range of temperatures when traveling during this time.
In Plattsburgh West in September, the precipitation amount is 73 mm (2.9 in), occurring over the course of 9 days.
In Plattsburgh West in September, humidity is 78%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping blanket, making travel feel a bit sticky and heavy but also refreshing, as long as you're prepared with light clothing and plenty of water.
In Plattsburgh West in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Plattsburgh West.
UV Risk Categories
Weather in Plattsburgh West varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Plattsburgh West, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 74 mm (2.9 inches) | 93% | low |
| February Weather | -5°C (23°F) | 74 mm (2.9 inches) | 92% | moderate |
| March Weather | -1°C (30°F) | 73 mm (2.9 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 107 mm (4.2 inches) | 85% | high |
| May Weather | 13°C (57°F) | 84 mm (3.3 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 106 mm (4.2 inches) | 74% | very high |
| July Weather | 22°C (72°F) | 118 mm (4.6 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 109 mm (4.3 inches) | 75% | very high |
| September Weather | 17°C (62°F) | 73 mm (2.9 inches) | 78% | high |
| October Weather | 10°C (51°F) | 139 mm (5.5 inches) | 86% | moderate |
| November Weather | 3°C (37°F) | 103 mm (4.0 inches) | 88% | moderate |
| December Weather | -3°C (28°F) | 73 mm (2.9 inches) | 89% | low |