Last updated: June 24, 2025
In Phillipston, United States, the average temperature in September hovers around 18°C (65°F), with a minimum drop to 2°C (35°F) and a maximum reach of 33°C (91°F). Expect about 85 mm (3.4 in) of precipitation spread over 8 days, contributing to an average humidity of 71%. Whether you prefer the refreshing coolness or the warmth of sunny days, September has a little something for everyone!
In September in Phillipston, the average temperature is 18°C (65°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 2°C (35°F). Pack accordingly for a varied climate to fully enjoy your trip to Phillipston.
In Phillipston in September, the precipitation amount is 85 mm (3.4 in) over the course of 8 days.
In Phillipston in September humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.
In Phillipston 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 Phillipston.
UV Risk Categories
Weather in Phillipston varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Phillipston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 75 mm (3.0 inches) | 86% | moderate |
| February Weather | -1°C (30°F) | 89 mm (3.5 inches) | 84% | moderate |
| March Weather | 2°C (35°F) | 83 mm (3.3 inches) | 82% | high |
| April Weather | 8°C (46°F) | 126 mm (5.0 inches) | 80% | very high |
| May Weather | 14°C (58°F) | 90 mm (3.6 inches) | 72% | very high |
| June Weather | 20°C (68°F) | 78 mm (3.1 inches) | 72% | very high |
| July Weather | 23°C (73°F) | 135 mm (5.3 inches) | 67% | very high |
| August Weather | 22°C (72°F) | 80 mm (3.1 inches) | 66% | very high |
| September Weather | 18°C (65°F) | 85 mm (3.4 inches) | 71% | very high |
| October Weather | 12°C (54°F) | 133 mm (5.2 inches) | 78% | high |
| November Weather | 4°C (40°F) | 98 mm (3.9 inches) | 84% | moderate |
| December Weather | -1°C (31°F) | 123 mm (4.8 inches) | 81% | low |