Last updated: June 24, 2025
In September, the average temperature in East Machias, United States is a pleasant 16°C (61°F), with minimums dipping to 4°C (40°F) and maximums reaching up to 27°C (81°F). Expect around 93 mm (3.7 in) of precipitation over approximately 9 days, contributing to an average humidity level of 77% that keeps the atmosphere refreshingly crisp.
In September in East Machias, the average temperature is 16°C (61°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as 4°C (40°F). This makes it a diverse climate suitable for both outdoor activities and cooler evenings, perfect for travelers seeking a varied experience.
In East Machias in September, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.
In East Machias in September humidity is 77%. With an average temperature of 16°C (61°F), this humidity feels like a slight heaviness in the air, making every step feel a touch more effortful while traveling. The dampness clings to your skin, adding a layer of discomfort, yet the mild temperature invites you to explore the surroundings, blending the challenge of the humidity with an opportunity for a refreshing adventure.
In East Machias 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 East Machias.
UV Risk Categories
Weather in East Machias varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in East Machias, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 107 mm (4.2 inches) | 88% | low |
| February Weather | -3°C (27°F) | 98 mm (3.8 inches) | 88% | moderate |
| March Weather | 0°C (32°F) | 78 mm (3.1 inches) | 85% | moderate |
| April Weather | 6°C (42°F) | 135 mm (5.3 inches) | 81% | high |
| May Weather | 10°C (51°F) | 109 mm (4.3 inches) | 76% | very high |
| June Weather | 15°C (60°F) | 94 mm (3.7 inches) | 74% | very high |
| July Weather | 19°C (66°F) | 82 mm (3.2 inches) | 74% | very high |
| August Weather | 19°C (66°F) | 79 mm (3.1 inches) | 74% | very high |
| September Weather | 16°C (61°F) | 93 mm (3.7 inches) | 77% | high |
| October Weather | 11°C (52°F) | 114 mm (4.5 inches) | 82% | moderate |
| November Weather | 4°C (40°F) | 140 mm (5.5 inches) | 85% | moderate |
| December Weather | -1°C (30°F) | 138 mm (5.5 inches) | 84% | low |