Last updated: June 24, 2025
The average temperature in Montague, United States during September is a comfortable 18°C (65°F). You can expect temperatures to range from a chilly 2°C (36°F) to a warm 33°C (92°F). With precipitation totaling 105 mm (4.1 in) spread over 10 days, be prepared for some rain. Additionally, the average humidity sits at a high 79%, adding to the overall atmosphere of the season.
In September, in Montague, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 2°C (36°F). This temperature range makes Montague an ideal destination for travelers seeking both warm days and cool nights.
In Montague in September, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.
In Montague in September, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.
In Montague 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 Montague.
UV Risk Categories
Weather in Montague varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Montague, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 61 mm (2.4 inches) | 87% | low |
| February Weather | -3°C (27°F) | 63 mm (2.5 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 63 mm (2.5 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 105 mm (4.2 inches) | 87% | very high |
| May Weather | 14°C (58°F) | 122 mm (4.8 inches) | 82% | very high |
| June Weather | 20°C (68°F) | 120 mm (4.7 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 63 mm (2.5 inches) | 78% | very high |
| August Weather | 22°C (72°F) | 92 mm (3.6 inches) | 79% | very high |
| September Weather | 18°C (65°F) | 105 mm (4.1 inches) | 79% | high |
| October Weather | 11°C (52°F) | 129 mm (5.1 inches) | 82% | moderate |
| November Weather | 4°C (39°F) | 65 mm (2.6 inches) | 87% | moderate |
| December Weather | 0°C (32°F) | 67 mm (2.6 inches) | 86% | low |