Last updated: June 24, 2025
In September, the average temperature in Montgomery, United States is a comfortable 15°C (60°F). However, be prepared for a range of temperatures; it can drop as low as -4°C (26°F) or soar up to 31°C (88°F). During this month, you can expect about 84 mm (3.3 in) of precipitation spread over 10 days, with an average humidity of 78%, creating a pleasant atmosphere for your activities.
In September in Montgomery, the average temperature is 15°C (60°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -4°C (26°F). Travelers should be prepared for a wide temperature range and pack accordingly for both warm and cool conditions.
In Montgomery in September, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.
In Montgomery in September, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.
In Montgomery 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 Montgomery.
UV Risk Categories
Weather in Montgomery varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Montgomery, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 96 mm (3.8 inches) | 93% | low |
| February Weather | -6°C (21°F) | 92 mm (3.6 inches) | 92% | moderate |
| March Weather | -2°C (29°F) | 93 mm (3.7 inches) | 86% | moderate |
| April Weather | 6°C (42°F) | 122 mm (4.8 inches) | 85% | high |
| May Weather | 13°C (56°F) | 108 mm (4.3 inches) | 80% | very high |
| June Weather | 18°C (64°F) | 117 mm (4.6 inches) | 74% | very high |
| July Weather | 21°C (70°F) | 129 mm (5.1 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 118 mm (4.6 inches) | 75% | very high |
| September Weather | 15°C (60°F) | 84 mm (3.3 inches) | 78% | high |
| October Weather | 9°C (49°F) | 158 mm (6.2 inches) | 86% | moderate |
| November Weather | 1°C (34°F) | 132 mm (5.2 inches) | 88% | moderate |
| December Weather | -5°C (24°F) | 90 mm (3.6 inches) | 89% | low |