Last updated: June 24, 2025
In September, the average temperature in Madison, United States is a warm 26°C (80°F), with a comfortable minimum of 14°C (58°F) and a sweltering maximum of 37°C (100°F). Be prepared for 113 mm (4.5 in) of rainfall spread over 13 days, contributing to a high average humidity of 83%. Enjoy the tropical vibe, but don't forget your umbrella!
In September, in Madison, the average temperature is 26°C (80°F), with maximums reaching 37°C (100°F) and minimums dropping as low as 14°C (58°F). This pleasant climate makes Madison an ideal destination for outdoor adventures and sightseeing during your travels.
In Madison in September, the precipitation amount is 113 mm (4.5 in) accumulated over 13 days.
In Madison in September humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.
In Madison in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Madison.
UV Risk Categories
Weather in Madison varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Madison, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 12°C (54°F) | 67 mm (2.6 inches) | 85% | moderate |
February Weather | 15°C (60°F) | 85 mm (3.3 inches) | 82% | very high |
March Weather | 17°C (64°F) | 46 mm (1.8 inches) | 80% | very high |
April Weather | 20°C (69°F) | 78 mm (3.1 inches) | 76% | very high |
May Weather | 24°C (76°F) | 82 mm (3.2 inches) | 73% | extreme |
June Weather | 26°C (80°F) | 156 mm (6.2 inches) | 74% | extreme |
July Weather | 27°C (81°F) | 161 mm (6.3 inches) | 80% | extreme |
August Weather | 27°C (81°F) | 145 mm (5.7 inches) | 79% | extreme |
September Weather | 26°C (80°F) | 113 mm (4.5 inches) | 83% | very high |
October Weather | 23°C (74°F) | 68 mm (2.7 inches) | 77% | very high |
November Weather | 16°C (61°F) | 54 mm (2.1 inches) | 84% | high |
December Weather | 14°C (57°F) | 114 mm (4.5 inches) | 88% | moderate |