Last updated: June 24, 2025
In September, the average temperature in Spring Green, United States hovers around 18°C (65°F). Visitors can expect a minimum chill of 2°C (36°F), while highs can reach up to 33°C (92°F). With an average precipitation of 117 mm (4.6 in) spread over 10 days and a humidity level of 74%, it's a month that showcases the region's varied climate. Be prepared for a mix of weather conditions!
In September, in Spring Green, 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 Spring Green an ideal destination for travelers seeking both warm days and cool nights.
In Spring Green in September, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.
In Spring Green in September humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.
In Spring Green 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 Spring Green.
UV Risk Categories
Weather in Spring Green varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Spring Green, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 45 mm (1.8 inches) | 84% | low |
| February Weather | -6°C (22°F) | 55 mm (2.2 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 56 mm (2.2 inches) | 84% | moderate |
| April Weather | 8°C (46°F) | 85 mm (3.4 inches) | 83% | very high |
| May Weather | 15°C (60°F) | 130 mm (5.1 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 113 mm (4.4 inches) | 79% | very high |
| July Weather | 24°C (75°F) | 95 mm (3.7 inches) | 75% | very high |
| August Weather | 22°C (71°F) | 106 mm (4.2 inches) | 69% | very high |
| September Weather | 18°C (65°F) | 117 mm (4.6 inches) | 74% | very high |
| October Weather | 10°C (51°F) | 114 mm (4.5 inches) | 79% | moderate |
| November Weather | 2°C (36°F) | 45 mm (1.8 inches) | 88% | moderate |
| December Weather | -2°C (29°F) | 43 mm (1.7 inches) | 82% | low |