Last updated: June 24, 2025
In September, the average temperature in Chapin, United States reaches a pleasant 21°C (71°F). However, be prepared for some variability, as temperatures can dip to a cool 6°C (42°F) at night or soar to a warm 34°C (94°F) during the day. Expect about 75 mm (2.9 in) of precipitation over approximately 7 days, complemented by an average humidity of 79%. Enjoy the diverse weather while exploring this enchanting destination!
In September in Chapin, the average temperature is 21°C (71°F). Maximums can reach 34°C (94°F) and minimums can drop as low as 6°C (42°F). This range makes Chapin an ideal destination for travelers seeking pleasant weather with the possibility of both warm days and cooler evenings.
In Chapin in September, the precipitation amount is 75 mm (2.9 in) over a span of 7 days.
In Chapin in September humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.
In Chapin 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 Chapin.
UV Risk Categories
Weather in Chapin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chapin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 76 mm (3.0 inches) | 84% | moderate |
| February Weather | 0°C (31°F) | 77 mm (3.0 inches) | 82% | moderate |
| March Weather | 6°C (43°F) | 123 mm (4.8 inches) | 84% | high |
| April Weather | 11°C (52°F) | 127 mm (5.0 inches) | 83% | very high |
| May Weather | 18°C (65°F) | 148 mm (5.8 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 109 mm (4.3 inches) | 83% | extreme |
| July Weather | 25°C (77°F) | 100 mm (3.9 inches) | 82% | very high |
| August Weather | 23°C (74°F) | 99 mm (3.9 inches) | 82% | very high |
| September Weather | 21°C (71°F) | 75 mm (2.9 inches) | 79% | very high |
| October Weather | 14°C (57°F) | 120 mm (4.7 inches) | 79% | high |
| November Weather | 5°C (42°F) | 72 mm (2.8 inches) | 88% | moderate |
| December Weather | 2°C (36°F) | 54 mm (2.1 inches) | 87% | moderate |