Last updated: June 24, 2025
In September, the average temperature in Hartford City, United States is a pleasant 20°C (69°F). Expect temperatures to range from a chilly 4°C (40°F) to a warm 33°C (91°F). During this month, you'll encounter approximately 73 mm (2.9 in) of precipitation over about 8 days, with an average humidity of 78%. Enjoy the diverse weather while exploring!
In September in Hartford City, the average temperature is 20°C (69°F). Maximum temperatures can reach 33°C (91°F), while minimum temperatures can drop as low as 4°C (40°F). This range of temperatures makes Hartford City a great destination for outdoor activities and versatile wardrobe choices during your travels.
In Hartford City in September, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.
In Hartford City in September, humidity is 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.
In Hartford City 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 Hartford City.
UV Risk Categories
Weather in Hartford City varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hartford City, 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) | 85% | moderate |
| February Weather | 0°C (32°F) | 87 mm (3.4 inches) | 85% | moderate |
| March Weather | 5°C (42°F) | 103 mm (4.1 inches) | 86% | high |
| April Weather | 10°C (51°F) | 94 mm (3.7 inches) | 87% | very high |
| May Weather | 17°C (63°F) | 127 mm (5.0 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 112 mm (4.4 inches) | 82% | extreme |
| July Weather | 24°C (76°F) | 105 mm (4.1 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 99 mm (3.9 inches) | 79% | very high |
| September Weather | 20°C (69°F) | 73 mm (2.9 inches) | 78% | very high |
| October Weather | 14°C (57°F) | 100 mm (3.9 inches) | 81% | high |
| November Weather | 5°C (42°F) | 82 mm (3.2 inches) | 89% | moderate |
| December Weather | 2°C (35°F) | 68 mm (2.7 inches) | 86% | low |