Last updated: June 24, 2025
In September, the average temperature in La Porte City, United States hovers around 19°C (67°F). Expect a minimum of 3°C (37°F) and a pleasant maximum of 33°C (92°F). During this month, the area experiences approximately 119 mm (4.7 in) of precipitation spread over 9 days, contributing to an average humidity level of 74%.
In September in La Porte City, the average temperature is 19°C (67°F). The maximum can reach 33°C (92°F), while the minimum can drop to as low as 3°C (37°F). This makes it a great time to travel for those who enjoy mild weather during the day but can also appreciate refreshing cool nights.
In La Porte City in September, the precipitation amount is 119 mm (4.7 in) occurring over a span of 9 days.
In La Porte City in September, humidity is 74%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling, often leading travelers to seek shade and hydrate frequently.
In La Porte 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 La Porte City.
UV Risk Categories
Weather in La Porte City varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in La Porte City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 44 mm (1.7 inches) | 84% | moderate |
| February Weather | -6°C (22°F) | 51 mm (2.0 inches) | 85% | moderate |
| March Weather | 3°C (37°F) | 71 mm (2.8 inches) | 84% | high |
| April Weather | 9°C (48°F) | 81 mm (3.2 inches) | 83% | very high |
| May Weather | 16°C (61°F) | 168 mm (6.6 inches) | 75% | very high |
| June Weather | 23°C (73°F) | 145 mm (5.7 inches) | 79% | extreme |
| July Weather | 24°C (75°F) | 107 mm (4.2 inches) | 75% | very high |
| August Weather | 22°C (72°F) | 74 mm (2.9 inches) | 69% | very high |
| September Weather | 19°C (67°F) | 119 mm (4.7 inches) | 74% | very high |
| October Weather | 11°C (52°F) | 144 mm (5.7 inches) | 79% | moderate |
| November Weather | 3°C (37°F) | 46 mm (1.8 inches) | 88% | moderate |
| December Weather | -1°C (30°F) | 37 mm (1.4 inches) | 82% | moderate |