Last updated: June 24, 2025
In Tecumseh, United States, the average temperature in September hovers around 22°C (71°F). However, be prepared for a range, as temperatures can dip to a minimum of 7°C (44°F) and soar to a maximum of 33°C (92°F). During this month, you can expect about 65 mm (2.5 in) of precipitation over roughly 6 days, with an average humidity level of 79%.
In September in Tecumseh, the average temperature is 22°C (71°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 7°C (44°F). This makes Tecumseh an ideal destination for travelers seeking pleasant weather and the opportunity to experience a range of outdoor activities.
In Tecumseh in September, the precipitation amount is 65 mm (2.5 in) during a period of 6 days.
In Tecumseh in September humidity is 79%. With an average temperature of 22°C (71°F), this humidity feels like a warm, sticky embrace that can make any outdoor adventure quite challenging for traveling; it's advisable to stay hydrated and take breaks in the shade to fully enjoy the sights.
In Tecumseh 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 Tecumseh.
UV Risk Categories
Weather in Tecumseh varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tecumseh, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 83 mm (3.2 inches) | 84% | moderate |
| February Weather | 1°C (34°F) | 89 mm (3.5 inches) | 82% | moderate |
| March Weather | 7°C (44°F) | 128 mm (5.0 inches) | 84% | high |
| April Weather | 12°C (54°F) | 109 mm (4.3 inches) | 83% | very high |
| May Weather | 19°C (66°F) | 132 mm (5.2 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 108 mm (4.3 inches) | 83% | extreme |
| July Weather | 26°C (78°F) | 109 mm (4.3 inches) | 82% | very high |
| August Weather | 24°C (75°F) | 100 mm (4.0 inches) | 82% | very high |
| September Weather | 22°C (71°F) | 65 mm (2.5 inches) | 79% | very high |
| October Weather | 15°C (59°F) | 113 mm (4.5 inches) | 79% | high |
| November Weather | 6°C (43°F) | 92 mm (3.6 inches) | 88% | moderate |
| December Weather | 3°C (37°F) | 80 mm (3.1 inches) | 87% | moderate |