Last updated: June 24, 2025
In Spencerville, United States, the average temperature in September hovers around 20°C (68°F), showcasing a pleasant climate. Expect minimum temperatures to dip to 1°C (34°F) and rise to a warm 36°C (97°F). During this month, you can anticipate about 30 mm (1.2 in) of precipitation spread over 5 days, with an average humidity of 59%. Enjoy the mild weather while staying prepared for occasional rain!
In September, in Spencerville, the average temperature is 20°C (68°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 1°C (34°F). Be prepared for a wide range of temperatures, and pack accordingly for your travels!
In Spencerville in September, the precipitation amount is 30 mm (1.2 in) over the course of 5 days.
In Spencerville in September, humidity is 59%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, creating a slightly muggy atmosphere that can be a bit stifling for outdoor activities, yet refreshing during cooler, shaded moments, making it ideal for leisurely sightseeing and exploration in the early mornings or late afternoons.
In Spencerville in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Spencerville.
UV Risk Categories
Weather in Spencerville varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Spencerville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 30 mm (1.2 inches) | 85% | moderate |
| February Weather | 1°C (34°F) | 33 mm (1.3 inches) | 86% | high |
| March Weather | 6°C (43°F) | 42 mm (1.7 inches) | 76% | very high |
| April Weather | 12°C (54°F) | 14 mm (0.5 inches) | 69% | extreme |
| May Weather | 17°C (63°F) | 22 mm (0.9 inches) | 53% | extreme |
| June Weather | 24°C (75°F) | 8 mm (0.3 inches) | 40% | extreme |
| July Weather | 26°C (79°F) | 26 mm (1.0 inches) | 36% | extreme |
| August Weather | 25°C (77°F) | 10 mm (0.4 inches) | 44% | extreme |
| September Weather | 20°C (68°F) | 30 mm (1.2 inches) | 59% | very high |
| October Weather | 12°C (53°F) | 27 mm (1.1 inches) | 74% | very high |
| November Weather | 5°C (42°F) | 18 mm (0.7 inches) | 83% | moderate |
| December Weather | -1°C (31°F) | 29 mm (1.2 inches) | 85% | moderate |