Last updated: June 24, 2025
In September, the average temperature in Morning Sun, United States hovers around 21°C (70°F), making it a pleasant time to visit. Expect temperatures to range from a cool 6°C (44°F) to a warm 35°C (95°F). With an average precipitation of 104 mm (4.1 in) spread across 8 days, a light drizzle might accompany you during your stay. Keep in mind the average humidity level of 78%, which can add a touch of mugginess to the air!
In September in Morning Sun, the average temperature is 21°C (70°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 6°C (44°F). This varied climate makes Morning Sun an ideal destination for travelers looking to experience both warm and cool weather during their visit.
In Morning Sun, in September, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.
In Morning Sun in September, humidity is 78%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it important to stay hydrated and take frequent breaks from outdoor activities.
In Morning Sun 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 Morning Sun.
UV Risk Categories
Weather in Morning Sun varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Morning Sun, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 54 mm (2.1 inches) | 81% | moderate |
| February Weather | -3°C (28°F) | 60 mm (2.4 inches) | 81% | moderate |
| March Weather | 5°C (42°F) | 95 mm (3.7 inches) | 81% | high |
| April Weather | 10°C (51°F) | 88 mm (3.5 inches) | 82% | very high |
| May Weather | 18°C (64°F) | 166 mm (6.5 inches) | 78% | very high |
| June Weather | 24°C (75°F) | 141 mm (5.5 inches) | 81% | extreme |
| July Weather | 25°C (78°F) | 74 mm (2.9 inches) | 79% | very high |
| August Weather | 24°C (75°F) | 71 mm (2.8 inches) | 77% | very high |
| September Weather | 21°C (70°F) | 104 mm (4.1 inches) | 78% | very high |
| October Weather | 13°C (55°F) | 130 mm (5.1 inches) | 78% | high |
| November Weather | 4°C (40°F) | 51 mm (2.0 inches) | 87% | moderate |
| December Weather | 1°C (33°F) | 47 mm (1.8 inches) | 84% | low |