Last updated: June 24, 2025
In September, the average temperature in East Galesburg, United States hovers around 20°C (69°F). Expect a minimum of 5°C (42°F) and a potential maximum of 34°C (94°F). During this month, precipitation averages 99 mm (3.9 in) across 8 days, while the air carries a humidity level of approximately 78%.
In September in East Galesburg, the average temperature is 20°C (69°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 5°C (42°F). Be sure to pack for a range of weather conditions, from warm days to cooler evenings, as you explore East Galesburg.
In East Galesburg in September, the precipitation amount is 99 mm (3.9 in) spread over 8 days.
In East Galesburg 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 East Galesburg 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 East Galesburg.
UV Risk Categories
Weather in East Galesburg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in East Galesburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 57 mm (2.2 inches) | 81% | moderate |
| February Weather | -2°C (28°F) | 65 mm (2.6 inches) | 81% | moderate |
| March Weather | 5°C (41°F) | 105 mm (4.1 inches) | 81% | high |
| April Weather | 10°C (50°F) | 111 mm (4.4 inches) | 82% | very high |
| May Weather | 17°C (63°F) | 160 mm (6.3 inches) | 78% | very high |
| June Weather | 23°C (74°F) | 152 mm (6.0 inches) | 81% | extreme |
| July Weather | 25°C (77°F) | 108 mm (4.2 inches) | 79% | very high |
| August Weather | 23°C (74°F) | 67 mm (2.6 inches) | 77% | very high |
| September Weather | 20°C (69°F) | 99 mm (3.9 inches) | 78% | very high |
| October Weather | 13°C (55°F) | 126 mm (5.0 inches) | 78% | high |
| November Weather | 4°C (40°F) | 52 mm (2.1 inches) | 87% | moderate |
| December Weather | 1°C (33°F) | 50 mm (2.0 inches) | 84% | low |