Last updated: June 24, 2025
In September, the average temperature in Greentown, United States hovers around 20°C (69°F). Expect minimum temperatures to dip to 4°C (40°F), while the maximum can soar to 33°C (92°F). Be prepared for rain, as the area receives an average precipitation of 69 mm (2.7 in) over about 8 days. With an average humidity of 78%, you might want to stay hydrated during your visit!
In September in Greentown, the average temperature is 20°C (69°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 4°C (40°F). This varied climate makes Greentown an ideal destination for travelers seeking both warmth and cooler experiences.
In Greentown in September, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.
In Greentown 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 Greentown 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 Greentown.
UV Risk Categories
Weather in Greentown varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Greentown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 77 mm (3.0 inches) | 85% | moderate |
| February Weather | 0°C (32°F) | 83 mm (3.3 inches) | 85% | moderate |
| March Weather | 5°C (42°F) | 106 mm (4.2 inches) | 86% | high |
| April Weather | 10°C (51°F) | 92 mm (3.6 inches) | 87% | very high |
| May Weather | 17°C (64°F) | 150 mm (5.9 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 110 mm (4.3 inches) | 82% | extreme |
| July Weather | 24°C (76°F) | 102 mm (4.0 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 109 mm (4.3 inches) | 79% | very high |
| September Weather | 20°C (69°F) | 69 mm (2.7 inches) | 78% | very high |
| October Weather | 14°C (57°F) | 103 mm (4.0 inches) | 81% | high |
| November Weather | 5°C (41°F) | 81 mm (3.2 inches) | 89% | moderate |
| December Weather | 2°C (35°F) | 67 mm (2.6 inches) | 86% | low |