Last updated: June 24, 2025
In September, the average temperature in East Ithaca, United States is a pleasant 17°C (64°F). Visitors can expect a range, with minimums dipping to 1°C (34°F) and daytime highs reaching up to 33°C (91°F). Prepare for some rain, as the area experiences about 91 mm (3.6 in) of precipitation over 9 days, coupled with an average humidity of 78%. Enjoy the comfortable yet variable weather as you explore!
In September in East Ithaca, the average temperature is 17°C (64°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 1°C (34°F). This varying climate makes it essential to pack layers for your travels to East Ithaca.
In East Ithaca in September, the precipitation amount is 91 mm (3.6 in) spread over 9 days.
In East Ithaca in September humidity is 78%. With average temperature 17°C (64°F), this humidity feels like a warm embrace, making travel feel sticky and heavy, as the air wraps around you and the moments spent outdoors leave you longing for a cool respite.
In East Ithaca 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 Ithaca.
UV Risk Categories
Weather in East Ithaca varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in East Ithaca, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 82 mm (3.2 inches) | 90% | moderate |
| February Weather | -2°C (28°F) | 89 mm (3.5 inches) | 90% | moderate |
| March Weather | 1°C (34°F) | 85 mm (3.4 inches) | 87% | high |
| April Weather | 8°C (46°F) | 118 mm (4.6 inches) | 88% | very high |
| May Weather | 14°C (58°F) | 127 mm (5.0 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 95 mm (3.7 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 146 mm (5.8 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 100 mm (3.9 inches) | 76% | very high |
| September Weather | 17°C (64°F) | 91 mm (3.6 inches) | 78% | very high |
| October Weather | 12°C (53°F) | 150 mm (5.9 inches) | 84% | high |
| November Weather | 4°C (39°F) | 95 mm (3.7 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 97 mm (3.8 inches) | 86% | low |