Last updated: June 24, 2025
In New Hope, United States, the average temperature in September hovers around 17°C (63°F). Expect a minimum of 1°C (34°F) and a maximum that can soar to 37°C (99°F). Rainfall is moderate, with an average precipitation of 33 mm (1.3 in) spread across 5 days. You'll find the air to be fairly humid, with an average humidity level of 66%. Prepare accordingly for a month of varied weather!
In September in New Hope, the average temperature is 17°C (63°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 1°C (34°F). This makes it a versatile time for travelers, offering both warm and cooler conditions to suit various outdoor activities.
In New Hope in September, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.
In New Hope in September, humidity is 66%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel refreshing yet slightly muggy, perfect for leisurely strolls or picturesque outdoor explorations, but travelers should be prepared for occasional discomfort as they navigate the vibrant sights.
In New Hope 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 New Hope.
UV Risk Categories
Weather in New Hope varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in New Hope, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 150 mm (5.9 inches) | 84% | moderate |
| February Weather | 4°C (40°F) | 155 mm (6.1 inches) | 85% | moderate |
| March Weather | 6°C (44°F) | 112 mm (4.4 inches) | 86% | high |
| April Weather | 9°C (49°F) | 91 mm (3.6 inches) | 83% | very high |
| May Weather | 13°C (56°F) | 57 mm (2.3 inches) | 83% | very high |
| June Weather | 18°C (64°F) | 21 mm (0.8 inches) | 83% | extreme |
| July Weather | 22°C (71°F) | 3 mm (0.1 inches) | 78% | very high |
| August Weather | 21°C (71°F) | 6 mm (0.3 inches) | 67% | very high |
| September Weather | 17°C (63°F) | 33 mm (1.3 inches) | 66% | very high |
| October Weather | 11°C (53°F) | 42 mm (1.6 inches) | 77% | high |
| November Weather | 7°C (44°F) | 96 mm (3.8 inches) | 87% | moderate |
| December Weather | 3°C (38°F) | 121 mm (4.8 inches) | 87% | low |