Last updated: June 24, 2025
In New London, United States, the average temperature in September hovers around 23°C (74°F), creating a pleasant climate for outdoor activities. The temperature can dip as low as 7°C (46°F) and soar to a maximum of 35°C (96°F), offering a diverse range of weather experiences. Expect about 154 mm (6.1 in) of precipitation spread across 10 days, contributing to an average humidity of 75%. Perfect for those who appreciate a little warmth and the occasional refreshing rain!
In September in New London, the average temperature is 23°C (74°F). Maximums can reach 35°C (96°F) and minimums can be as low as 7°C (46°F). This makes New London a great destination for travelers seeking warm days and cooler evenings.
In New London in September, the precipitation amount is 154 mm (6.1 in) over a span of 10 days.
In New London in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.
In New London in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in New London.
UV Risk Categories
Weather in New London varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in New London, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 6°C (43°F) | 95 mm (3.7 inches) | 86% | moderate |
February Weather | 9°C (49°F) | 116 mm (4.6 inches) | 85% | high |
March Weather | 12°C (53°F) | 84 mm (3.3 inches) | 84% | very high |
April Weather | 16°C (62°F) | 103 mm (4.0 inches) | 82% | very high |
May Weather | 21°C (71°F) | 119 mm (4.7 inches) | 83% | very high |
June Weather | 24°C (76°F) | 101 mm (4.0 inches) | 82% | extreme |
July Weather | 27°C (80°F) | 102 mm (4.0 inches) | 80% | very high |
August Weather | 26°C (78°F) | 113 mm (4.4 inches) | 74% | very high |
September Weather | 23°C (74°F) | 154 mm (6.1 inches) | 75% | very high |
October Weather | 18°C (65°F) | 90 mm (3.6 inches) | 79% | very high |
November Weather | 10°C (51°F) | 87 mm (3.4 inches) | 87% | moderate |
December Weather | 8°C (47°F) | 115 mm (4.5 inches) | 87% | moderate |