Last updated: June 24, 2025
In September, the average temperature in New Boston, United States is a pleasant 26°C (78°F). However, temperatures can vary significantly, with a minimum of 10°C (50°F) and a maximum soaring to 38°C (101°F). During this time, expect 80 mm (3.1 in) of rainfall spread over about 8 days, contributing to an average humidity level of 63%. Perfect for those who enjoy a mix of warmth and occasional rain!
In September in New Boston, the average temperature is 26°C (78°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 10°C (50°F). It’s a versatile climate that allows for both warm beach days and cooler evenings, making it an ideal destination for travelers seeking a range of outdoor activities.
In New Boston in September, the precipitation amount is 80 mm (3.1 in) over a period of 8 days.
In New Boston in September humidity is 63%. With an average temperature of 26°C (78°F), this humidity feels like a warm, tropical embrace, making outdoor activities pleasantly refreshing yet slightly sticky, perfect for leisurely strolls and beachside adventures.
In New Boston in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in New Boston.
UV Risk Categories
Weather in New Boston varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in New Boston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 104 mm (4.1 inches) | 82% | moderate |
| February Weather | 9°C (49°F) | 151 mm (6.0 inches) | 80% | high |
| March Weather | 15°C (59°F) | 134 mm (5.3 inches) | 78% | very high |
| April Weather | 17°C (63°F) | 217 mm (8.5 inches) | 79% | very high |
| May Weather | 23°C (73°F) | 172 mm (6.8 inches) | 81% | extreme |
| June Weather | 27°C (80°F) | 105 mm (4.1 inches) | 77% | extreme |
| July Weather | 28°C (83°F) | 77 mm (3.0 inches) | 72% | extreme |
| August Weather | 28°C (83°F) | 93 mm (3.7 inches) | 65% | extreme |
| September Weather | 26°C (78°F) | 80 mm (3.1 inches) | 63% | very high |
| October Weather | 19°C (67°F) | 120 mm (4.7 inches) | 70% | very high |
| November Weather | 13°C (55°F) | 68 mm (2.7 inches) | 82% | high |
| December Weather | 10°C (50°F) | 127 mm (5.0 inches) | 88% | moderate |