Last updated: June 24, 2025
In September, the average temperature in Ipswich, United States hovers around 17°C (62°F). Expect a range of temperatures, with a minimum of 1°C (34°F) and a scorching maximum of 35°C (95°F). Throughout the month, precipitation totals around 82 mm (3.2 in), typically spread across 7 days. Additionally, the average humidity is a comfortable 77%, making this month an inviting yet unpredictable one for adventures!
In September in Ipswich, the average temperature is 17°C (62°F). Maximums can reach 35°C (95°F), and minimums can be as low as 1°C (34°F). It's wise to pack for both warm and cool conditions when traveling during this month.
In Ipswich in September, the precipitation amount is 82 mm (3.2 in) over the course of 7 days.
In Ipswich in September humidity is 77%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, creating a lush, almost tropical atmosphere that can be quite stifling for traveling, making it essential to stay hydrated and take frequent breaks in the shade.
In Ipswich 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 Ipswich.
UV Risk Categories
Weather in Ipswich varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ipswich, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 15 mm (0.6 inches) | 81% | moderate |
| February Weather | -10°C (14°F) | 17 mm (0.7 inches) | 85% | moderate |
| March Weather | -1°C (31°F) | 32 mm (1.3 inches) | 76% | moderate |
| April Weather | 5°C (41°F) | 47 mm (1.8 inches) | 79% | high |
| May Weather | 14°C (57°F) | 56 mm (2.2 inches) | 76% | very high |
| June Weather | 22°C (71°F) | 76 mm (3.0 inches) | 81% | very high |
| July Weather | 23°C (75°F) | 70 mm (2.7 inches) | 82% | very high |
| August Weather | 21°C (70°F) | 105 mm (4.1 inches) | 82% | very high |
| September Weather | 17°C (62°F) | 82 mm (3.2 inches) | 77% | very high |
| October Weather | 7°C (45°F) | 70 mm (2.7 inches) | 76% | moderate |
| November Weather | 0°C (32°F) | 13 mm (0.5 inches) | 84% | moderate |
| December Weather | -5°C (23°F) | 28 mm (1.1 inches) | 81% | low |