Last updated: June 24, 2025
In James Town, United States, the average temperature in September hovers around 16°C (62°F). However, temperatures can oscillate between a minimum of -2°C (29°F) and a maximum of 33°C (93°F). During this month, you can expect about 19 mm (0.7 in) of precipitation spread out over 3 days, with an average humidity level of 50%. Stay prepared for a range of weather conditions!
In September in James Town, the average temperature is 16°C (62°F), with maximums reaching 33°C (93°F) and minimums dropping as low as -2°C (29°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!
In James Town in September, the precipitation amount is 19 mm (0.7 in) over a period of 3 days.
In James Town in September, humidity is 50%. With an average temperature of 16°C (62°F), this humidity feels like a refreshing breeze that keeps you comfortable while exploring the sights, making it an ideal time for leisurely walks and outdoor activities.
In James Town 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 James Town.
UV Risk Categories
Weather in James Town varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in James Town, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 24 mm (0.9 inches) | 92% | moderate |
| February Weather | -6°C (22°F) | 24 mm (1.0 inches) | 93% | high |
| March Weather | 0°C (32°F) | 41 mm (1.6 inches) | 85% | high |
| April Weather | 5°C (42°F) | 38 mm (1.5 inches) | 73% | very high |
| May Weather | 11°C (53°F) | 44 mm (1.7 inches) | 64% | extreme |
| June Weather | 19°C (66°F) | 15 mm (0.6 inches) | 57% | extreme |
| July Weather | 23°C (74°F) | 7 mm (0.3 inches) | 45% | extreme |
| August Weather | 22°C (72°F) | 11 mm (0.4 inches) | 41% | extreme |
| September Weather | 16°C (62°F) | 19 mm (0.7 inches) | 50% | very high |
| October Weather | 7°C (44°F) | 21 mm (0.8 inches) | 70% | high |
| November Weather | 1°C (34°F) | 23 mm (0.9 inches) | 84% | moderate |
| December Weather | -6°C (22°F) | 22 mm (0.9 inches) | 90% | moderate |