Last updated: June 24, 2025
In September, the average temperature in Prudhoe Bay, United States hovers around 2°C (37°F). Be prepared for chilly days, as temperatures can dip to a brisk -5°C (23°F) and occasionally soar to a mild 16°C (61°F). Expect about 45 mm (1.8 in) of precipitation spread across 9 days, contributing to an average humidity level of 92%. Stay cozy and enjoy the unique atmosphere of this season!
In September in Prudhoe Bay, the average temperature is 2°C (37°F). The maximum can reach 16°C (61°F), while the minimum can drop as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.
In Prudhoe Bay in September, the precipitation amount is 45 mm (1.8 in) spread over 9 days.
In Prudhoe Bay in September humidity is 92%. With an average temperature of 2°C (37°F), this humidity feels like a chilling embrace that clings to your skin, making every step feel heavier and wrapping you in a damp shroud, which can be quite uncomfortable for traveling.
In Prudhoe Bay in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Prudhoe Bay, you can check the information here.
UV Risk Categories
Weather in Prudhoe Bay varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Prudhoe Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -24°C (-12°F) | 11 mm (0.4 inches) | 99% | low |
| February Weather | -25°C (-12°F) | 19 mm (0.7 inches) | 97% | low |
| March Weather | -20°C (-3°F) | 16 mm (0.6 inches) | 96% | low |
| April Weather | -14°C (8°F) | 12 mm (0.5 inches) | 93% | moderate |
| May Weather | -3°C (27°F) | 12 mm (0.5 inches) | 88% | moderate |
| June Weather | 3°C (37°F) | 17 mm (0.7 inches) | 83% | moderate |
| July Weather | 7°C (45°F) | 59 mm (2.3 inches) | 89% | moderate |
| August Weather | 5°C (42°F) | 71 mm (2.8 inches) | 90% | moderate |
| September Weather | 2°C (37°F) | 45 mm (1.8 inches) | 92% | moderate |
| October Weather | -4°C (25°F) | 27 mm (1.1 inches) | 93% | low |
| November Weather | -13°C (9°F) | 25 mm (1.0 inches) | 97% | low |
| December Weather | -21°C (-5°F) | 19 mm (0.8 inches) | 99% | low |