September Weather in Dutch Harbor

Last updated: March 2, 2024

The weather in Dutch Harbor, United States, during September is characterized by an average temperature of 9°C (48°F). Highs can soar to 12°C (55°F), while lows may dip to 5°C (42°F). Typically, the humidity level in Dutch Harbor throughout September hovers around 86%.

5°C (42°F)

Minimum temperature

9°C (48°F)

Average temperature

12°C (55°F)

Maximum temperature

86%

Humidity

Precipitation and Sunshine hours

In September, Dutch Harbor averages 106 mm (4.2 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 35 minutes of daylight, with the sun shining for approximately 6 hours 14 minutes each day. Additionally, there is a 20% probability of sunny days during this period.

106 mm (4.2 inches)

Precipitation

18 rainy days

Rainy days

6 hours 14 minutes

Sunshine hours

20%

Chance of sun

UV Index

In September, the UV Index in Dutch Harbor reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 0 1 1 2 3 4 5 5 4 4 3 2
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

Compare Dutch Harbor's Climate with Cities Worldwide