Big Delta
Alaska, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Big Delta, AK

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  • The average high temperature in September: 52.7°F

The warmest month (with the highest average high temperature) is July (69.3°F).
The month with the lowest average high temperature is January (3.6°F).

  • The average low temperature in September: 35.7°F

The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is January (-10.8°F).

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  • The average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the lowest rainfall) is March (0.2").

  • The average rainfall days in September: 9 days

The month with the highest number of rainy days is July (13 days).
Months with the lowest number of rainy days are March and April (4 days).

  • The average snowfall in September: 1.6"

The month with the highest snowfall is October (9.2").
Months with the lowest snowfall are June, July and August (0").

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