Pago Pago
American Samoa, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Pago Pago, AS

Aerial view of Pago Pago Harbour in Pago Pago, American Samoa
Aerial view of Pago Pago Harbour in Pago Pago, American Samoa
  • The average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is March (88.1°F).
The month with the lowest average high temperature is July (84.2°F).

  • The average low temperature in September: 76.9°F

The month with the highest average low temperature is March (77.8°F).
The coldest month (with the lowest average low temperature) is August (76.5°F).

  • The average rainfall in September: 7.6"

The wettest month (with the highest rainfall) is January (14.8").
The driest month (with the lowest rainfall) is June (6").

  • The average rainfall days in September: 17.9 days

The month with the highest number of rainy days is January (24 days).
The month with the lowest number of rainy days is August (17.8 days).

  • The average sea temperature in September: 82°F

The best month for swimming (with the highest average sea temperature) is March (85.4°F).
Coldest months (with the lowest average sea temperature) are August and September (82°F).

  • The average daylight in September: 12h

Months with the longest days are January, February, November and December (Average daylight: 13h).
Months with shortest days are May, June and July (Average daylight: 11h).

  • The average sunshine in September: 6h

Months with most sunshine are January, February and September (Average sunshine: 6h).
Months with least sunshine are April, May and June (Average sunshine: 4).

  • The average UV index in September: 12

Months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 8).