September weather forecast and climate
McMurdo, Antarctica

What is the temperature in September in McMurdo?

In September, in McMurdo, Antarctica, the average high-temperature is -20.8°C (-5.4°F), and the average low-temperature is -29.4°C (-20.9°F).

How much does it rain in McMurdo in September?

In McMurdo, during September, the rain falls for 3 days and regularly aggregates up to 11.8mm (0.5") of precipitation.

How much does it snow in McMurdo in September?

In McMurdo, in September, during 13.3 snowfall days, typically, 76mm (3") of snow is accumulated.
Average temperature in September - McMurdo, Antarctica
  • Average high temperature in September: -20.8°C

The warmest month (with the highest average high temperature) is January (-0.2°C).
The month with the lowest average high temperature is August (-22.8°C).

  • Average low temperature in September: -29.4°C

The month with the highest average low temperature is January (-5.5°C).
The coldest month (with the lowest average low temperature) is August (-31.8°C).

Average humidity in September - McMurdo, Antarctica
  • Average humidity in September: 55.8%

The month with the highest relative humidity is December (67%).
The month with the lowest relative humidity is September (55.8%).

Average rainfall in September - McMurdo, Antarctica
  • Average rainfall in September: 11.8mm

The wettest month (with the highest rainfall) is June (24.9mm).
The driest month (with the lowest rainfall) is November (9.5mm).

Average rainfall days in September - McMurdo, Antarctica
  • Average rainfall days in September: 3 days

The month with the highest number of rainy days is June (5.7 days).
The month with the lowest number of rainy days is November (2.4 days).

Average snowfall in September - McMurdo, Antarctica
  • Average snowfall in September: 76mm

The month with the highest snowfall is February (224mm).
Months with the lowest snowfall are January and August (66mm).

Average snowfall days in September - McMurdo, Antarctica
  • Average snowfall days in September: 13.3 days

The month with the highest number of snowfall days is March (17.8 days).
The month with the lowest number of snowfall days is January (12.8 days).

Average daylight in September - McMurdo, Antarctica
  • Average daylight in September: 10.7h

Months with the longest days are January, November and December (Average daylight: 24h).
Months with shortest days are May, June and July (Average daylight: 0h).

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