September weather forecast and climate
Port Arthur, TX

What is the temperature in September in Port Arthur?

In Port Arthur, Texas, in September, the average high-temperature is 88.3°F (31.3°C), and the average low-temperature is 70°F (21.1°C).

How many days does it rain in September in Port Arthur?

In Port Arthur, Texas, in September, it is raining for 8.9 days, with typically 5.9" (150.6mm) of accumulated precipitation.
Average temperature in September - Port Arthur, TX
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is August (92.2°F).
The month with the lowest average high temperature is January (62.1°F).

  • Average low temperature in September: 69.9°F

The month with the highest average low temperature is July (74.4°F).
The coldest month (with the lowest average low temperature) is January (43.4°F).

Average rainfall in September - Port Arthur, TX
  • Average rainfall in September: 5.9"

The wettest month (with the highest rainfall) is June (7.1").
The driest month (with the lowest rainfall) is April (3.2").

Average rainfall days in September - Port Arthur, TX
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is July (11.4 days).
The month with the lowest number of rainy days is April (6.2 days).

Average daylight in September / Average sunshine in September - Port Arthur, TX
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.3h).

  • Average sunshine in September: 7.7h

The month with most sunshine is June (Average sunshine: 9.5h).
The month with least sunshine is January (Average sunshine: 4.4h).

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