September weather forecast and climate
Douglas, OK

What is the temperature in September in Douglas?

The average high-temperature, in September, in Douglas, Oklahoma, is 87.1°F (30.6°C), while the average low-temperature is 61°F (16.1°C).

How much does it rain in Douglas in September?

In Douglas, Oklahoma, in September, during 5.1 rainfall days, typically 3.1" (78.7mm) of precipitation is accumulated.
Average temperature in September - Douglas, OK
  • Average high temperature in September: 87°F

Warmest months (with the highest average high temperature) are July and August (95°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average humidity in September - Douglas, OK
  • Average humidity in September: 58%

Months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is September (58%).

Average rainfall in September - Douglas, OK
  • Average rainfall in September: 3.1"

The wettest month (with the highest rainfall) is May (4.3").
The driest month (with the lowest rainfall) is January (1.1").

Average rainfall days in September - Douglas, OK
  • Average rainfall days in September: 5.1 days

The month with the highest number of rainy days is May (6.9 days).
The month with the lowest number of rainy days is January (2.9 days).

Average snowfall in September - Douglas, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.7").
Months with the lowest snowfall are June, July, August, September, October, November and December (0").

Average daylight in September - Douglas, OK
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

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