Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Hennessey, OK

September, the first month of the autumn, in Hennessey, is also a moderately hot month, with average temperature varying between 61°F (16.1°C) and 85.5°F (29.7°C).


In Hennessey, the average high-temperature marginally drops, from a tropical 94.3°F (34.6°C) in August, to a warm 85.5°F (29.7°C). The average low-temperature, in September, is 61°F (16.1°C).


Throughout September, 4.1" (104.1mm) of precipitation is accumulated. Throughout the year, 30.9" (785mm) of rain is accumulated.


In September, the average length of the day is 12.4h.

What is the temperature in September in Hennessey?

In September, in Hennessey, Oklahoma, the average high-temperature is 85.5°F (29.7°C), and the average low-temperature is 61°F (16.1°C).

How much does it rain in Hennessey in September?

In Hennessey, Oklahoma, in September, 4.1" (104.1mm) of precipitation is typically accumulated.

How many hours of daylight does Hennessey have in September?

In Hennessey, the average length of the day in September is 12.4h.
Average temperature in September - Hennessey, OK
  • Average high temperature in September: 85.4°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is January (46.2°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (70.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average rainfall in September - Hennessey, OK
  • Average rainfall in September: 4.1"

The wettest month (with the highest rainfall) is May (4.7").
The driest month (with the lowest rainfall) is January (0.9").

Average daylight in September - Hennessey, 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).