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

September weather forecast and climate
Jefferson, OK

The first month of the autumn, September, is still a tropical month in Jefferson, Oklahoma, with temperature in the range of an average high of 86°F (30°C) and an average low of 59°F (15°C).

Temperature

In September, the average high-temperature decreases, from a sweltering 95°F (35°C) in August, to a hot 86°F (30°C). The average low-temperature, in September, is 59°F (15°C).

Rainfall

In Jefferson, 3.2" (81.3mm) of precipitation is typically accumulated. Throughout the year, 30.5" (774.8mm) of rain is accumulated.

Daylight

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

What is the temperature in September in Jefferson?

In Jefferson, Oklahoma, in September, the average high-temperature is 86°F (30°C), and the average low-temperature is 59°F (15°C).

How much does it rain in Jefferson in September?

In Jefferson, in September, 3.2" (81.3mm) of precipitation is typically accumulated.

How many hours of daylight does Jefferson have in September?

In Jefferson, Oklahoma, the average length of the day in September is 12.4h.
Average temperature in September - Jefferson, OK
  • Average high temperature in September: 86°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 (46°F).

  • Average low temperature in September: 59°F

Months with the highest average low temperature are July and August (68°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average rainfall in September - Jefferson, OK
  • Average rainfall in September: 3.2"

The wettest month (with the highest rainfall) is May (4.3").
The driest month (with the lowest rainfall) is January (0.9").

Average daylight in September - Jefferson, 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).