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

September weather forecast and climate
Fort Supply, OK

The first month of the autumn, September, is still a warm month in Fort Supply, Oklahoma, with average temperature ranging between min 57.7°F (14.3°C) and max 84.6°F (29.2°C).

Temperature

In Fort Supply, the average high-temperature in September slightly decreases, from a hot 92.8°F (33.8°C) in August, to a warm 84.6°F (29.2°C). In Fort Supply, the average low-temperature is 57.7°F (14.3°C).

Rainfall

Throughout September, in Fort Supply, 2.1" (53.3mm) of precipitation is accumulated. During the entire year, Fort Supply aggregates up to 23.5" (597.3mm) of precipitation.

Snowfall

May through September are months without snowfall in Fort Supply.

Daylight

In Fort Supply, Oklahoma, the average length of the day in September is 12.4h.

What is the temperature in September in Fort Supply?

In Fort Supply, Oklahoma, in September, the average high-temperature is 84.6°F (29.2°C), and the average low-temperature is 57.7°F (14.3°C).

How much does it rain in Fort Supply in September?

During September, Fort Supply regularly aggregates up to 2.1" (53.3mm) of precipitation.

Does it snow in Fort Supply in September?

In Fort Supply, Oklahoma, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Fort Supply?

May through September are months without snowfall in Fort Supply, Oklahoma.

What is the average length of the day in September in Fort Supply?

In Fort Supply, Oklahoma, the average length of the day in September is 12.4h.
Average temperature in September - Fort Supply, OK
  • Average high temperature in September: 84.6°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (48.1°F).

  • Average low temperature in September: 57.8°F

The month with the highest average low temperature is July (68.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average rainfall in September - Fort Supply, OK
  • Average rainfall in September: 2.1"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the lowest rainfall) is January (0.6").

Average snowfall in September - Fort Supply, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.4").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in September - Fort Supply, 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).