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

September weather forecast and climate
Frederick, OK

September, the first month of the autumn, in Frederick, is still a hot month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 90°F (32.2°C).

Temperature

In September, the average high-temperature marginally drops, from a torrid 98.1°F (36.7°C) in August, to a tropical 90°F (32.2°C). In Frederick, Oklahoma, in September, the average low-temperature is 63°F (17.2°C).

Humidity

In Frederick, the average relative humidity in September is 55%.

Rainfall

In Frederick, Oklahoma, during 4.5 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in Frederick, there are 53.4 rainfall days, and 26.8" (680.7mm) of precipitation is accumulated.

Snowfall

In Frederick, during the entire year, snow aggregates up to 6.7" (170.3mm).

Daylight

The average length of the day in September in Frederick is 12.4h.

What is the temperature in September in Frederick?

The average high-temperature, in September, in Frederick, Oklahoma, is 90°F (32.2°C), while the average low-temperature is 63°F (17.2°C).

What is the average humidity in September in Frederick?

In September, the average relative humidity in Frederick, Oklahoma, is 55%.

How much does it rain in Frederick in September?

In September, in Frederick, the rain falls for 4.5 days. Throughout September, 2.6" (66mm) of precipitation is accumulated.

How many hours of daylight does Frederick have in September?

In September, the average length of the day in Frederick is 12.4h.
Average temperature in September - Frederick, OK
  • Average high temperature in September: 90°F

The warmest month (with the highest average high temperature) is August (98°F).
The month with the lowest average high temperature is January (53°F).

  • Average low temperature in September: 63°F

The month with the highest average low temperature is July (71°F).
The coldest month (with the lowest average low temperature) is January (29°F).

Average humidity in September - Frederick, OK
  • Average humidity in September: 55%

Months with the highest relative humidity are January and February (74%).
The month with the lowest relative humidity is August (50%).

Average rainfall in September - Frederick, OK
  • Average rainfall in September: 2.6"

The wettest month (with the highest rainfall) is May (4.5").
The driest month (with the lowest rainfall) is January (1.1").

Average rainfall days in September - Frederick, OK
  • Average rainfall days in September: 4.5 days

The month with the highest number of rainy days is May (7 days).
The month with the lowest number of rainy days is November (2.9 days).

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

The month with the highest snowfall is January (2.2").
Months with the lowest snowfall are July, August, September, October, November and December (0").

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

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).