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

September weather forecast and climate
Broken Bow, OK

The scenic setting of the dense tree cover around the small Mountain Lake in the Broken Bow region of Oklahoma, a colorful sky and rainbow above
The scenic setting of the dense tree cover around the small Mountain Lake in the Broken Bow region of Oklahoma, a colorful sky and rainbow above
The first month of the autumn, September, is still a tropical month in Broken Bow, Oklahoma, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 86°F (30°C).

Temperature

In Broken Bow, the average high-temperature slightly decreases, from 93.4°F (34.1°C) in August, to a still tropical 86°F (30°C). The average low-temperature, in September, is 61.3°F (16.3°C).

Rainfall

In Broken Bow, in September, it is raining for 8 days, with typically 4.7" (119.4mm) of accumulated precipitation. Throughout the year, there are 95 rainfall days, and 51.9" (1318.2mm) of precipitation is accumulated.

Daylight

The average length of the day in Broken Bow is 12.4h.

Sunshine

In Broken Bow, the average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high health risk from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 8 in September transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Broken Bow?

In Broken Bow, in September, the average high-temperature is 86°F (30°C), and the average low-temperature is 61.3°F (16.3°C).

How much does it rain in Broken Bow in September?

In September, the rain falls for 8 days. Throughout September, 4.7" (119.4mm) of precipitation is accumulated.

What is the average length of the day in September in Broken Bow?

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

How long on average sun shines in September in Broken Bow?

In September, the average sunshine in Broken Bow is 8h.

What is the UV index intensity in September in Broken Bow?

The average daily maximum UV index in September in Broken Bow, Oklahoma, is 8. A UV Index reading of 8 to 10 represents a very high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Broken Bow, OK
  • Average high temperature in September: 86°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (51.7°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (26.9°F).

Average rainfall in September - Broken Bow, OK
  • Average rainfall in September: 4.7"

The wettest month (with the highest rainfall) is May (6.6").
The driest month (with the lowest rainfall) is January (2.9").

Average rainfall days in September - Broken Bow, OK
  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is May (10 days).
The month with the lowest number of rainy days is August (6 days).

Average daylight in September / Average sunshine in September - Broken Bow, 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).

  • Average sunshine in September: 8h

The month with most sunshine is July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in September - Broken Bow, OK
  • Average UV index in September: 8

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).