September weather forecast
Lebanon, OK

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Weather in September

The first month of the autumn, September, is still a warm month in Lebanon, Oklahoma, with an average temperature fluctuating between 66.7°F (19.3°C) and 85.8°F (29.9°C).

Temperature

The arrival of September signals a subtle shift in temperature, down from a hot 94.1°F (34.5°C) in August to a moderately hot 85.8°F (29.9°C). September brings Lebanon a consistent average low-temperature of 66.7°F (19.3°C).

Heat index

The heat index for September is appraised at a tropical 93.2°F (34°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Heat index evaluations are typically in the context of light winds and shaded environments. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In September, the average relative humidity is 67%.

Rainfall

In Lebanon, in September, it is raining for 12 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, in Lebanon, there are 122.3 rainfall days, and 21.89" (556mm) of precipitation is accumulated.

Snowfall

In Lebanon, snow does not fall in April through October.

Daylight

The average length of the day in September in Lebanon, Oklahoma, is 12h and 22min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:12 pm CDT.

Sunshine

The average sunshine in September in Lebanon is 8.5h.

UV index

The average daily maximum UV index in September in Lebanon is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

How hot is September in Lebanon?

An average high-temperature, in September, in Lebanon, is 85.8°F (29.9°C) and the average low-temperature is 66.7°F (19.3°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

What is the average humidity in September in Lebanon?

The average relative humidity in September in Lebanon is 67%.

How much does it rain in Lebanon in September?

In Lebanon, Oklahoma, in September, it is raining for 12 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Lebanon?

April through October are months without snowfall.

How many hours of daylight does Lebanon have in September?

In Lebanon, the average day length in September is 12h and 22min.

When is the sunrise / sunset in September in Lebanon?

In September, on the first day of the month, sunrise is at 7:01 am and sunset at 7:52 pm. On the last day of the month, in Lebanon, sunrise is at 7:21 am and sunset at 7:12 pm CDT.

How many hours of sunshine does Lebanon have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September in Lebanon?

The average daily maximum UV index in September in Lebanon is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lebanon, OK

Average temperature in September - Lebanon, OK
  • Average high temperature in September: 85.8°F

The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in September: 66.7°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in September
Lebanon, OK

Average pressure in September - Lebanon, OK
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Lebanon, OK

Average wind speed in September - Lebanon, OK
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in September
Lebanon, OK

Average humidity in September - Lebanon, OK
  • Average humidity in September: 67%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in September
Lebanon, OK

Average rainfall in September - Lebanon, OK
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is December (0.87").

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Average rainfall days in September
Lebanon, OK

Average rainfall days in September - Lebanon, OK
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in September
Lebanon, OK

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Lebanon, OK

Average snowfall days in September - Lebanon, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Lebanon, OK

Average daylight in September / Average sunshine in September - Lebanon, OK
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in September
Lebanon, OK

Average sunshine days in September - Lebanon, OK
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (15 days).

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Average UV index in September
Lebanon, OK

Average UV index in September - Lebanon, OK
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Lebanon, OK

Average cloud cover in September - Lebanon, OK
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in September
Lebanon, OK

Average visibility in September - Lebanon, OK
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Lebanon, Oklahoma, USA

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