September weather forecast
Glencoe, OK

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Glencoe, Oklahoma, with an average temperature fluctuating between 64.2°F (17.9°C) and 84.2°F (29°C).

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's tropical 91.9°F (33.3°C) to a warm 84.2°F (29°C). Glencoe anticipates an average minimum temperature of 64.2°F (17.9°C) in the month of September.

Heat index

September's average heat index is calculated to be a hot 89.6°F (32°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In Glencoe, the average relative humidity in September is 67%.

Rainfall

In September, the rain falls for 11.7 days. Throughout September, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 122.5 rainfall days, and 24.65" (626mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 6:59 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:12 pm CDT.

Sunshine

In Glencoe, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot is it in Glencoe in September?

September temperatures in Glencoe vary between a high-temperature of 84.2°F (29°C) and a low-temperature of 64.2°F (17.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Glencoe?

In Glencoe, the average relative humidity in September is 67%.

How many days does it rain in September in Glencoe?

In Glencoe, Oklahoma, in September, it is raining for 11.7 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow in Glencoe?

In Glencoe, Oklahoma, snow does not fall in April through October.

How many hours of daylight does Glencoe have in September?

In Glencoe, Oklahoma, the average day length in September is 12h and 24min.

When are sunrise and sunset in September in Glencoe?

In September, on the first day of the month, sunrise is at 6:59 am and sunset at 7:55 pm. On the last day of the month, in Glencoe, Oklahoma, sunrise is at 7:22 am and sunset at 7:12 pm CDT.

How long on average sun shines in September in Glencoe?

In September, the average sunshine duration in Glencoe, Oklahoma, is 8.6h.

What is the UV index intensity in September in Glencoe?

In Glencoe, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Glencoe, OK

Average temperature in September - Glencoe, OK
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in September: 64.2°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in September
Glencoe, OK

Average pressure in September - Glencoe, OK
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Glencoe, OK

Average wind speed in September - Glencoe, OK
  • Average wind speed in September: 8.4mph

The windiest months (with the highest average wind speed) are March and April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in September
Glencoe, OK

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

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in September
Glencoe, OK

Average rainfall in September - Glencoe, OK
  • Average rainfall in September: 2.99"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is December (0.87").

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Average rainfall days in September
Glencoe, OK

Average rainfall days in September - Glencoe, OK
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in September
Glencoe, OK

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

The month with the highest snowfall is February (1.34").
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
Glencoe, OK

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

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in September
Glencoe, OK

Average sunshine days in September - Glencoe, OK
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is May (14.5 days).

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Average UV index in September
Glencoe, OK

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

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Glencoe, OK

Average cloud cover in September - Glencoe, OK
  • Average cloud cover in September: 27

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in September
Glencoe, OK

Average visibility in September - Glencoe, 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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Glencoe, Oklahoma, USA

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