September weather forecast
Cleo Springs, OK

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Cleo Springs, Oklahoma, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 66.7°F (19.3°C).

Temperature

September implies a soft temperature shift, with average high-temperatures reducing from August's hot 93°F (33.9°C) to a warm 84.6°F (29.2°C). Cleo Springs reports a consistent average low-temperature of 66.7°F (19.3°C) throughout September nights.

Heat index

The average heat index in September is evaluated at a tropical 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in September is 60%.

Rainfall

In September, the rain falls for 12 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 100.5 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

In Cleo Springs, snow does not fall in June through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 7:05 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:18 pm CDT.

Sunshine

In Cleo Springs, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September leads to these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Cleo Springs during September?

The average high-temperature and low-temperature during September are 84.6°F (29.2°C) and 66.7°F (19.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is evaluated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 60%.

How many days does it rain in September?

In Cleo Springs, in September, during 12 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow?

In Cleo Springs, snow does not fall in June through October.

How many hours of daylight does Cleo Springs have in September?

In Cleo Springs, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:05 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:18 pm CDT.

How many hours of sunshine does Cleo Springs have in September?

The average sunshine duration in September is 8.9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Cleo Springs, OK

Average temperature in September - Cleo Springs, OK
  • Average high temperature in September: 84.6°F

The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.3°F).

  • Average low temperature in September: 66.7°F

The month with the highest average low temperature is July (75°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Cleo Springs, OK

Average pressure in September - Cleo Springs, 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 (29.86"Hg).

Average wind speed in September
Cleo Springs, OK

Average wind speed in September - Cleo Springs, OK
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in September
Cleo Springs, OK

Average humidity in September - Cleo Springs, OK
  • Average humidity in September: 60%

The month with the highest relative humidity is May (66%).
The months with the lowest relative humidity are July and August (54%).

Average rainfall in September
Cleo Springs, OK

Average rainfall in September - Cleo Springs, OK
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (0.51").

Average rainfall days in September
Cleo Springs, OK

Average rainfall days in September - Cleo Springs, OK
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in September
Cleo Springs, OK

Average snowfall in September - Cleo Springs, OK
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Cleo Springs, OK

Average snowfall days in September - Cleo Springs, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Cleo Springs, OK

Average daylight in September / Average sunshine in September - Cleo Springs, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in September
Cleo Springs, OK

Average sunshine days in September - Cleo Springs, OK
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is September (15.5 days).

Average UV index in September
Cleo Springs, OK

Average UV index in September - Cleo Springs, OK
  • Average UV index in September: 6

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).

Average cloud cover in September
Cleo Springs, OK

Average cloud cover in September - Cleo Springs, OK
  • Average cloud cover in September: 24

The months with the most cloud cover are March and April (Cloud cover 33).
The months with the least cloud cover are June and August (Cloud cover 18).

Average visibility in September
Cleo Springs, OK

Average visibility in September - Cleo Springs, 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).

Cleo Springs, Oklahoma, USA

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