September weather forecast
Claremore, OK

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Weather in September

The arrival of September in Claremore signifies the start of the fall season, noticeable by a considerable drop in high temperatures, now averaging at a mild 83.3°F (28.5°C). Although the rainfall in September is higher than in August, it is not as intense as observed in May. The weather thus remains relatively dry with cooling temperatures, directing residents towards the onset of sweater weather. The decrease in daylight hours is compensated by less cloud cover and still ample sunshine. As the summer heat subsides, September ushers in milder and more stable weather conditions.

Temperature

Claremore observes a small decrease in the average high-temperature with the arrival of September, falling from August's hot 89.8°F (32.1°C) to a warm 83.3°F (28.5°C). Claremore's nights in September cool down to an average low-temperature of 63.3°F (17.4°C).

Heat index

For September, the heat index is calculated to be a tropical 89.6°F (32°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In September, the average relative humidity in Claremore is 71%.

Rainfall

In September, in Claremore, the rain falls for 11.5 days. Throughout September, 3.43" (87mm) of precipitation is accumulated. In Claremore, during the entire year, the rain falls for 133 days and collects up to 31.1" (790mm) of precipitation.

Snowfall

April through October are months without snowfall in Claremore.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:49 pm. On the last day of September, in Claremore, Oklahoma, sunrise is at 7:17 am and sunset at 7:06 pm CDT.

Sunshine

In Claremore, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot is it in Claremore in September?

During September, Claremore experiences an average high-temperature of 83.3°F (28.5°C) and a low-temperature of 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 89.6°F (32°C).

What is the average humidity in September in Claremore?

The average relative humidity in September in Claremore, Oklahoma, is 71%.

How much does it rain in Claremore in September?

In Claremore, in September, during 11.5 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

When it does not snow in Claremore?

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

What is the average length of the day in September in Claremore?

The average day length in September in Claremore is 12h and 24min.

When is the sunrise / sunset in September in Claremore?

On the first day of September, sunrise is at 6:54 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:06 pm CDT.

How long on average sun shines in September in Claremore?

The average sunshine duration in September in Claremore is 9h.

What is the UV index intensity in September in Claremore?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Claremore, OK

Average temperature in September - Claremore, OK
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

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Average pressure in September
Claremore, OK

Average pressure in September - Claremore, OK
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Claremore, OK

Average wind speed in September - Claremore, OK
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in September
Claremore, OK

Average humidity in September - Claremore, OK
  • Average humidity in September: 71%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
Claremore, OK

Average rainfall in September - Claremore, OK
  • Average rainfall in September: 3.43"

The wettest month (with the highest rainfall) is May (5.2").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in September
Claremore, OK

Average rainfall days in September - Claremore, OK
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in September
Claremore, OK

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

The month with the highest snowfall is February (1.57").
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
Claremore, OK

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

The month with the highest number of snowfall days is February (2.3 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
Claremore, OK

Average daylight in September / Average sunshine in September - Claremore, 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: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in September
Claremore, OK

Average sunshine days in September - Claremore, OK
  • Average sunshine days in September: 16 days

The month with the most sunshine days is December (21.8 days).
The months with the least sunshine days are April and May (13.3 days).

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Average UV index in September
Claremore, OK

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Claremore, OK

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

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in September
Claremore, OK

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

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