Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 93°F (33.9°C) to a moderately hot 84.7°F (29.3°C). September brings an average low-temperature of 65.8°F (18.8°C) to Piedmont.Heat index
September's average heat index is appraised at a hot 89.6°F (32°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Piedmont, Oklahoma, the average relative humidity in September is 64%.Rainfall
In Piedmont, in September, it is raining for 13.3 days, with typically 2.8" (71mm) of accumulated precipitation. In Piedmont, during the entire year, the rain falls for 118.5 days and collects up to 23.58" (599mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:57 pm. On the last day of September, in Piedmont, sunrise is at 7:25 am and sunset at 7:15 pm CDT.
Sunshine
In Piedmont, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
How hot does it get in Piedmont in September?
What is the average humidity in September in Piedmont?
How many days does it rain in September in Piedmont?
When it does not snow in Piedmont?
What is the average length of the day in September in Piedmont?
When is the sunrise / sunset in September in Piedmont?
How many hours of sunshine does Piedmont have in September?
What is the UV index reading in September in Piedmont?
Average temperature in September
Piedmont, OK
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in September: 65.8°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 (31.5°F).
Average pressure in September
Piedmont, 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 (29.87"Hg).
Average wind speed in September
Piedmont, OK
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Piedmont, OK
- Average humidity in September: 64%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Piedmont, OK
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in September
Piedmont, OK
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Piedmont, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Piedmont, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Piedmont, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Piedmont, OK
- Average sunshine days in September: 14 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is September (14 days).
Average UV index in September
Piedmont, 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).
Average cloud cover in September
Piedmont, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Piedmont, 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).
Piedmont, Oklahoma, USA
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