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
Nichols Hills's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's hot 92.8°F (33.8°C) to a moderately hot 84.6°F (29.2°C). Throughout the month of September, the nighttime temperature dips to an average of 65.5°F (18.6°C).Heat index
The heat index in September is estimated at a hot 89.6°F (32°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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
The average relative humidity in September is 65%.Rainfall
In Nichols Hills, in September, during 13.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 121 rainfall days, and 24.96" (634mm) of precipitation is accumulated.Snowfall
In Nichols Hills, snow does not fall in May through October.Daylight
In Nichols Hills, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm CDT.
Sunshine
In September, the average sunshine in Nichols Hills is 8.5h.UV index
In Nichols Hills, Oklahoma, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise prevention - Warding off sunburn is urged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
Is it hot in Nichols Hills during September?
What is the average humidity in September in Nichols Hills?
How much does it rain in Nichols Hills in September?
When it does not snow in Nichols Hills?
How many hours of daylight does Nichols Hills have in September?
What time are sunrise and sunset in September in Nichols Hills?
How long on average sun shines in September in Nichols Hills?
What is the UV index reading in September in Nichols Hills?
Average temperature in September
Nichols Hills, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Nichols Hills, 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
Nichols Hills, OK
- Average wind speed in September: 8.9mph
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
Nichols Hills, OK
- Average humidity in September: 65%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Nichols Hills, OK
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in September
Nichols Hills, OK
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Nichols Hills, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Nichols Hills, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Nichols Hills, 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 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Nichols Hills, OK
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in September
Nichols Hills, 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
Nichols Hills, 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).
Average visibility in September
Nichols Hills, 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).
Nichols Hills, Oklahoma, USA
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