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
With the onset of September, Mill Creek's average high-temperature slightly adjusts, moderately receding from August's hot 93.4°F (34.1°C) to a moderately hot 84.6°F (29.2°C). During September, Mill Creek experiences an average low-temperature of 66°F (18.9°C) at night.Heat index
Throughout September, the heat index is evaluated at a tropical 91.4°F (33°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. 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 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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
In September, the average relative humidity in Mill Creek is 68%.Rainfall
In Mill Creek, during September, the rain falls for 13.2 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 129 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
In Mill Creek, snow does not fall in May through October.Daylight
In September, the average length of the day in Mill Creek is 12h and 23min.On the first day of September, sunrise is at 7:01 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:12 pm CDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Mill Creek, Oklahoma, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is September in Mill Creek?
What is the average humidity in September in Mill Creek?
How many days does it rain in September in Mill Creek?
When it does not snow in Mill Creek?
How many hours of daylight does Mill Creek have in September?
When are sunrise and sunset in September in Mill Creek?
How many hours of sunshine does Mill Creek have in September?
How high is the UV index in September in Mill Creek?
Average temperature in September
Mill Creek, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Mill Creek, 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 (29.89"Hg).
Average wind speed in September
Mill Creek, OK
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
Mill Creek, OK
- Average humidity in September: 68%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Mill Creek, OK
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Mill Creek, OK
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Mill Creek, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mill Creek, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mill Creek, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Mill Creek, OK
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Mill Creek, 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
Mill Creek, OK
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Mill Creek, 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).
Mill Creek, Oklahoma, USA
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