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
The shift from August to September involves a decrease in the average high-temperature, dropping from a sweltering 95.2°F (35.1°C) to a warm 85.6°F (29.8°C). Throughout September, the nighttime temperature in Retrop averages to a refreshing 67.1°F (19.5°C).Heat index
September's mean heat index is evaluated at a hot 89.6°F (32°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. 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 of high significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Retrop, the average relative humidity in September is 58%.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. In Retrop, during the entire year, the rain falls for 93.6 days and collects up to 18.27" (464mm) of precipitation.Snowfall
In Retrop, snow does not fall in May through October.Daylight
In September, the average length of the day in Retrop, Oklahoma, is 12h and 23min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:22 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Retrop is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
How hot does it get in Retrop in September?
What is the average humidity in September in Retrop?
How many days does it rain in September in Retrop?
When it does not snow in Retrop?
What is the average length of the day in September in Retrop?
What time are sunrise and sunset in September in Retrop?
How long on average sun shines in September in Retrop?
What is the UV index reading in September in Retrop?
Average temperature in September
Retrop, OK
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is July (96.1°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (75°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Retrop, OK
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Retrop, OK
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Retrop, OK
- Average humidity in September: 58%
The months with the highest relative humidity are May and December (61%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in September
Retrop, OK
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Retrop, OK
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Retrop, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Retrop, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Retrop, 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 5min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Retrop, OK
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is August (16 days).
Average UV index in September
Retrop, OK
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Retrop, OK
- Average cloud cover in September: 24
The months with the most cloud cover are March and April (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Retrop, 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).
Retrop, Oklahoma, USA
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