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 arrival of September signals a subtle shift in temperature, down from a hot 93.4°F (34.1°C) in August to a warm 84.9°F (29.4°C). Throughout the month of September, Cropper expects an average low of 66.2°F (19°C).Heat index
The heat index for September is calculated to be a tropical 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
The average relative humidity in September in Cropper, Oklahoma, is 62%.Rainfall
In Cropper, during September, the rain falls for 13.1 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Cropper, Oklahoma, during the entire year, the rain falls for 115 days and collects up to 21.5" (546mm) of precipitation.Snowfall
May through September are months without snowfall in Cropper.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Cropper, sunrise is at 7:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:15 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Cropper, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
How hot is September in Cropper?
What is the average humidity in September in Cropper?
How much does it rain in Cropper in September?
When it does not snow in Cropper?
Does it snow in Cropper in September?
What is the average length of the day in September in Cropper?
What time are sunrise and sunset in September in Cropper?
How many hours of sunshine does Cropper have in September?
What is the UV index intensity in September in Cropper?
Average temperature in September
Cropper, OK
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in September: 66.2°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Cropper, OK
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Cropper, OK
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Cropper, OK
- Average humidity in September: 62%
The month with the highest relative humidity is May (69%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in September
Cropper, OK
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in September
Cropper, OK
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Cropper, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cropper, 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
Cropper, 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: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in September
Cropper, OK
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Cropper, 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
Cropper, OK
- Average cloud cover in September: 25
The months with the most cloud cover are March and April (Cloud cover 35).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility in September
Cropper, 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).
Cropper, Oklahoma, USA
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