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
September's arrival correlates with a reduction in the average high-temperature, down from a hot 93.7°F (34.3°C) in August to a moderately hot 84.6°F (29.2°C). Arapaho experiences an average low-temperature of 65.8°F (18.8°C) in month of September.Heat index
During September, the heat index is calculated to be a hot 89.6°F (32°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. 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. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance 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 Arapaho is 61%.Rainfall
In Arapaho, in September, it is raining for 12.1 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, in Arapaho, there are 106 rainfall days, and 19.96" (507mm) of precipitation is accumulated.Snowfall
In Arapaho, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:20 pm CDT.
Sunshine
In Arapaho, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
How hot is it in Arapaho in September?
What is the average humidity in September in Arapaho?
How many days does it rain in September in Arapaho?
When it does not snow in Arapaho?
Does it snow in Arapaho in September?
How many hours of daylight does Arapaho have in September?
What time are sunrise and sunset in September in Arapaho?
How many hours of sunshine does Arapaho have in September?
What is the UV index intensity in September in Arapaho?
Average temperature in September
Arapaho, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Arapaho, 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
Arapaho, OK
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (12.8mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Arapaho, OK
- Average humidity in September: 61%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Arapaho, OK
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (3.98").
The driest months (with the least rainfall) are January, February and December (0.83").
Average rainfall days in September
Arapaho, OK
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Arapaho, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Arapaho, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Arapaho, 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 July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Arapaho, OK
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14 days).
Average UV index in September
Arapaho, 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
Arapaho, OK
- Average cloud cover in September: 25
The month with the most cloud cover is April (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Arapaho, 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).
Arapaho, Oklahoma, USA
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