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
In September, the average high-temperature marginally drops from a hot 88.3°F (31.3°C) in August to a moderately hot 81.5°F (27.5°C). Wann's temperature lowers to a mean of 62.2°F (16.8°C) during the nights in September.Heat index
The average heat index in September is estimated at a hot 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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 hold particular importance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In Wann, Oklahoma, the average relative humidity in September is 72%.Rainfall
In September, in Wann, the rain falls for 11.5 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Wann, Oklahoma, there are 120.1 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Wann, Oklahoma.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Wann, sunrise is at 6:54 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:07 pm CDT.
Sunshine
In September, the average sunshine in Wann is 9h.UV index
In September, the average daily maximum UV index 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, the maximum UV index of 5 transforms into these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are the temperatures in Wann in September?
What is the average humidity in September in Wann?
How much does it rain in Wann in September?
When it does not snow in Wann?
How many hours of daylight does Wann have in September?
When is the sunrise / sunset in September in Wann?
How long on average sun shines in September in Wann?
What is the UV index reading in September in Wann?
Average temperature in September
Wann, OK
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in September
Wann, OK
- Average pressure in September: 29.99"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
Wann, OK
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Wann, OK
- Average humidity in September: 72%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Wann, OK
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in September
Wann, OK
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Wann, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Wann, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wann, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Wann, OK
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Wann, OK
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Wann, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Wann, 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).
Wann, Oklahoma, USA
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