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
Prim's September weather shows a modest shift in high-temperatures, falling from August's hot 89.4°F (31.9°C) to a warm 82°F (27.8°C). During September, the average low-temperature is a refreshing 61.3°F (16.3°C).Heat index
The heat index value during September is appraised at a hot 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Prim, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall in Prim. Rain falls for 12.9 days and accumulates 1.97" (50mm) of precipitation.Snowfall
In Prim, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In Prim, Arkansas, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are September temperatures in Prim?
What is the average humidity in September in Prim?
What is the driest month in Prim?
How many days does it rain in September in Prim?
When it does not snow in Prim?
How many hours of daylight does Prim have in September?
When are sunrise and sunset in September in Prim?
How long on average sun shines in September in Prim?
What is the UV index intensity in September in Prim?
Average temperature in September
Prim, AR
- Average high temperature in September: 82°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 (45.1°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
Prim, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Prim, AR
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Prim, AR
- Average humidity in September: 75%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Prim, AR
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Prim, AR
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
Prim, AR
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Prim, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Prim, AR
- 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: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Prim, AR
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in September
Prim, AR
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Prim, AR
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Prim, AR
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Prim, Arkansas, USA
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