September weather forecastMonroe, AR
September
Weather in September
September, the first month of the autumn in Monroe, is also a moderately hot month, with an average temperature fluctuating between 83.7°F (28.7°C) and 65.3°F (18.5°C).Temperature
Monroe's September reports an average high-temperature of a moderately hot 83.7°F (28.7°C), exhibiting a minor difference from August. September's nights in Monroe observe an average temperature of 65.3°F (18.5°C).Heat index
The heat index in September is calculated to be a tropical 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In September, the average relative humidity in Monroe is 73%.Rainfall
The month with the least rainfall in Monroe is September, when the rain falls for 11.8 days and typically collects 1.69" (43mm) of precipitation.Snowfall
In Monroe, snow does not fall in April through October.Daylight
In September, the average length of the day in Monroe is 12h and 23min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:30 pm. On the last day of September, in Monroe, sunrise is at 6:58 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine in Monroe is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Monroe, AR
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Monroe, AR
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Monroe, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Monroe, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Monroe, AR
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Monroe, AR
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.1 days).
Average snowfall in September
Monroe, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Monroe, AR
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Monroe, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Monroe, AR
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Monroe, AR
- 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, February, November and December (UV index 3).
Average cloud cover in September
Monroe, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Monroe, AR
- 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).
