September weather forecastWelsh, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Welsh, Arkansas, with an average temperature varying between 63°F (17.2°C) and 83.3°F (28.5°C).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 90.1°F (32.3°C) to a moderately hot 83.3°F (28.5°C). Welsh, in the month of September, anticipates a consistent average low-temperature of 63°F (17.2°C).Heat index
Throughout September, the heat index is evaluated at a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. 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. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September is 74%.Rainfall
In Welsh, in September, during 13.5 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 160.5 rainfall days, and 39.61" (1006mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:47 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:58 pm CDT.
Sunshine
In Welsh, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Welsh, AR
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Welsh, 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 (29.94"Hg).
Average wind speed in September
Welsh, AR
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Welsh, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in September
Welsh, AR
- Average rainfall in September: 3.46"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in September
Welsh, AR
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in September
Welsh, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Welsh, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Welsh, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Welsh, AR
- Average sunshine days in September: 14 days
The month with the most sunshine days is January (19 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in September
Welsh, AR
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Welsh, AR
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 30).
Average visibility in September
Welsh, AR
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).





