September weather forecastGateway, AR
September
Weather in September
September, the first month of the autumn in Gateway, is also a moderately hot month, with an average temperature ranging between max 81.1°F (27.3°C) and min 60.6°F (15.9°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's tropical 88.2°F (31.2°C) to a warm 81.1°F (27.3°C). Gateway records an average low of 60.6°F (15.9°C) throughout the nights in September.Heat index
September's heat index is estimated at a tropical 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. 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 largely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Gateway, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 12.8 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Gateway, during the entire year, the rain falls for 141.8 days and collects up to 31.5" (800mm) of precipitation.Snowfall
In Gateway, snow does not fall in June through October.Daylight
In Gateway, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:47 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:00 pm CDT.
Sunshine
In September, the average sunshine in Gateway is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gateway, AR
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 60.6°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 (27.9°F).
Average pressure in September
Gateway, AR
- Average pressure in September: 30.02"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
Gateway, AR
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Gateway, AR
- Average humidity in September: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Gateway, AR
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in September
Gateway, AR
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Gateway, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Gateway, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gateway, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Gateway, AR
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in September
Gateway, AR
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Gateway, AR
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Gateway, 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).
