September weather forecastAtlanta, KS
September
Weather in September
September, the first month of the autumn in Atlanta, is still a warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 61.9°F (16.6°C).Temperature
September heralds a minor drop in average high-temperature, sliding from August's tropical 88.3°F (31.3°C) to a warm 81.1°F (27.3°C). Throughout the month of September, Atlanta witnesses an average temperature of 61.9°F (16.6°C).Heat index
For most parts of September, the heat index is computed to be 84.2°F (29°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In Atlanta, the average relative humidity in September is 69%.Rainfall
In Atlanta, Kansas, in September, during 11.2 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Atlanta, during the entire year, the rain falls for 114.4 days and collects up to 20.83" (529mm) of precipitation.Snowfall
In Atlanta, snow does not fall in May through September.Daylight
The average length of the day in September in Atlanta, Kansas, is 12h and 25min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:11 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Atlanta, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Atlanta, KS
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 61.9°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 (26.8°F).
Average pressure in September
Atlanta, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Atlanta, KS
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Atlanta, KS
- Average humidity in September: 69%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Atlanta, KS
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.98").
The driest months (with the least rainfall) are January and December (0.55").
Average rainfall days in September
Atlanta, KS
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Atlanta, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Atlanta, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Atlanta, KS
- Average daylight in September: 12h and 24min
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 36min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Atlanta, KS
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in September
Atlanta, KS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Atlanta, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are June and August (Cloud cover 22).
Average visibility in September
Atlanta, KS
- 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).
