September weather forecastChautauqua, KS
September
Weather in September
September, the first month of the autumn in Chautauqua, is still a warm month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 62.6°F (17°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's hot 88.7°F (31.5°C) to a warm 81.9°F (27.7°C). Throughout the month of September, Chautauqua expects an average low of 62.6°F (17°C).Heat index
In September, the heat index is appraised at a tropical 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Note that heat index values are valued for light wind and location in the shade. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In September, the average relative humidity is 71%.Rainfall
In Chautauqua, in September, during 11.1 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Chautauqua, during the entire year, the rain falls for 109.1 days and collects up to 17.4" (442mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Chautauqua, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:09 pm CDT.
Sunshine
In Chautauqua, the average sunshine in September is 8.9h.UV index
In Chautauqua, the average daily maximum UV index in September is 5. A UV Index reading 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 during September leads to these advisories:
Be vigilant - Preventing sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chautauqua, KS
- Average high temperature in September: 81.9°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 (44.4°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Chautauqua, KS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Chautauqua, KS
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is March (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Chautauqua, KS
- Average humidity in September: 71%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).
Average rainfall in September
Chautauqua, KS
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in September
Chautauqua, KS
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Chautauqua, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Chautauqua, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Chautauqua, 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 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Chautauqua, KS
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (15 days).
Average UV index in September
Chautauqua, 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 and December (UV index 2).
Average cloud cover in September
Chautauqua, 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 July and August (Cloud cover 23).
Average visibility in September
Chautauqua, 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).
