September weather forecastFrontenac, KS
September
Weather in September
September, the first month of the autumn in Frontenac, is also a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 61°F (16.1°C).Temperature
September sees a slight reduction in average high-temperature, with a shift from a hot 86.4°F (30.2°C) in August to a warm 79.3°F (26.3°C). In September, in Frontenac, Kansas, the average low-temperature is a refreshing 61°F (16.1°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In Frontenac, in September, it is raining for 10.9 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 131.1 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
In Frontenac, snow does not fall in April, June through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:49 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:02 pm CDT.
Sunshine
In Frontenac, Kansas, the average sunshine in September is 9.1h.UV index
In Frontenac, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Frontenac, KS
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in September: 61°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 (26.8°F).
Average pressure in September
Frontenac, KS
- 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 (29.91"Hg).
Average wind speed in September
Frontenac, KS
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Frontenac, KS
- Average humidity in September: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in September
Frontenac, KS
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Frontenac, KS
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is December (5.4 days).
Average snowfall in September
Frontenac, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Frontenac, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Frontenac, 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: 9h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Frontenac, KS
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (22.3 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in September
Frontenac, KS
- 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 and December (UV index 2).
Average cloud cover in September
Frontenac, KS
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in September
Frontenac, 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).





