September weather forecastBunker Hill, KS
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bunker Hill, Kansas, with an average temperature fluctuating between 61.2°F (16.2°C) and 81.7°F (27.6°C).Temperature
September brings a slight decrease in temperature, down from a hot 90.1°F (32.3°C) in August to a moderately hot 81.7°F (27.6°C). Throughout the month of September, Bunker Hill witnesses an average temperature of 61.2°F (16.2°C).Heat index
Throughout September, the heat index is estimated at 84.2°F (29°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. 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 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In Bunker Hill, Kansas, the average relative humidity in September is 61%.Rainfall
In Bunker Hill, in September, during 10.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 109.3 rainfall days, and 17.91" (455mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bunker Hill, KS
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in September
Bunker Hill, 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 (29.84"Hg).
Average wind speed in September
Bunker Hill, KS
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in September
Bunker Hill, KS
- Average humidity in September: 61%
The months with the highest relative humidity are January and December (67%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Bunker Hill, KS
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Bunker Hill, KS
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Bunker Hill, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bunker Hill, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bunker Hill, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Bunker Hill, KS
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Bunker Hill, 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, November and December (UV index 2).
Average cloud cover in September
Bunker Hill, KS
- Average cloud cover in September: 23
The months with the most cloud cover are February and March (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 19).
Average visibility in September
Bunker Hill, 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).





