September weather forecastBartlett, KS
September
Weather in September
The first month of the autumn, September, is still a warm month in Bartlett, Kansas, with an average temperature varying between 80.1°F (26.7°C) and 61.5°F (16.4°C).Temperature
As September arrives, Bartlett's weather displays a minor decrease in high-temperatures, transitioning from August's tropical 87.6°F (30.9°C) to a warm 80.1°F (26.7°C). In Bartlett, September nights witness a steady temperature drop to a refreshing 61.5°F (16.4°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Bartlett, during September, the rain falls for 9.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Bartlett, during the entire year, the rain falls for 108.5 days and collects up to 12.44" (316mm) of precipitation.Snowfall
In Bartlett, Kansas, snow does not fall in April, June through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bartlett, KS
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 61.5°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 (27.5°F).
Average pressure in September
Bartlett, 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
Bartlett, KS
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Bartlett, KS
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Bartlett, KS
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Bartlett, KS
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is December (4.9 days).
Average snowfall in September
Bartlett, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Bartlett, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bartlett, 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: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Bartlett, KS
- Average sunshine days in September: 19 days
The month with the most sunshine days is December (23.4 days).
The months with the least sunshine days are June and July (14.8 days).
Average UV index in September
Bartlett, 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
Bartlett, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in September
Bartlett, 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).
