September weather forecastGreenleaf, KS
September
Weather in September
September, the first month of the autumn in Greenleaf, is still a warm month, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 78.4°F (25.8°C).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to a still warm 78.4°F (25.8°C) from August's moderately hot 85.5°F (29.7°C). An average nighttime temperature of 58.8°F (14.9°C) is witnessed throughout September.Humidity
In September, the average relative humidity is 70%.Rainfall
In Greenleaf, in September, it is raining for 12.4 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 127.7 rainfall days, and 24.92" (633mm) of precipitation is accumulated.Snowfall
In Greenleaf, Kansas, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:56 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:11 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Greenleaf, KS
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Greenleaf, 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 (29.85"Hg).
Average wind speed in September
Greenleaf, KS
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Greenleaf, KS
- Average humidity in September: 70%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Greenleaf, KS
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Greenleaf, KS
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Greenleaf, KS
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenleaf, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenleaf, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Greenleaf, KS
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Greenleaf, 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, November and December (UV index 2).
Average cloud cover in September
Greenleaf, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June, July and August (Cloud cover 25).
Average visibility in September
Greenleaf, 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).
