Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a tropical 90.9°F (32.7°C) in August to a moderately hot 83.3°F (28.5°C). A significant temperature decrease to an average a comfortable 61.7°F (16.5°C) characterizes Spearville's nighttime temperatures during September.Heat index
For September, the heat index is evaluated at a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In September, the average relative humidity in Spearville is 57%.Rainfall
In Spearville, during September, the rain falls for 9.9 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, in Spearville, there are 95.4 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Spearville.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 7:09 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:23 pm CDT.
Sunshine
In September, the average sunshine in Spearville is 9.1h.UV index
The average daily maximum UV index in September in Spearville is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Spearville in September?
What is the average humidity in September in Spearville?
How many days does it rain in September in Spearville?
When it does not snow in Spearville?
Does it snow in Spearville in September?
What is the average length of the day in September in Spearville?
When is the sunrise / sunset in September in Spearville?
How long on average sun shines in September in Spearville?
How high is the UV index in September in Spearville?
Average temperature in September
Spearville, KS
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Spearville, KS
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Spearville, KS
- Average wind speed in September: 11.7mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in September
Spearville, KS
- Average humidity in September: 57%
The month with the highest relative humidity is December (62%).
The month with the lowest relative humidity is July (52%).
Average rainfall in September
Spearville, KS
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in September
Spearville, KS
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (12.8 days).
The months with the least rainy days are January and December (2.5 days).
Average snowfall in September
Spearville, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Spearville, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spearville, KS
- Average daylight in September: 12h and 2min
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 1min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Spearville, KS
- Average sunshine days in September: 17.3 days
The months with the most sunshine days are January and December (25.1 days).
The month with the least sunshine days is July (14.4 days).
Average UV index in September
Spearville, KS
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Spearville, KS
- Average cloud cover in September: 21
The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Spearville, 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).
Spearville, Kansas, USA
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