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
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a tropical 89.1°F (31.7°C) in August to a warm 81°F (27.2°C). In September, the nighttime temperature in Long Island lowers to an average of 59.9°F (15.5°C).Heat index
The heat index value for September is appraised at 82.4°F (28°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Long Island, Kansas, the average relative humidity in September is 59%.Rainfall
In Long Island, in September, during 11.1 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Long Island, during the entire year, the rain falls for 115.9 days and collects up to 19.25" (489mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:09 pm. On the last day of September, in Long Island, Kansas, sunrise is at 7:34 am and sunset at 7:21 pm CDT.
Sunshine
In September, the average sunshine in Long Island is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are the temperatures in Long Island in September?
What is the average humidity in September in Long Island?
How much does it rain in Long Island in September?
When it does not snow in Long Island?
Does it snow in Long Island in September?
How many hours of daylight does Long Island have in September?
What time are sunrise and sunset in September in Long Island?
How long on average sun shines in September in Long Island?
What is the UV index intensity in September in Long Island?
Average temperature in September
Long Island, KS
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Long Island, KS
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Long Island, KS
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Long Island, KS
- Average humidity in September: 59%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Long Island, KS
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Long Island, KS
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Long Island, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Long Island, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Long Island, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in September
Long Island, KS
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Long Island, 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
Long Island, KS
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 21).
Average visibility in September
Long Island, 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).
Long Island, Kansas, USA
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