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
September indicates a minor shift in the average high-temperature, from August's hot 90.7°F (32.6°C) to a warm 82.8°F (28.2°C). September brings with it a nighttime average temperature of 61.7°F (16.5°C).Heat index
The average heat index in September is computed to be 84.2°F (29°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity in Arnold, Kansas, is 56%.Rainfall
In Arnold, in September, it is raining for 10.4 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, in Arnold, there are 104.4 rainfall days, and 16.5" (419mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Arnold.Daylight
In September, the average length of the day in Arnold is 12h and 25min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:09 pm. On the last day of September, in Arnold, sunrise is at 7:35 am and sunset at 7:23 pm CDT.
Sunshine
In Arnold, Kansas, the average sunshine in September is 9.1h.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 ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
How hot does it get in Arnold in September?
What is the average humidity in September in Arnold?
How many days does it rain in September in Arnold?
When it does not snow in Arnold?
Does it snow in Arnold in September?
How many hours of daylight does Arnold have in September?
When is the sunrise / sunset in September in Arnold?
How many hours of sunshine does Arnold have in September?
What is the UV index reading in September in Arnold?
Average temperature in September
Arnold, KS
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (43.3°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 (26.1°F).
Average pressure in September
Arnold, KS
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Arnold, KS
- Average wind speed in September: 11.4mph
The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in September
Arnold, KS
- Average humidity in September: 56%
The months with the highest relative humidity are January and December (63%).
The month with the lowest relative humidity is July (52%).
Average rainfall in September
Arnold, KS
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in September
Arnold, KS
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Arnold, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Arnold, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 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
Arnold, KS
- Average daylight in September: 12h and 2min
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: 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 24min).
Average sunshine days in September
Arnold, KS
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (24.1 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in September
Arnold, 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, November and December (UV index 2).
Average cloud cover in September
Arnold, KS
- Average cloud cover in September: 21
The months with the most cloud cover are February and April (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 18).
Average visibility in September
Arnold, 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).
Arnold, Kansas, USA
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