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 average high-temperature for September is a warm 81.7°F (27.6°C), closely aligning with the temperature of the preceding month. Arlington's average low-temperature during September nights is observed to be a comfortable 62.2°F (16.8°C).Heat index
For most parts of September, the heat index is estimated at a hot 86°F (30°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The average relative humidity in September in Arlington is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In Arlington, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:27 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:40 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. 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
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow in Arlington?
How many hours of daylight does Arlington have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Arlington have in September?
What is the UV index reading in September?
Average temperature in September
Arlington, KY
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Arlington, KY
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Arlington, KY
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January, February, March and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Arlington, KY
- Average humidity in September: 72%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Arlington, KY
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Arlington, KY
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Arlington, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Arlington, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Arlington, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Arlington, KY
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in September
Arlington, KY
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Arlington, KY
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Arlington, KY
- 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).
Arlington, Kentucky, USA
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