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 brings a minor shift in the average high-temperature, adjusting from a hot 88.3°F (31.3°C) in August to a moderately hot 82.2°F (27.9°C). During September, Dallas experiences an average low-temperature of 62.6°F (17°C) at night.Heat index
In September, the heat index is appraised at a hot 87.8°F (31°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In September, the average relative humidity is 73%.Rainfall
In Dallas, in September, it is raining for 13.4 days, with typically 2.2" (56mm) of accumulated precipitation. In Dallas, during the entire year, the rain falls for 158.9 days and collects up to 31.26" (794mm) of precipitation.Snowfall
In Dallas, North Carolina, snow does not fall in April through October.Daylight
The average length of the day in September in Dallas is 12h and 23min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:09 pm EDT.
Sunshine
In Dallas, the average sunshine in September is 8.6h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the average September temperature in Dallas?
What is the average humidity in September in Dallas?
How much does it rain in Dallas in September?
When it does not snow in Dallas?
What is the average length of the day in September in Dallas?
When is the sunrise / sunset in September in Dallas?
How long on average sun shines in September in Dallas?
How high is the UV index in September in Dallas?
Average temperature in September
Dallas, NC
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Dallas, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Dallas, NC
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Dallas, NC
- Average humidity in September: 73%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Dallas, NC
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").
Average rainfall days in September
Dallas, NC
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Dallas, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Dallas, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Dallas, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Dallas, NC
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Dallas, NC
- 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
Dallas, NC
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Dallas, NC
- 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).
Dallas, North Carolina, USA
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