September weather forecastDulaney, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dulaney, Tennessee, with an average temperature fluctuating between 79.9°F (26.6°C) and 57°F (13.9°C).Temperature
The shift into September records an average high-temperature of a still moderately hot 79.9°F (26.6°C), subtly varied from August's 84.7°F (29.3°C). Dulaney's nighttime temperature in September demonstrates a noticeable plunge to a moderate 57°F (13.9°C).Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.9 days and typically collects 1.61" (41mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Dulaney, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine in Dulaney is 8.8h.UV index
In Dulaney, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dulaney, TN
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Dulaney, TN
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Dulaney, TN
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Dulaney, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in September
Dulaney, TN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Dulaney, TN
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in September
Dulaney, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dulaney, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 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
Dulaney, TN
- Average daylight in September: 12h and 24min
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 48min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Dulaney, TN
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Dulaney, TN
- 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, February and December (UV index 2).
Average cloud cover in September
Dulaney, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Dulaney, TN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
