September weather forecastO'Conner, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in O'Conner, Tennessee, with an average temperature varying between 79.5°F (26.4°C) and 59.5°F (15.3°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.5°F (26.4°C). Nighttime temperatures consistently average a moderate 59.5°F (15.3°C) during September.Humidity
In September, the average relative humidity is 77%.Rainfall
In September, in O'Conner, the rain falls for 12.9 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 167.9 rainfall days, and 33.98" (863mm) of precipitation is accumulated.Snowfall
In O'Conner, Tennessee, snow does not fall in May through October.Daylight
In O'Conner, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:14 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:26 pm CDT.
Sunshine
In O'Conner, the average sunshine in September is 8.1h.UV index
In O'Conner, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
O'Conner, TN
- Average high temperature in September: 79.5°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 (43.5°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
O'Conner, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
O'Conner, TN
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
O'Conner, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
O'Conner, TN
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in September
O'Conner, TN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
O'Conner, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
O'Conner, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 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
O'Conner, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
O'Conner, TN
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
O'Conner, 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
O'Conner, TN
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
O'Conner, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, March, July, August and September (5mi).
