September weather forecastRehoboth, TN
September
Weather in September
September, the first month of the autumn in Rehoboth, is also a moderately hot month, with an average temperature fluctuating between 81.9°F (27.7°C) and 63.3°F (17.4°C).Temperature
The introduction of September notes a subtle temperature variation to a warm 81.9°F (27.7°C) from August's 86.7°F (30.4°C). Rehoboth's average low-temperature in September is measured at a refreshing 63.3°F (17.4°C).Heat index
During September, the heat index is appraised at a tropical 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.65" (42mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Rehoboth, Tennessee, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:29 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm CDT.
Sunshine
In Rehoboth, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index in Rehoboth is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rehoboth, TN
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
Rehoboth, TN
- Average pressure in September: 30.01"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
Rehoboth, TN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in September
Rehoboth, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Rehoboth, TN
- Average rainfall in September: 1.65"
The wettest months (with the highest rainfall) are February and April (4.29").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Rehoboth, TN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Rehoboth, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rehoboth, TN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.5 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
Rehoboth, 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: 9h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Rehoboth, TN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Rehoboth, TN
- 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 February and December (UV index 2).
Average cloud cover in September
Rehoboth, TN
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Rehoboth, TN
- 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).





