September weather forecastHathaway, TN
September
Weather in September
September, the first month of the autumn in Hathaway, is also a moderately hot month, with an average temperature ranging between max 81.9°F (27.7°C) and min 63.5°F (17.5°C).Temperature
At the onset of September, Hathaway records an average high-temperature of a moderately hot 81.9°F (27.7°C), showing little deviation from the preceding month. Throughout September, the average low-temperature records at a comfortable 63.5°F (17.5°C).Heat index
The average heat index in September is calculated to be a tropical 86°F (30°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In September, the average relative humidity in Hathaway is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.9 days and typically collects 0.35" (9mm) of precipitation.Snowfall
April through September are months without snowfall in Hathaway.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:26 pm. On the last day of September, in Hathaway, sunrise is at 6:53 am and sunset at 6:43 pm CDT.
Sunshine
The average sunshine in September in Hathaway is 9.7h.UV index
In September, the average daily maximum UV index in Hathaway is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hathaway, 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 (44.1°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Hathaway, 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 (29.94"Hg).
Average wind speed in September
Hathaway, TN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Hathaway, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Hathaway, TN
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is February (1.26").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Hathaway, TN
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in September
Hathaway, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.35").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Hathaway, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hathaway, 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 42min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Hathaway, TN
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in September
Hathaway, TN
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Hathaway, TN
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Hathaway, 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).
