September weather forecastAmersham, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Amersham, Tennessee, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 80.2°F (26.8°C).Temperature
The commencement of September records an average high-temperature of a still moderately hot 80.2°F (26.8°C), barely varying from August's 85.3°F (29.6°C). September, marked by an average low-temperature of 56.3°F (13.5°C), indicates a large temperature drop from the daytime peak.Humidity
July through September and November, with an average relative humidity of 74%, are the least humid months in Amersham.Rainfall
September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 0.98" (25mm) of precipitation.Snowfall
In Amersham, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Amersham, sunrise is at 7:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine in Amersham, Tennessee, is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Amersham, TN
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Amersham, TN
- Average pressure in September: 30.06"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
Amersham, TN
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Amersham, TN
- Average humidity in September: 74%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).
Average rainfall in September
Amersham, TN
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
Amersham, TN
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Amersham, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Amersham, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 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
Amersham, 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: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Amersham, TN
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Amersham, 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
Amersham, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Amersham, 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).
