Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a hot 86.5°F (30.3°C) in August to a moderately hot 81.1°F (27.3°C). Throughout September nights, Martha experiences a consistent temperature average of 62.2°F (16.8°C).Heat index
September's mean heat index is estimated at a hot 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.For clarity, heat index numbers account for light winds and areas under shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Martha, in September, during 12.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 159.4 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
In Martha, snow does not fall in May through October.Daylight
In Martha, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are the temperatures in Martha in September?
What is the average humidity in September in Martha?
How many days does it rain in September in Martha?
When it does not snow in Martha?
How many hours of daylight does Martha have in September?
What time are sunrise and sunset in September in Martha?
How long on average sun shines in September in Martha?
How high is the UV index in September in Martha?
Average temperature in September
Martha, TN
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
Martha, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Martha, TN
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Martha, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are June, October and November (74%).
Average rainfall in September
Martha, TN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in September
Martha, TN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Martha, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Martha, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.1 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
Martha, TN
- Average daylight in September: 12h and 2min
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 3min
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
Martha, TN
- Average sunshine days in September: 15.2 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Martha, 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
Martha, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Martha, 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).
Martha, Tennessee, USA
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