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
The start of September marks an average high-temperature of a warm 82.2°F (27.9°C), hardly distinguishable from the conditions in August. Throughout the nights in September, Heloise experiences an average low-temperature of 63.9°F (17.7°C).Heat index
In September, the average heat index is appraised at a hot 87.8°F (31°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Note that heat index values are valued for light wind and location in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In September, the average relative humidity in Heloise is 73%.Rainfall
September is the month with the least rainfall in Heloise. Rain falls for 12.5 days and accumulates 1.81" (46mm) of precipitation.Snowfall
April through September are months without snowfall in Heloise.Daylight
In Heloise, the average length of the day in September is 12h and 23min.On the first day of September in Heloise, sunrise is at 6:31 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:43 pm CDT.
Sunshine
In Heloise, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September in Heloise 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 average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in Heloise?
What is the average humidity in September in Heloise?
What is the driest month in Heloise?
How many days does it rain in September in Heloise?
When it does not snow in Heloise?
Does it snow in Heloise in September?
How many hours of daylight does Heloise have in September?
When is the sunrise / sunset in September in Heloise?
How many hours of sunshine does Heloise have in September?
What is the UV index reading in September in Heloise?
Average temperature in September
Heloise, TN
- Average high temperature in September: 82.2°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 (44.6°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Heloise, 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
Heloise, TN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Heloise, 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 (67%).
Average rainfall in September
Heloise, TN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is March (4.29").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Heloise, TN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Heloise, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Heloise, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Heloise, 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 48min).
- Average sunshine in September: 9h and 4min
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 42min).
Average sunshine days in September
Heloise, TN
- Average sunshine days in September: 15.8 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Heloise, 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
Heloise, TN
- Average cloud cover in September: 26
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Heloise, 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).
Heloise, Tennessee, USA
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