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
In Lamontville, the average high-temperature in September slightly decreases from a tropical 86.9°F (30.5°C) in August to a warm 81°F (27.2°C). During September, Lamontville experiences a consistent low-temperature average of 59.9°F (15.5°C).Heat index
The heat index value during September is evaluated at a hot 86°F (30°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Lamontville, Tennessee, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall in Lamontville is September, when the rain falls for 11.7 days and typically collects 2.32" (59mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Lamontville is 12h and 23min.On the first day of September, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:24 pm EDT.
Sunshine
In Lamontville, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Lamontville is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Lamontville in September?
What is the average humidity in September in Lamontville?
What is the driest month in Lamontville?
How much does it rain in Lamontville in September?
When it does not snow in Lamontville?
How many hours of daylight does Lamontville have in September?
What time are sunrise and sunset in September in Lamontville?
How long on average sun shines in September in Lamontville?
How high is the UV index in September in Lamontville?
Average temperature in September
Lamontville, TN
- Average high temperature in September: 81°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 (45.5°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Lamontville, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Lamontville, TN
- Average wind speed in September: 4.2mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in September
Lamontville, TN
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).
Average rainfall in September
Lamontville, TN
- Average rainfall in September: 2.32"
The wettest months (with the highest rainfall) are July and December (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in September
Lamontville, TN
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Lamontville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Lamontville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Lamontville, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Lamontville, TN
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Lamontville, 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
Lamontville, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Lamontville, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Lamontville, Tennessee, USA
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