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 LaFayette, the average high-temperature in September slightly decreases from a tropical 87.4°F (30.8°C) in August to a warm 81.9°F (27.7°C). An average low-temperature of 61.3°F (16.3°C) marks the month of September.Heat index
The heat index value during September is computed to be a hot 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Know that the heat index computations account for shaded terrains and slight winds. 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 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall in LaFayette is September, when the rain falls for 12.2 days and typically collects 1.85" (47mm) of precipitation.Snowfall
In LaFayette, Georgia, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:14 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine in LaFayette is 8.5h.UV index
In LaFayette, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does LaFayette have in September?
What is the UV index reading in September?
Average temperature in September
LaFayette, GA
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in September
LaFayette, GA
- 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 (29.98"Hg).
Average wind speed in September
LaFayette, GA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
LaFayette, GA
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
LaFayette, GA
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
LaFayette, GA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
LaFayette, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
LaFayette, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.8 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
LaFayette, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- 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
LaFayette, GA
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
LaFayette, GA
- 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 and December (UV index 2).
Average cloud cover in September
LaFayette, GA
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
LaFayette, GA
- Average visibility in September: 5mi
The months with the highest visibility are June, July, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September and December (5mi).
LaFayette, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location