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
September's weather records an average high-temperature of a moderately hot 84.6°F (29.2°C), showing little deviation from August. An average low-temperature of 65.8°F (18.8°C) is observed during the September nights.Heat index
Throughout September, the heat index is appraised at a tropical 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 9.6 days and accumulates 0.55" (14mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:20 pm EDT.
Sunshine
In Monticello, the average sunshine in September is 8.7h.UV index
In Monticello, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 6 in September leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Monticello have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Monticello?
Average temperature in September
Monticello, GA
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.5°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in September
Monticello, GA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Monticello, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Monticello, GA
- Average humidity in September: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in September
Monticello, GA
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in September
Monticello, GA
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in September
Monticello, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January, February, March and December (0.04").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Monticello, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Monticello, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Monticello, GA
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Monticello, GA
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Monticello, GA
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Monticello, GA
- 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).
Monticello, Georgia, USA
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