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
Diamond Hill notes an average high-temperature of a warm 84.4°F (29.1°C) in September, displaying minor variation from August. An average low-temperature of 64.2°F (17.9°C) is recorded during the nights in September.Heat index
For most parts of September, the heat index is evaluated at a hot 93.2°F (34°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.93" (49mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Diamond Hill is 12h and 22min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:18 pm EDT.
Sunshine
In Diamond Hill, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
What is the driest month?
How much does it rain in Diamond Hill in September?
When it does not snow?
How many hours of daylight does Diamond Hill have in September?
What time are sunrise and sunset in September in Diamond Hill?
How many hours of sunshine does Diamond Hill have in September?
What is the UV index intensity in September?
Average temperature in September
Diamond Hill, GA
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (51.1°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in September
Diamond Hill, GA
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Diamond Hill, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Diamond Hill, GA
- Average humidity in September: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, October and November (72%).
Average rainfall in September
Diamond Hill, GA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Diamond Hill, GA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is August (17.7 days).
The months with the least rainy days are October and November (9.4 days).
Average snowfall in September
Diamond Hill, GA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Diamond Hill, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Diamond Hill, 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 month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Diamond Hill, GA
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Diamond Hill, GA
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Diamond Hill, GA
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Diamond Hill, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Diamond Hill, Georgia, USA
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