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 average high-temperature is a still tropical 86.2°F (30.1°C) in September, hardly different from the 90.3°F (32.4°C) recorded in August. Greenwood's average low-temperature in the month of September is recorded at a comfortable 66.6°F (19.2°C).Heat index
For most parts of September, the heat index is estimated at a fiery hot 96.8°F (36°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in September is 71%.Rainfall
September is the month with the least rainfall in Greenwood, Mississippi. Rain falls for 10.5 days and accumulates 1.42" (36mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:35 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine in Greenwood, Mississippi, is 9.5h.UV index
In Greenwood, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
How hot is September in Greenwood?
What is the average humidity in September in Greenwood?
What is the driest month in Greenwood?
How many days does it rain in September in Greenwood?
When it does not snow in Greenwood?
How many hours of daylight does Greenwood have in September?
What time are sunrise and sunset in September in Greenwood?
How long on average sun shines in September in Greenwood?
What is the UV index reading in September in Greenwood?
Average temperature in September
Greenwood, MS
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in September: 66.6°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in September
Greenwood, MS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Greenwood, MS
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Greenwood, MS
- Average humidity in September: 71%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Greenwood, MS
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Greenwood, MS
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in September
Greenwood, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Greenwood, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Greenwood, MS
- 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: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Greenwood, MS
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Greenwood, MS
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Greenwood, MS
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Greenwood, MS
- 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).
Greenwood, Mississippi, USA
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