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
With the arrival of September, Holly Bluff's average high-temperature registers at a still hot 86.9°F (30.5°C), indicating a subtle variation from the previous month. Throughout September, an average nighttime temperature of 67.6°F (19.8°C) is experienced.Heat index
The heat index value for September is evaluated at a very hot 98.6°F (37°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The average relative humidity in September in Holly Bluff is 71%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. In Holly Bluff, during the entire year, the rain falls for 163.6 days and collects up to 39.61" (1006mm) of precipitation.Snowfall
In Holly Bluff, snow does not fall in April through October and December.Daylight
In September, the average length of the day in Holly Bluff, Mississippi, is 12h and 22min.On the first day of September in Holly Bluff, sunrise is at 6:37 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:48 pm CDT.
Sunshine
In September, the average sunshine is 10h.UV index
The average daily maximum UV index in September in Holly Bluff is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Holly Bluff in September?
What is the average humidity in September in Holly Bluff?
How many days does it rain in September in Holly Bluff?
When it does not snow in Holly Bluff?
What is the average length of the day in September in Holly Bluff?
What time are sunrise and sunset in September in Holly Bluff?
How long on average sun shines in September in Holly Bluff?
What is the UV index intensity in September in Holly Bluff?
Average temperature in September
Holly Bluff, MS
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in September
Holly Bluff, MS
- Average pressure in September: 29.99"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
Holly Bluff, MS
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Holly Bluff, 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 (67%).
Average rainfall in September
Holly Bluff, MS
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
Holly Bluff, MS
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (9.2 days).
Average snowfall in September
Holly Bluff, 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, October and December (0").
Average snowfall days in September
Holly Bluff, 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
Holly Bluff, 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: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Holly Bluff, MS
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Holly Bluff, MS
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Holly Bluff, MS
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Holly Bluff, 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).
Holly Bluff, Mississippi, USA
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