September weather forecastOlive Branch, MS
September
Weather in September
September nudges Olive Branch into the cooler climes of autumn from the summer's heat. Though the temperature remains relatively warm, there's a noticeable cooling trend. Skies are more often than not crystal clear as cloud cover decreases compared to August. Winds pick up a bit more, breaking the monotony of heat that has been prevalent. The greatest change from the preceding month is the reduction in rainfall, far less than August.Temperature
With the advent of September, Olive Branch's high-temperatures adjust to a moderately hot 84.4°F (29.1°C), closely aligning with the preceding month. Throughout September, Olive Branch experiences a low-temperature average of 65.5°F (18.6°C).Heat index
For most parts of September, the heat index is calculated to be a tropical 91.4°F (33°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In Olive Branch, the average relative humidity in September is 71%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.73" (44mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Olive Branch is 12h and 23min.On the first day of September, sunrise is at 6:32 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:44 pm CDT.
Sunshine
In September, the average sunshine is 9.6h.UV index
In Olive Branch, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Olive Branch, MS
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Olive Branch, 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 (29.95"Hg).
Average wind speed in September
Olive Branch, MS
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Olive Branch, MS
- Average humidity in September: 71%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Olive Branch, MS
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is February (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Olive Branch, MS
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Olive Branch, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Olive Branch, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Olive Branch, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 36min
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 42min).
Average sunshine days in September
Olive Branch, MS
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in September
Olive Branch, 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, February and December (UV index 3).
Average cloud cover in September
Olive Branch, MS
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).
Average visibility in September
Olive Branch, 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).
