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
Santee, Mississippi, records a slight change with September's average high-temperatures adjusting to a still hot 87.4°F (30.8°C) from August's 91.4°F (33°C). The nighttime temperature in Santee dips to an enjoyable 67.8°F (19.9°C) on average during September.Heat index
Throughout September, the heat index is appraised at a torrid 102.2°F (39°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Santee, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 15 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. In Santee, during the entire year, the rain falls for 168 days and collects up to 34.17" (868mm) of precipitation.Snowfall
In Santee, snow does not fall in April through November.Daylight
The average length of the day in September in Santee, Mississippi, is 12h and 21min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:44 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Santee, Mississippi, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
Is it hot in Santee during September?
What is the average humidity in September in Santee?
How much does it rain in Santee in September?
When it does not snow in Santee?
How many hours of daylight does Santee have in September?
When are sunrise and sunset in September in Santee?
How many hours of sunshine does Santee have in September?
How high is the UV index in September in Santee?
Average temperature in September
Santee, MS
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in September: 67.8°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 (39°F).
Average pressure in September
Santee, MS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Santee, MS
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Santee, MS
- Average humidity in September: 75%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Santee, MS
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in September
Santee, MS
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Santee, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Santee, MS
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Santee, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Santee, MS
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (9 days).
Average UV index in September
Santee, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Santee, MS
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Santee, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Santee, Mississippi, USA
Weather forecast for your location
2. Allow the app to use your location
