September weather forecast
Sisloff Junction, MS

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Weather in September

The first month of the autumn, September, is still a warm month in Sisloff Junction, Mississippi, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 67.1°F (19.5°C).

Temperature

September's onset brings an average high-temperature of a warm 85.6°F (29.8°C), showing a minute difference from August's 89.2°F (31.8°C). Throughout September, Sisloff Junction registers a consistent average low-temperature of 67.1°F (19.5°C).

Heat index

For September, the heat index is appraised at a fiery hot 95°F (35°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The average relative humidity in September is 71%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

April through October and December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September in Sisloff Junction, sunrise is at 6:35 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:46 pm CDT.

Sunshine

In Sisloff Junction, the average sunshine in September is 9.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

September temperatures vary between a high-temperature of 85.6°F (29.8°C) and a low-temperature of 67.1°F (19.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 95°F (35°C).

What is the average humidity in September?

In Sisloff Junction, the average relative humidity in September is 71%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.05" (52mm) of precipitation.

How many days does it rain in September?

In Sisloff Junction, during September, the rain falls for 13 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow?

In Sisloff Junction, snow does not fall in April through October and December.

What is the average length of the day in September?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:46 pm CDT.

How many hours of sunshine does Sisloff Junction have in September?

The average sunshine duration in September is 9.9h.

What is the UV index intensity in September?

In Sisloff Junction, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sisloff Junction, MS

Average temperature in September - Sisloff Junction, MS
  • Average high temperature in September: 85.6°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).

Average pressure in September
Sisloff Junction, MS

Average pressure in September - Sisloff Junction, 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 (29.95"Hg).

Average wind speed in September
Sisloff Junction, MS

Average wind speed in September - Sisloff Junction, MS
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Sisloff Junction, MS

Average humidity in September - Sisloff Junction, MS
  • Average humidity in September: 71%

The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (67%).

Average rainfall in September
Sisloff Junction, MS

Average rainfall in September - Sisloff Junction, MS
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in September
Sisloff Junction, MS

Average rainfall days in September - Sisloff Junction, MS
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is October (9.3 days).

Average snowfall in September
Sisloff Junction, MS

Average snowfall in September - Sisloff Junction, MS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

Average snowfall days in September
Sisloff Junction, MS

Average snowfall days in September - Sisloff Junction, MS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.1 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
Sisloff Junction, MS

Average daylight in September / Average sunshine in September - Sisloff Junction, MS
  • 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: 10h and 0min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Sisloff Junction, MS

Average sunshine days in September - Sisloff Junction, MS
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (10.5 days).

Average UV index in September
Sisloff Junction, MS

Average UV index in September - Sisloff Junction, 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 and December (UV index 3).

Average cloud cover in September
Sisloff Junction, MS

Average cloud cover in September - Sisloff Junction, MS
  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in September
Sisloff Junction, MS

Average visibility in September - Sisloff Junction, 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).

Sisloff Junction, Mississippi, USA

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