September weather forecast
Morning Star, MS

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Weather in September

September, the first month of the autumn in Morning Star, is still a hot month, with temperature in the range of an average low of 68°F (20°C) and an average high of 87.4°F (30.8°C).

Temperature

Transitioning from August to September, Morning Star observes an average high-temperature of a still hot 87.4°F (30.8°C), differing subtly from the previous month. Morning Star encounters a steady low-temperature average of 68°F (20°C) throughout the month of September.

Heat index

For September, the heat index is evaluated at a sweltering 100.4°F (38°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 are particularly meaningful for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Morning Star, during September, the rain falls for 13.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 161.5 rainfall days, and 31.65" (804mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Morning Star.

Daylight

The average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:26 pm. On the last day of September, in Morning Star, sunrise is at 6:56 am and sunset at 6:47 pm CDT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 6 suggests these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

In Morning Star, 87.4°F (30.8°C) is the average high-temperature and 68°F (20°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 100.4°F (38°C).

What is the average humidity in September?

In Morning Star, the average relative humidity in September is 73%.

How much does it rain in September?

In September, the rain falls for 13.5 days. Throughout September, 2.2" (56mm) of precipitation is accumulated.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 21min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:47 pm CDT.

How long on average sun shines in September?

In Morning Star, the average sunshine duration in September is 9.6h.

How high is the UV index in September?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
Morning Star, MS

Average temperature in September - Morning Star, MS
  • Average high temperature in September: 87.4°F

The warmest month (with the highest average high temperature) is August (91.6°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is August (72.7°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).

Average pressure in September
Morning Star, MS

Average pressure in September - Morning Star, 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
Morning Star, MS

Average wind speed in September - Morning Star, MS
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

Average humidity in September
Morning Star, MS

Average humidity in September - Morning Star, MS
  • Average humidity in September: 73%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Morning Star, MS

Average rainfall in September - Morning Star, MS
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is November (1.69").

Average rainfall days in September
Morning Star, MS

Average rainfall days in September - Morning Star, MS
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is August (19.2 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in September
Morning Star, MS

Average snowfall in September - Morning Star, MS
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Morning Star, MS

Average snowfall days in September - Morning Star, MS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1 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
Morning Star, MS

Average daylight in September / Average sunshine in September - Morning Star, 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 4min

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 54min).

Average sunshine days in September
Morning Star, MS

Average sunshine days in September - Morning Star, MS
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Morning Star, MS

Average UV index in September - Morning Star, 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
Morning Star, MS

Average cloud cover in September - Morning Star, MS
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in September
Morning Star, MS

Average visibility in September - Morning Star, 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).

Morning Star, Mississippi, USA

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