September weather forecast
Metcalfe, MS

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Weather in September

The first month of the autumn, September, is still a hot month in Metcalfe, Mississippi, with an average temperature ranging between min 67.3°F (19.6°C) and max 86.2°F (30.1°C).

Temperature

The average high-temperature is a still tropical 86.2°F (30.1°C) in September, hardly different from the 89.6°F (32°C) recorded in August. Metcalfe throughout September, experiences an average nighttime temperature of 67.3°F (19.6°C).

Heat index

Throughout September, the heat index is estimated at a sweltering 96.8°F (36°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In September, the average relative humidity is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.6 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:49 pm CDT.

Sunshine

The average sunshine in September is 9.9h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

An average high-temperature, in September, in Metcalfe, is 86.2°F (30.1°C) and the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 96.8°F (36°C).

What is the average humidity in September?

In September, the average relative humidity is 71%.

What is the driest month in Metcalfe?

The month with the least rainfall is September, when the rain falls for 9.6 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in September in Metcalfe?

In Metcalfe, in September, it is raining for 9.6 days, with typically 0.71" (18mm) of accumulated precipitation.

When it does not snow?

March through December are months without snowfall.

What is the average length of the day in September?

In Metcalfe, the average day length in September is 12h and 22min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:49 pm CDT.

How long on average sun shines in September?

In Metcalfe, the average sunshine duration in September is 9.9h.

What is the UV index intensity in September?

In Metcalfe, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from 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
Metcalfe, MS

Average temperature in September - Metcalfe, MS
  • Average high temperature in September: 86.2°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in September: 67.3°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

Average pressure in September
Metcalfe, MS

Average pressure in September - Metcalfe, 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
Metcalfe, MS

Average wind speed in September - Metcalfe, MS
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Metcalfe, MS

Average humidity in September - Metcalfe, 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 (66%).

Average rainfall in September
Metcalfe, MS

Average rainfall in September - Metcalfe, MS
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in September
Metcalfe, MS

Average rainfall days in September - Metcalfe, MS
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7 days).

Average snowfall in September
Metcalfe, MS

Average snowfall in September - Metcalfe, MS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Metcalfe, MS

Average snowfall days in September - Metcalfe, 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
Metcalfe, MS

Average daylight in September / Average sunshine in September - Metcalfe, 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: 9h and 5min

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 42min).

Average sunshine days in September
Metcalfe, MS

Average sunshine days in September - Metcalfe, MS
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is October (22.9 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in September
Metcalfe, MS

Average UV index in September - Metcalfe, 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
Metcalfe, MS

Average cloud cover in September - Metcalfe, 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
Metcalfe, MS

Average visibility in September - Metcalfe, 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).

Metcalfe, Mississippi, USA

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