September weather forecast
Unity, MS

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Weather in September

The first month of the autumn, September, is still a warm month in Unity, Mississippi, with an average temperature fluctuating between 84.9°F (29.4°C) and 64.8°F (18.2°C).

Temperature

Unity in September undergoes a slight reduction in the average high-temperature, shifting from August's hot 90.3°F (32.4°C) to a moderately hot 84.9°F (29.4°C). During September, the average low-temperature is recorded at a refreshing 64.8°F (18.2°C).

Heat index

The heat index in September is appraised at a tropical 93.2°F (34°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in September in Unity is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 2.24" (57mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm CDT.

Sunshine

In September, the average sunshine in Unity is 9.1h.

UV index

In September, the average daily maximum UV index in Unity 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: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Unity?

The high-temperature, in September, in Unity, is 84.9°F (29.4°C), while the low-temperature averages to 64.8°F (18.2°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 93.2°F (34°C).

What is the average humidity in September in Unity?

In Unity, the average relative humidity in September is 72%.

What is the driest month in Unity?

September is the month with the least rainfall in Unity, Mississippi. Rain falls for 12.8 days and accumulates 2.24" (57mm) of precipitation.

How much does it rain in Unity in September?

In Unity, in September, during 12.8 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in Unity?

In Unity, snow does not fall in April through October.

How many hours of daylight does Unity have in September?

In September, the average day length in Unity, Mississippi, is 12h and 23min.

When are sunrise and sunset in September in Unity?

On the first day of September, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm CDT.

How many hours of sunshine does Unity have in September?

In September, the average sunshine duration in Unity is 9.1h.

What is the UV index reading in September in Unity?

In September, the average daily maximum UV index in Unity, Mississippi, is 5. A UV Index value of 3 to 5 symbolizes a moderate 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
Unity, MS

Average temperature in September - Unity, MS
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 64.8°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in September
Unity, MS

Average pressure in September - Unity, MS
  • Average pressure in September: 30.01"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
Unity, MS

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

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in September
Unity, MS

Average humidity in September - Unity, MS
  • Average humidity in September: 72%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Unity, MS

Average rainfall in September - Unity, MS
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is February (4.29").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in September
Unity, MS

Average rainfall days in September - Unity, MS
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in September
Unity, MS

Average snowfall in September - Unity, 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 and October (0").

Average snowfall days in September
Unity, MS

Average snowfall days in September - Unity, MS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.8 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
Unity, MS

Average daylight in September / Average sunshine in September - Unity, 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: 9h and 54min).

  • Average sunshine in September: 9h and 1min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Unity, MS

Average sunshine days in September - Unity, MS
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in September
Unity, MS

Average UV index in September - Unity, MS
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Unity, MS

Average cloud cover in September - Unity, MS
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in September
Unity, MS

Average visibility in September - Unity, MS
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Unity, Mississippi, USA

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