September weather forecast
Flowood, MS

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Weather in September

September, the first month of the autumn in Flowood, is also a hot month, with an average temperature fluctuating between 87.3°F (30.7°C) and 67.5°F (19.7°C).

Temperature

As August transitions into September, the average high-temperature rests at a still hot 87.3°F (30.7°C), maintaining a close resemblance to the previous month. In September, in Flowood, the average low-temperature is an enjoyable 67.5°F (19.7°C).

Heat index

The average heat index in September is calculated to be a torrid 100.4°F (38°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Flowood, Mississippi, the average relative humidity in September is 73%.

Rainfall

In Flowood, during September, the rain falls for 11.9 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Flowood, during the entire year, the rain falls for 152.1 days and collects up to 29.72" (755mm) of precipitation.

Snowfall

In Flowood, snow does not fall in March through December.

Daylight

The average length of the day in September in Flowood is 12h and 21min.
On the first day of September, sunrise is at 6:36 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:46 pm CDT.

Sunshine

In Flowood, the average sunshine in September is 9.7h.

UV index

The average daily maximum UV index in September in Flowood is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, a daily UV index of 6 turns into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Flowood during September?

An average high-temperature, in September, in Flowood, is 87.3°F (30.7°C) and the average low-temperature is 67.5°F (19.7°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 100.4°F (38°C).

What is the average humidity in September in Flowood?

In Flowood, Mississippi, the average relative humidity in September is 73%.

How much does it rain in Flowood in September?

In Flowood, Mississippi, in September, it is raining for 11.9 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Flowood?

In Flowood, snow does not fall in March through December.

What is the average length of the day in September in Flowood?

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

When are sunrise and sunset in September in Flowood?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:46 pm CDT.

How many hours of sunshine does Flowood have in September?

In Flowood, Mississippi, the average sunshine duration in September is 9.7h.

What is the UV index intensity in September in Flowood?

The average daily maximum UV index in September in Flowood, Mississippi, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Flowood, MS

Average temperature in September - Flowood, MS
  • Average high temperature in September: 87.3°F

The warmest months (with the highest average high temperature) are July and August (91.8°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in September: 67.5°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

Average pressure in September
Flowood, MS

Average pressure in September - Flowood, 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
Flowood, MS

Average wind speed in September - Flowood, MS
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

Average humidity in September
Flowood, MS

Average humidity in September - Flowood, 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
Flowood, MS

Average rainfall in September - Flowood, MS
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (1.81").

Average rainfall days in September
Flowood, MS

Average rainfall days in September - Flowood, MS
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in September
Flowood, MS

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Flowood, MS

Average snowfall days in September - Flowood, 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 and October (0 days).

Average daylight in September /
Average sunshine in September
Flowood, MS

Average daylight in September / Average sunshine in September - Flowood, 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
Flowood, MS

Average sunshine days in September - Flowood, MS
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Flowood, MS

Average UV index in September - Flowood, 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
Flowood, MS

Average cloud cover in September - Flowood, 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
Flowood, MS

Average visibility in September - Flowood, 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).

Flowood, Mississippi, USA

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