September weather forecast
Rocky Springs, MS

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Weather in September

The first month of the autumn, September, is still a tropical month in Rocky Springs, Mississippi, with an average temperature ranging between max 88.2°F (31.2°C) and min 67.6°F (19.8°C).

Temperature

The transition into September shows a subtle variation to a still hot 88.2°F (31.2°C) from August's 92.1°F (33.4°C) in the average high-temperature. Throughout the nights in September, Rocky Springs experiences an average low-temperature of 67.6°F (19.8°C).

Heat index

For September, the heat index is calculated to be a sweltering 102.2°F (39°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. 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. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Rocky Springs, in September, it is raining for 13.4 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 141.8 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

Snowfall

In Rocky Springs, snow does not fall in April through November.

Daylight

In Rocky Springs, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:48 pm CDT.

Sunshine

In Rocky Springs, the average sunshine in September is 9.5h.

UV index

In Rocky Springs, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 in September translates into these instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The average high-temperature, in September, in Rocky Springs, is 88.2°F (31.2°C), while the average low-temperature is 67.6°F (19.8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 102.2°F (39°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How much does it rain in September?

In Rocky Springs, in September, it is raining for 13.4 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

In Rocky Springs, snow does not fall in April through November.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:39 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:48 pm CDT.

How many hours of sunshine does Rocky Springs have in September?

The average sunshine duration in September is 9.5h.

What is the UV index reading in September?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Rocky Springs, MS

Average temperature in September - Rocky Springs, MS
  • Average high temperature in September: 88.2°F

The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in September: 67.6°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in September
Rocky Springs, MS

Average pressure in September - Rocky Springs, 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
Rocky Springs, MS

Average wind speed in September - Rocky Springs, MS
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

Average humidity in September
Rocky Springs, MS

Average humidity in September - Rocky Springs, MS
  • Average humidity in September: 74%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Rocky Springs, MS

Average rainfall in September - Rocky Springs, MS
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is November (1.22").

Average rainfall days in September
Rocky Springs, MS

Average rainfall days in September - Rocky Springs, MS
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is August (17.4 days).
The month with the least rainy days is October (6.9 days).

Average snowfall in September
Rocky Springs, MS

Average snowfall in September - Rocky Springs, 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
Rocky Springs, MS

Average snowfall days in September - Rocky Springs, MS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.7 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
Rocky Springs, MS

Average daylight in September / Average sunshine in September - Rocky Springs, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
Rocky Springs, MS

Average sunshine days in September - Rocky Springs, MS
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is August (11 days).

Average UV index in September
Rocky Springs, MS

Average UV index in September - Rocky Springs, 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
Rocky Springs, MS

Average cloud cover in September - Rocky Springs, MS
  • Average cloud cover in September: 32

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Rocky Springs, MS

Average visibility in September - Rocky Springs, MS
  • Average visibility in September: 6mi

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

Rocky Springs, Mississippi, USA

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