September weather forecast
Graves, MS

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Graves, Mississippi, with an average temperature varying between 84.9°F (29.4°C) and 64.8°F (18.2°C).

Temperature

The commencement of September indicates a gentle shift in the average high-temperature, receding from August's tropical 90.3°F (32.4°C) to a warm 84.9°F (29.4°C). During the nights in September, Graves experiences a consistent average temperature of 64.8°F (18.2°C).

Heat index

The heat index value for September is estimated at a hot 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In Graves, the average relative humidity in September 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

In Graves, the average length of the day in September is 12h and 23min.
On the first day of September in Graves, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:40 pm CDT.

Sunshine

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September in Graves is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

How hot does it get in Graves in September?

The average high-temperature, in September, in Graves, is 84.9°F (29.4°C), while the average low-temperature is 64.8°F (18.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 93.2°F (34°C).

What is the average humidity in September in Graves?

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

What is the driest month in Graves?

The month with the least rainfall in Graves, Mississippi, is September, when the rain falls for 12.8 days and typically collects 2.24" (57mm) of precipitation.

How much does it rain in Graves in September?

In Graves, Mississippi, in September, it is raining for 12.8 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Graves?

April through October are months without snowfall in Graves.

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

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

When is the sunrise / sunset in September in Graves?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, in Graves, sunrise is at 6:49 am and sunset at 6:40 pm CDT.

How many hours of sunshine does Graves have in September?

The average sunshine duration in September is 9.1h.

How high is the UV index in September in Graves?

The average daily maximum UV index in September in Graves is 5. A UV Index estimate of 3 to 5 represents a moderate 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
Graves, MS

Average temperature in September - Graves, 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).

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Average pressure in September
Graves, MS

Average pressure in September - Graves, 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).

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Average wind speed in September
Graves, MS

Average wind speed in September - Graves, 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).

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Average humidity in September
Graves, MS

Average humidity in September - Graves, 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%).

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Average rainfall in September
Graves, MS

Average rainfall in September - Graves, 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").

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Average rainfall days in September
Graves, MS

Average rainfall days in September - Graves, 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).

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Average snowfall in September
Graves, MS

Average snowfall in September - Graves, 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").

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Average snowfall days in September
Graves, MS

Average snowfall days in September - Graves, 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).

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

Average daylight in September / Average sunshine in September - Graves, 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).

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Average sunshine days in September
Graves, MS

Average sunshine days in September - Graves, 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).

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Average UV index in September
Graves, MS

Average UV index in September - Graves, 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).

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Average cloud cover in September
Graves, MS

Average cloud cover in September - Graves, 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).

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Average visibility in September
Graves, MS

Average visibility in September - Graves, 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).

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Graves, Mississippi, USA

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