September weather forecast
Mason, GA

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Weather in September

The first month of the autumn, September, is still a warm month in Mason, Georgia, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 64.6°F (18.1°C).

Temperature

The advent of September signifies a minor shift to an average high-temperature of a warm 84.2°F (29°C), aligning closely with August. During September, the average low-temperature is recorded at a refreshing 64.6°F (18.1°C).

Heat index

In September, the heat index is estimated at a tropical 91.4°F (33°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Given the heat index, its values are aligned with shaded sites and gentle winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 14.1 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 181.7 rainfall days, and 39.06" (992mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Mason.

Daylight

In Mason, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 7:15 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:26 pm EDT.

Sunshine

In Mason, Georgia, the average sunshine in September is 8.5h.

UV index

In Mason, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

How hot is September?

In Mason, 84.2°F (29°C) is the average high-temperature and 64.6°F (18.1°C) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in September is estimated at 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How many days does it rain in September?

In September, the rain falls for 14.1 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow?

In Mason, snow does not fall in April through November.

What is the average length of the day in September?

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

What time are sunrise and sunset in September in Mason?

In September, on the first day of the month, sunrise is at 7:15 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:26 pm EDT.

How many hours of sunshine does Mason have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Mason, GA

Average temperature in September - Mason, GA
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in September
Mason, GA

Average pressure in September - Mason, GA
  • 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 (29.98"Hg).

Average wind speed in September
Mason, GA

Average wind speed in September - Mason, GA
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in September
Mason, GA

Average humidity in September - Mason, GA
  • Average humidity in September: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Mason, GA

Average rainfall in September - Mason, GA
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (1.93").

Average rainfall days in September
Mason, GA

Average rainfall days in September - Mason, GA
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in September
Mason, GA

Average snowfall in September - Mason, GA
  • 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
Mason, GA

Average snowfall days in September - Mason, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Mason, GA

Average daylight in September / Average sunshine in September - Mason, GA
  • 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: 8h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in September
Mason, GA

Average sunshine days in September - Mason, GA
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in September
Mason, GA

Average UV index in September - Mason, GA
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Mason, GA

Average cloud cover in September - Mason, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in September
Mason, GA

Average visibility in September - Mason, GA
  • Average visibility in September: 6mi

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

Mason, Georgia, USA

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