September weather forecast
Jamesburg, GA

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Weather in September

September, the first month of the autumn in Jamesburg, is also a moderately hot month, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 81.5°F (27.5°C).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's tropical 87.3°F (30.7°C) to a warm 81.5°F (27.5°C). An average nighttime temperature of 60.8°F (16°C) is noted during the month of September.

Heat index

During September, the heat index is estimated at a hot 87.8°F (31°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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

The average relative humidity in September is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.6" (66mm) of precipitation.

Snowfall

In Jamesburg, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 7:15 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:26 pm EDT.

Sunshine

In Jamesburg, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 5 in September translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in Jamesburg, is 81.5°F (27.5°C) and the average low-temperature is 60.8°F (16°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September in Jamesburg is 77%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.6" (66mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 13 days. Throughout September, 2.6" (66mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall in Jamesburg.

How many hours of daylight does Jamesburg have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:15 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:26 pm EDT.

How long on average sun shines in September?

In Jamesburg, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Jamesburg?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Jamesburg, GA

Average temperature in September - Jamesburg, GA
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46.6°F).

  • Average low temperature in September: 60.8°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in September
Jamesburg, GA

Average pressure in September - Jamesburg, GA
  • Average pressure in September: 30.03"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
Jamesburg, GA

Average wind speed in September - Jamesburg, GA
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Jamesburg, GA

Average humidity in September - Jamesburg, GA
  • Average humidity in September: 77%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Jamesburg, GA

Average rainfall in September - Jamesburg, GA
  • Average rainfall in September: 2.6"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is September (2.6").

Average rainfall days in September
Jamesburg, GA

Average rainfall days in September - Jamesburg, GA
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in September
Jamesburg, GA

Average snowfall in September - Jamesburg, GA
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Jamesburg, GA

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

The month with the highest number of snowfall days is January (2.3 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
Jamesburg, GA

Average daylight in September / Average sunshine in September - Jamesburg, GA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
Jamesburg, GA

Average sunshine days in September - Jamesburg, GA
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.7 days).

Average UV index in September
Jamesburg, GA

Average UV index in September - Jamesburg, 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 and December (UV index 2).

Average cloud cover in September
Jamesburg, GA

Average cloud cover in September - Jamesburg, GA
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 32).

Average visibility in September
Jamesburg, GA

Average visibility in September - Jamesburg, GA
  • Average visibility in September: 5mi

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

Jamesburg, Georgia, USA

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