Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September commences in Savannah with an average high-temperature of a warm 85.5°F (29.7°C), showing little deviation from August's 89.8°F (32.1°C). In the month of September, the temperature generally rests at an average low of 72.5°F (22.5°C).Heat index
In September, the average heat index is evaluated at a very hot 95°F (35°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in September is 75%.Rainfall
In Savannah, Georgia, during September, the rain falls for 13.5 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Savannah, during the entire year, the rain falls for 155.6 days and collects up to 29.41" (747mm) of precipitation.Snowfall
In Savannah, snow does not fall in February through November.Ocean temperature
In September, the average ocean temperature is 82°F (27.8°C).Note: Between 77°F (25°C) and 84.2°F (29°C), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.
Daylight
The average length of the day in September in Savannah is 12h and 21min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:48 pm. On the last day of September, in Savannah, sunrise is at 7:18 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September in Savannah is 8.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Frequently asked questions
How hot does it get in Savannah in September?
What is the average humidity in September in Savannah?
How much does it rain in Savannah in September?
When it does not snow in Savannah?
What is the water temperature in September in Savannah?
How many hours of daylight does Savannah have in September?
When are sunrise and sunset in September in Savannah?
How long on average sun shines in September in Savannah?
What is the UV index reading in September in Savannah?
Average temperature in September
Savannah, GA
- Average high temperature in September: 85.5°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in September: 72.5°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).
Average pressure in September
Savannah, GA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Savannah, GA
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Savannah, GA
- Average humidity in September: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Savannah, GA
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in September
Savannah, GA
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Savannah, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Savannah, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Savannah, GA
- Average sea temperature in September: 82°F
The best month for swimming (with the highest average sea temperature) is August (83.7°F).
The coldest month (with the lowest average sea temperature) is February (56.6°F).
Average daylight in September /
Average sunshine in September
Savannah, GA
- 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: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Savannah, GA
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in September
Savannah, GA
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Savannah, GA
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Savannah, GA
- 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).
Savannah, Georgia, USA
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