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 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
During September, Astoria observes a subtle ascent to a still tropical 86.4°F (30.2°C) from August's 90.5°F (32.5°C) in the average high-temperature. Throughout the September nights, Astoria encounters a low-temperature of 69.8°F (21°C).Heat index
During September, the heat index is appraised at a sweltering 98.6°F (37°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. 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 are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In September, the average relative humidity in Astoria is 77%.Rainfall
In Astoria, in September, during 12.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Astoria, during the entire year, the rain falls for 139 days and collects up to 15.12" (384mm) of precipitation.Daylight
In September, the average length of the day in Astoria is 12h and 20min.On the first day of September in Astoria, Georgia, sunrise is at 7:05 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:15 pm EDT.
Sunshine
In Astoria, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
Is it hot in Astoria during September?
What is the average humidity in September in Astoria?
How much does it rain in Astoria in September?
What is the average length of the day in September in Astoria?
When is the sunrise / sunset in September in Astoria?
How long on average sun shines in September in Astoria?
What is the UV index intensity in September in Astoria?
Average temperature in September
Astoria, GA
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in September: 69.8°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in September
Astoria, GA
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in September
Astoria, GA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Astoria, GA
- Average humidity in September: 77%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in September
Astoria, GA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Astoria, GA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (6.2 days).
Average daylight in September /
Average sunshine in September
Astoria, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Astoria, GA
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in September
Astoria, 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
Astoria, GA
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Astoria, 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).
Astoria, Georgia, USA
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