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 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
The advent of September denotes an average high-temperature of a moderately hot 83.8°F (28.8°C), subtly different from August's 89.1°F (31.7°C). Bethlehem's average low-temperature is measured at a refreshing 64.2°F (17.9°C) during September.Heat index
September's mean heat index is estimated at a hot 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The months with the lowest humidity in Bethlehem are July, September through November, with an average relative humidity of 72%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Bethlehem, during the entire year, the rain falls for 160.8 days and collects up to 36.73" (933mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 7:09 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Bethlehem, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Bethlehem in September?
What is the least humid month in Bethlehem?
What is the average humidity in September in Bethlehem?
How much does it rain in Bethlehem in September?
When it does not snow in Bethlehem?
What is the average length of the day in September in Bethlehem?
When is the sunrise / sunset in September in Bethlehem?
How many hours of sunshine does Bethlehem have in September?
What is the UV index reading in September in Bethlehem?
Average temperature in September
Bethlehem, GA
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Bethlehem, GA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Bethlehem, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Bethlehem, GA
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, September, October and November (72%).
Average rainfall in September
Bethlehem, GA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (4.21").
The driest month (with the least rainfall) is October (1.73").
Average rainfall days in September
Bethlehem, GA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is October (8 days).
Average snowfall in September
Bethlehem, GA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Bethlehem, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bethlehem, GA
- 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: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Bethlehem, GA
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Bethlehem, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Bethlehem, GA
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Bethlehem, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Bethlehem, Georgia, USA
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