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
During September, Atlanta records an average high-temperature of a still warm 74.8°F (23.8°C), marking a slight divergence from August's 79.9°F (26.6°C). During the month of September, an average temperature of 57.2°F (14°C) is noted during the nights.Humidity
In September, the average relative humidity in Atlanta, Indiana, is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.93" (49mm) of precipitation.Snowfall
In Atlanta, Indiana, snow does not fall in May through September.Daylight
In Atlanta, the average length of the day in September is 12h and 26min.On the first day of September in Atlanta, sunrise is at 7:12 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:27 pm EDT.
Sunshine
In September, the average sunshine in Atlanta is 8.2h.UV index
The average daily maximum UV index in September in Atlanta is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Atlanta?
What is the average humidity in September in Atlanta?
What is the driest month in Atlanta?
How many days does it rain in September in Atlanta?
When it does not snow in Atlanta?
Does it snow in Atlanta in September?
How many hours of daylight does Atlanta have in September?
When is the sunrise / sunset in September in Atlanta?
How many hours of sunshine does Atlanta have in September?
How high is the UV index in September in Atlanta?
Average temperature in September
Atlanta, IN
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Atlanta, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Atlanta, IN
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Atlanta, IN
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Atlanta, IN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Atlanta, IN
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Atlanta, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Atlanta, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Atlanta, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Atlanta, IN
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Atlanta, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Atlanta, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Atlanta, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Atlanta, Indiana, USA
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