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
September indicates a minor shift in the average high-temperature, from August's moderately hot 78.3°F (25.7°C) to a pleasant 71.1°F (21.7°C). During September, Athens observes a consistent average nighttime temperature of 50°F (10°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 12 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. In Athens, Pennsylvania, during the entire year, the rain falls for 153.6 days and collects up to 23.78" (604mm) of precipitation.Snowfall
In Athens, snow does not fall in June through September.Daylight
In Athens, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:32 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against skin and eye damage is obliged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Athens in September?
What is the average humidity in September in Athens?
How much does it rain in Athens in September?
When it does not snow in Athens?
Does it snow in Athens in September?
How many hours of daylight does Athens have in September?
When is the sunrise / sunset in September in Athens?
How many hours of sunshine does Athens have in September?
How high is the UV index in September in Athens?
Average temperature in September
Athens, PA
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Athens, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Athens, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Athens, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April, May, June and July (78%).
Average rainfall in September
Athens, PA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Athens, PA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Athens, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Athens, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Athens, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Athens, PA
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Athens, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Athens, PA
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Athens, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Athens, Pennsylvania, USA
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