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 onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 79.3°F (26.3°C) in August to a pleasant 72.7°F (22.6°C). Atlantic temperatures generally rest at a low of 53.4°F (11.9°C) during the September nights.Humidity
In September, the average relative humidity in Atlantic is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 1.57" (40mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Atlantic, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September in Atlantic is 8.1h.UV index
In Atlantic, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the temperature in September in Atlantic?
What is the average humidity in September in Atlantic?
What is the driest month in Atlantic?
How many days does it rain in September in Atlantic?
When it does not snow in Atlantic?
Does it snow in Atlantic in September?
What is the average length of the day in September in Atlantic?
When are sunrise and sunset in September in Atlantic?
How long on average sun shines in September in Atlantic?
How high is the UV index in September in Atlantic?
Average temperature in September
Atlantic, PA
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Atlantic, PA
- Average pressure in September: 30.05"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
Atlantic, PA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in September
Atlantic, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in September
Atlantic, PA
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Atlantic, PA
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8 days).
Average snowfall in September
Atlantic, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Atlantic, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Atlantic, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Atlantic, PA
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is August (12.6 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Atlantic, PA
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Atlantic, PA
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Atlantic, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Atlantic, Pennsylvania, USA
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