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Weather in Atlantic County for September 2025

Your guide to Atlantic County weather in September - trends and predictions
  • In general, the average temperature in Atlantic County at the beginning of September is 22.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 19.7 °F by the end of September.

  • Expect significant rainfall in Atlantic County during September, with an average of 16 rainy days.

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Average dry days
14
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/17°
Temperatures
Average wind speed
29 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Atlantic County in September average weather

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Temperatures trend during September in Atlantic County

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Light rain shower
Light rain shower
25° /21° 13 mm 6
Sept. 2 Overcast
Overcast
24° /19° 0.4 mm 5
Sept. 3 Sunny
Sunny
20° /17° 0 mm 6
Sept. 4 Overcast
Overcast
21° /18° 0 mm 5
Sept. 5 Patchy rain possible
Patchy rain possible
22° /19° 0.1 mm 5
Sept. 6 Patchy rain possible
Patchy rain possible
22° /20° 0.9 mm 5
Sept. 7 Light rain shower
Light rain shower
23° /16° 7.2 mm 5
Sept. 8 Sunny
Sunny
21° /13° 0 mm 6
Sept. 9 Sunny
Sunny
23° /14° 0 mm 6
Sept. 10 Sunny
Sunny
25° /17° 0 mm 7
Sept. 11 Sunny
Sunny
22° /18° 0 mm 6
Sept. 12 Fog
Fog
24° /20° 0 mm 6
Sept. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /20° 5.3 mm 6
Sept. 14 Partly cloudy
Partly cloudy
24° /18° 0.5 mm 7
Sept. 15 Overcast
Overcast
22° /18° 0 mm 6
Sept. 16 Sunny
Sunny
25° /17° 0 mm 6
Sept. 17 Light rain shower
Light rain shower
23° /18° 3 mm 5
Sept. 18 Light rain shower
Light rain shower
21° /18° 11.9 mm 5
Sept. 19 Sunny
Sunny
23° /17° 9.8 mm 6
Sept. 20 Sunny
Sunny
22° /17° 1.6 mm 6
Sept. 21 Sunny
Sunny
23° /18° 0 mm 6
Sept. 22 Patchy rain possible
Patchy rain possible
20° /17° 0.1 mm 5
Sept. 23 Light rain shower
Light rain shower
21° /17° 41 mm 5
Sept. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
20° /18° 10.7 mm 5
Sept. 25 Light rain shower
Light rain shower
20° /18° 4.5 mm 5
Sept. 26 Light rain shower
Light rain shower
20° /18° 3 mm 5
Sept. 27 Patchy rain possible
Patchy rain possible
19° /18° 2.2 mm 5
Sept. 28 Patchy rain possible
Patchy rain possible
20° /17° 122.5 mm 5
Sept. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
20° /18° 53.7 mm 5
Sept. 30 Light rain shower
Light rain shower
19° /17° 6.4 mm 4
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Important Notice
Our weather forecast for Atlantic County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Atlantic County forecast closer to your planned date for the most up-to-date weather information.

Atlantic County in September - FAQ

What are the expected maximum and minimum temperatures in Atlantic County during September?
During September, expect a variety of temperatures with highs around 22° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Atlantic County during September?
Significant rainfall exceeding 290.9 mm is expected in Atlantic County during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Atlantic County during September?
The average wind speed in Atlantic County during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Atlantic County

Explore the daily rainfall trends and prepare for Atlantic Countys September weather 💧

UV exposure in Atlantic County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Atlantic County?

Get accurate weather forecasts for Atlantic County, located at latitude 39.364 and longitude -74.423. Stay updated with localized weather information tailored for Atlantic County.

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