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United States weather

Weather in Jacksonville, North Carolina for September 2025

Your guide to Jacksonville weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Beach Hazards Statement - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Jacksonville has been nearly identical to the historical average, with a temperature of 26.7 °F (showing only a slight deviation of -0.3 °F).

  • The forecast for the next days in Jacksonville predicts temperatures to be around 28 °F, close to the historical average.

  • In general, the average temperature in Jacksonville at the beginning of September is 28.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.3 °F by the end of September.

    • Rain 🌧️

  • Jacksonville experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 290.6 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/20°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Jacksonville Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
29°
2
Moderate or heavy rain shower
27°
3
Sunny
29°
4
Patchy rain possible
29°
5
Overcast
30°
6
Overcast
29°
7
Moderate or heavy rain shower
27°
8
Patchy rain possible
23°
9
Partly cloudy
25°
10
Sunny
25°
11
Overcast
27°
12
Overcast
27°
13
Moderate or heavy rain shower
24°
14
Patchy rain possible
27°
15
Weather Alert Heavy rain
22°
16
Weather Alert Moderate rain
19°
17
Partly cloudy
29°
18
Sunny
32°
19
Partly cloudy
31°
20
Sunny
29°
21
Patchy rain possible
26°
22
Patchy rain possible
27°
23
Partly cloudy
29°
24
Fog
32°
25
Partly cloudy
31°
26
Partly cloudy
28°
27
Patchy rain possible
30°
28
Partly cloudy
25°
29
Moderate or heavy rain shower
28°
30
Fog
31°

Temperatures trend during September in Jacksonville

See the weather trend as well as the moving average line

September weather in Jacksonville day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Patchy rain possible
Patchy rain possible
 29° /20° 0.2 mm 7
Sept. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /19° 11.4 mm 7
Sept. 3 Sunny
Sunny
 29° /18° 0 mm 7
Sept. 4 Patchy rain possible
Patchy rain possible
 29° /20° 0.2 mm 7
Sept. 5 Overcast
Overcast
 30° /20° 0 mm 7
Sept. 6 Overcast
Overcast
 29° /21° 0 mm 6
Sept. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /21° 46.9 mm 6
Sept. 8 Patchy rain possible
Patchy rain possible
 23° /18° 0.1 mm 5
Sept. 9 Partly cloudy
Partly cloudy
 25° /17° 0 mm 6
Sept. 10 Sunny
Sunny
 25° /17° 0 mm 6
Sept. 11 Overcast
Overcast
 27° /17° 0 mm 6
Sept. 12 Overcast
Overcast
 27° /19° 0 mm 6
Sept. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /19° 30.4 mm 6
Sept. 14 Patchy rain possible
Patchy rain possible
 27° /18° 0.4 mm 6
Sept. 15 Heavy rain
Heavy rain
 22° /17° 40 mm 0.1
Sept. 16 Moderate rain
Moderate rain
 19° /17° 16.5 mm 0.3
Sept. 17 Partly cloudy
Partly cloudy
 29° /18° 0 mm 0.5
Sept. 18 Sunny
Sunny
 32° /18° 0 mm 1.1
Sept. 19 Partly cloudy
Partly cloudy
 31° /19° 0 mm 0
Sept. 20 Sunny
Sunny
 29° /20° 0 mm 6
Sept. 21 Patchy rain possible
Patchy rain possible
 26° /20° 1.6 mm 5
Sept. 22 Patchy rain possible
Patchy rain possible
 27° /22° 0.3 mm 5
Sept. 23 Partly cloudy
Partly cloudy
 29° /22° 0 mm 6
Sept. 24 Fog
Fog
 32° /20° 0 mm 5
Sept. 25 Partly cloudy
Partly cloudy
 31° /22° 0 mm 6
Sept. 26 Partly cloudy
Partly cloudy
 28° /21° 0 mm 6
Sept. 27 Patchy rain possible
Patchy rain possible
 30° /21° 2.5 mm 5
Sept. 28 Partly cloudy
Partly cloudy
 25° /17° 0 mm 6
Sept. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /20° 24.7 mm 6
Sept. 30 Fog
Fog
 31° /22° 0 mm 7
Next
Important Notice
Our weather forecast for Jacksonville 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 Jacksonville forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Jacksonville in September - FAQ

What are the expected maximum and minimum temperatures in Jacksonville during September?
During September, expect a variety of temperatures with highs around 27° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jacksonville during September?
Significant rainfall exceeding 290.6 mm is expected in Jacksonville during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jacksonville during September?
The average wind speed in Jacksonville during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Jacksonville

Explore the daily rainfall trends and prepare for Jacksonvilles September weather 💧

UV exposure in Jacksonville during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Jacksonville?

Get accurate weather forecasts for Jacksonville, located at latitude 34.754 and longitude -77.43. Stay updated with localized weather information tailored for Jacksonville.

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