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Wilmington, NC Weather on September 4

September 4th in Wilmington, NC typically brings warm fall weather, with average highs around 86°F and lows near 68°F. Over 55 years of records, the warmest September 4th was in 2020 (88°F average), while the coldest was 1997 (64°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 4th dates historically, with the wettest September 4th recording 3.44" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
86°F
Avg Low
68°F
Record High
98°F
1975
Record Low
53°F
1997
Wilmington, NC on September 4 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on September 4

Planning for September 4th in Wilmington, NC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

September 4 Weather Records for Wilmington

  • The all-time record high for September 4th in Wilmington, NC is 98°F, set in 1975.
  • The coldest September 4th on record dropped to 53°F in 1997.
  • Temperatures have reached 90°F or higher on September 4th in 13 of the last 55 years.

Frequently Asked Questions

What was the warmest September 4 ever in Wilmington?

The warmest September 4 in Wilmington, NC reached 98°F in 1975. That is 12°F above the long-term average high of 86°F.

What was the coldest September 4 ever in Wilmington?

The coldest September 4 in Wilmington, NC dropped to 53°F in 1997. That is 15°F below the long-term average low of 68°F.

What is the average temperature on September 4 in Wilmington?

On September 4, Wilmington averages a high of 86°F and a low of 68°F based on 55 years of NOAA weather observations from WILMINGTON INTL AP.

How many years of weather data are available for September 4 in Wilmington?

We have 55 years of weather records for September 4 in Wilmington, NC, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

September 4 Weather History in Wilmington

YearHighLowPrecipSnow
202585°F61°F0"--
202486°F65°F0"--
202394°F68°F0"--
202287°F72°F0.04"--
202183°F62°F0"--
202097°F79°F0"--
201981°F73°F0.57"--
201889°F73°F0"--
201787°F65°F0"--
201683°F65°F0"--
201590°F70°F0.08"--
201489°F73°F0"--
201387°F69°F0"--
201288°F71°F0"--
201185°F64°F0"--
201090°F68°F0"--
200981°F66°F0"--
200886°F64°F0"--
200787°F64°F0"--
200686°F71°F0"--
200586°F66°F0"--
200486°F71°F0.08"--
200388°F71°F0.59"--
200288°F68°F0"--
200180°F70°F1.43"--
200081°F73°F0.38"--
199982°F73°F0.05"--
199885°F70°F0.06"--
199775°F53°F0"--
199678°F71°F0.75"--
199582°F62°F0"--
199479°F60°F0.01"--
199394°F72°F0"--
199289°F71°F0"--
199186°F65°F0"--
199085°F66°F0"--
198980°F68°F0.16"--
198888°F72°F0.66"--
198775°F68°F2.82"--
198684°F65°F0"--
198593°F74°F0"--
198490°F67°F1.56"--
198392°F73°F0"--
198278°F66°F2.27"--
198183°F65°F0"--
198090°F71°F0"--
197981°F73°F3.44"--
197891°F69°F0"--
197790°F69°F0"--
197685°F67°F0"--
197598°F73°F0"--
197487°F66°F0.76"--
197389°F70°F0"--
197290°F70°F0.2"--
197186°F69°F0"--

Based on 55 years of data from NOAA station: WILMINGTON INTL AP

Monthly Climate Averages

Historical temperature and precipitation averages for Wilmington, NC, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 90°F / Low: 72°F
Coldest MonthJanuaryAvg High: 56°F / Low: 34°F
Jan
56°/ 34°
💧 0.4"
❄️ 1.5"
Feb
60°/ 37°
💧 0.4"
❄️ 2.2"
Mar
67°/ 43°
💧 0.4"
❄️ 3.0"
Apr
75°/ 51°
💧 0.4"
May
81°/ 60°
💧 0.5"
Jun
87°/ 68°
💧 0.5"
Jul
90°/ 72°
💧 0.6"
Aug
88°/ 71°
💧 0.6"
Sep
84°/ 65°
💧 0.8"
Oct
76°/ 54°
💧 0.5"
Nov
68°/ 44°
💧 0.4"
Dec
60°/ 38°
💧 0.4"
❄️ 1.8"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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