As of 18:09 EDT

Jacksonville Beach, FL weather in September

84°

Jacksonville Beach, Sunday, 9 August, 18:09

Heavy rain. Feels like 95°. High 91°, low 76°.

Pressure30.06 inHg

Wind3 mph SE

Humidity87%

Visibility6.2 mi

Dew point78°

See detailed hourly forecast

In September, Jacksonville Beach, FL averages a high of 82.5° and a low of 74.8°. About 5.6 inches of precipitation fall over the month (17 wet days). The record high is 94.3° (2019) and the record low 59.4° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	84°	76.3°	77%	88.9° (1998)	73° (1972)
2	83.7°	76.1°	68%	90.5° (2020)	69.1° (1999)
3	83.7°	76.1°	62%	88.5° (2020)	71.2° (1972)
4	83.7°	75.7°	55%	90.7° (2020)	70.7° (2023)
5	83.8°	75.6°	65%	94.3° (2019)	66.2° (2023)
6	83.7°	75.7°	67%	92.1° (2019)	70.9° (2023)
7	83.1°	75.2°	67%	92.5° (2023)	72° (2017)
8	82.8°	75.2°	63%	92.5° (2019)	70.7° (2023)
9	83.1°	75.2°	62%	91.2° (2019)	68.2° (2023)
10	82.9°	75.2°	55%	90.9° (2023)	70.7° (2023)
11	82.9°	75.6°	58%	90.3° (2023)	69.4° (2025)
12	82.8°	75.4°	67%	90° (2010)	71.1° (2017)
13	82.8°	75°	55%	89.2° (2005)	65.8° (2017)
14	83.1°	75.2°	55%	92.3° (2018)	67.8° (1964)
15	82.9°	75.2°	53%	93.4° (2018)	65.8° (1976)
16	83.1°	75.4°	55%	92.1° (2018)	66.9° (2001)
17	82.8°	74.7°	58%	88.5° (2019)	66.2° (2024)
18	82.4°	74.5°	65%	89.4° (2018)	66.2° (2025)
19	81.9°	74.3°	60%	90.5° (2018)	62.2° (1981)
20	81.9°	74.5°	48%	86.2° (2017)	61.3° (1981)
21	82.2°	74.8°	57%	88° (1990)	70.5° (1981)
22	82°	74.5°	40%	90.7° (1990)	65.8° (1983)
23	81.5°	73.8°	47%	89.4° (2025)	64° (2023)
24	81.7°	73.8°	50%	90° (2019)	65.1° (2021)
25	81.7°	73.6°	52%	91.8° (2019)	64.8° (2008)
26	81.7°	73.8°	58%	91.6° (2019)	64.4° (2021)
27	81.5°	73.8°	53%	90.3° (2018)	61.3° (2021)
28	81.3°	73.6°	53%	89.2° (2018)	63.3° (2021)
29	80.4°	72.9°	58%	87.3° (2024)	60.8° (2022)
30	80.1°	72.5°	43%	87.8° (2024)	59.4° (2020)