Jacksonville in September

8.1out of 10

Yes, a good time to go

Warm and comfortable: highs around 26°C. Some rain: about 7 rainy days.

26°CAvg high
15°CAvg low
7Rainy days (75 mm)
12:15 hDaylight
06:48Sunrise · 19:03 Sunset

Why this score

  • Warm and comfortable: highs around 26°C
  • Some rain: about 7 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.6 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

3° -6° J 5° -4° F 12° 2° M 19° 7° A 24° 13° M 29° 18° J 30° 20° J 29° 19° A 26° 15° S 19° 8° O 11° 2° N 5° -3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 3°C-6°C57 mm 8– – 4.4
February 5°C-4°C55 mm 7– – 5.1
March 12°C2°C81 mm 10– – 6.0
April 19°C7°C115 mm 11– – 6.9
May 24°C13°C114 mm 13– – 7.1
June 29°C18°C106 mm 11– – 7.5
July 30°C20°C85 mm 9– – 7.5
August 29°C19°C75 mm 9– – 7.8
September 26°C15°C75 mm 7– – 8.1
October 19°C8°C75 mm 8– – 7.5
November 11°C2°C81 mm 8– – 6.3
December 5°C-3°C58 mm 8– – 5.0

Frequently asked questions

How hot is Jacksonville in September?

Daytime highs average 26°C and nights about 15°C.

When is the best time to visit Jacksonville?

The best months are September, August, June, July.