Fallbrook in September

8.9out of 10

Yes, a good time to go

Warm and comfortable: highs around 29°C. Very dry: about 1 rainy days.

29°CAvg high
18°CAvg low
1Rainy days (5 mm)
12:12 hDaylight
06:37Sunrise · 18:49 Sunset

Why this score

  • Warm and comfortable: highs around 29°C
  • Very dry: about 1 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Sunscreen, sunglasses and a hat

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (1.3 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

18° 7° J 18° 8° F 19° 9° M 21° 11° A 23° 13° M 26° 16° J 29° 19° J 30° 20° A 29° 18° S 26° 14° O 22° 10° N 18° 7° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 18°C7°C70 mm 6– – 7.7
February 18°C8°C87 mm 7– – 7.5
March 19°C9°C52 mm 6– – 7.9
April 21°C11°C25 mm 4– – 8.4
May 23°C13°C11 mm 2– – 8.8
June 26°C16°C2 mm 1– – 9.0
July 29°C19°C4 mm 1– – 8.9
August 30°C20°C2 mm 1– – 8.6
September 29°C18°C5 mm 1– – 8.9
October 26°C14°C16 mm 3– – 8.7
November 22°C10°C24 mm 3– – 8.6
December 18°C7°C52 mm 5– – 7.7

Frequently asked questions

How hot is Fallbrook in September?

Daytime highs average 29°C and nights about 18°C.

When is the best time to visit Fallbrook?

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