Long Beach in September

7.8out of 10

Yes, a good time to go

Warm and comfortable: highs around 23°C. Frequent rain: about 9 rainy days.

23°CAvg high
18°CAvg low
9Rainy days (97 mm)
12:15 hDaylight
06:41Sunrise · 18:57 Sunset

Why this score

  • Warm and comfortable: highs around 23°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • T-shirts and light layers
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

5° -1° J 5° -1° F 8° 2° M 13° 7° A 18° 12° M 23° 18° J 27° 22° J 26° 21° A 23° 18° S 18° 12° O 12° 7° N 7° 2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 5°C-1°C96 mm 10– – 4.6
February 5°C-1°C90 mm 9– – 4.9
March 8°C2°C117 mm 11– – 5.3
April 13°C7°C97 mm 11– – 6.1
May 18°C12°C90 mm 11– – 7.0
June 23°C18°C93 mm 10– – 7.6
July 27°C22°C87 mm 10– – 7.8
August 26°C21°C96 mm 10– – 7.7
September 23°C18°C97 mm 9– – 7.8
October 18°C12°C110 mm 9– – 7.0
November 12°C7°C89 mm 9– – 6.3
December 7°C2°C118 mm 11– – 5.1

Frequently asked questions

How hot is Long Beach in September?

Daytime highs average 23°C and nights about 18°C.

When is the best time to visit Long Beach?

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