Long Beach in September
7.1out of 10
Possible, with caveats
Warm and comfortable: highs around 28°C. Frequent rain: about 12 rainy days.
28°CAvg high
25°CAvg low
12Rainy days (143 mm)
12:10 hDaylight
06:46Sunrise · 18:56 Sunset
Why this score
- Warm and comfortable: highs around 28°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±4.4 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±4.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 14°C | 10°C | 133 mm | 10 | – | – | 6.3 |
| February | 16°C | 11°C | 125 mm | 9 | – | – | 6.7 |
| March | 18°C | 15°C | 135 mm | 9 | – | – | 7.0 |
| April | 22°C | 18°C | 106 mm | 8 | – | – | 7.9 |
| May | 26°C | 23°C | 97 mm | 9 | – | – | 7.8 |
| June | 28°C | 26°C | 137 mm | 14 | – | – | 7.0 |
| July | 29°C | 27°C | 142 mm | 17 | – | – | 6.5 |
| August | 29°C | 26°C | 160 mm | 17 | – | – | 6.4 |
| September | 28°C | 25°C | 143 mm | 12 | – | – | 7.1 |
| October | 24°C | 20°C | 95 mm | 7 | – | – | 8.0 |
| November | 19°C | 15°C | 101 mm | 7 | – | – | 7.6 |
| December | 16°C | 11°C | 120 mm | 10 | – | – | 6.6 |
Frequently asked questions
How hot is Long Beach in September?
Daytime highs average 28°C and nights about 25°C.
When is the best time to visit Long Beach?
The best months are October, April, May, November.