Weather Comparison
Side-by-side weather comparison for September
| Metric | Los Angeles | Miami | Better |
|---|---|---|---|
| Average HighHigher is warmer | 31°C (88°F)▲ | 29°C (84°F) | Los Angeles |
| Average LowHigher is milder | 17°C (63°F) | 25°C (77°F)▲ | Miami |
| Rain DaysFewer is drier | 1 days▲ | 22 days | Los Angeles |
| PrecipitationLess is drier | 3 mm▲ | 157 mm | Los Angeles |
| Sunshine HoursMore is sunnier | 12h/day▲ | 10h/day | Los Angeles |
| HumidityLower is more comfortable | 70% | 70% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 14 km/h▲ | 18 km/h | Los Angeles |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Los Angeles edges ahead as the better destination in September. Los Angeles offers 12 hours of daily sunshine with only 1 rain days, while Miami sees 10 sunshine hours and 22 rain days.
Los Angeles can feel quite hot at 31°C, so plan for heat. Miami runs hot at 29°C.
For travelers who prioritize dry weather, Los Angeles is the stronger choice in September. Los Angeles receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Los Angeles reaches an average high of 31°C (88°F) and drops to 17°C (63°F) at night during September. The daily temperature range is 14°C, meaning significant temperature swings between day and night.
Miami averages 29°C (84°F) for the high and 25°C (77°F) for the low, with a daily range of 4°C. The 2°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Los Angeles receives approximately 3 mm of rainfall across 1 rain days during September. Rain is rare this month, so dry conditions are likely.
Miami sees 157 mm over 22 rain days. That makes Los Angeles the drier option by 21 rain days and 154 mm of total precipitation.
Both cities share similar humidity levels at 70%.
Highs of 31°C, lows of 17°C, 1 rain days
Highs of 29°C, lows of 25°C, 22 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Los Angeles | Miami | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 19°C | 5d | 23°C | 8d |
| Feb | 20°C | 6d | 24°C | 7d |
| Mar | 21°C | 5d | 25°C | 7d |
| Apr | 24°C | 3d | 27°C | 8d |
| May | 25°C | 2d | 28°C | 12d |
| Jun | 28°C | 0d | 29°C | 20d |
| Jul | 31°C | 0d | 30°C | 21d |
| Aug | 32°C | 0d | 30°C | 22d |
| Sep | 31°C | 1d | 29°C | 22d |
| Oct | 28°C | 2d | 28°C | 15d |
| Nov | 23°C | 2d | 26°C | 9d |
| Dec | 19°C | 5d | 24°C | 8d |
Los Angeles Weather in September
Full forecast, packing tips, and activities
Miami Weather in September
Full forecast, packing tips, and activities