worldweatherCayman Islands weather in September - temperature, rain and is it a good time to visit?
Daytime
32°
Night
26°
🌊 Sea
31°
☀️ Day length
12 h 15 min
Chance of rain
42%
Thunder days
46%
Humid days
100%
In September, Cayman Islands averages about 32° during the day and 26° at night. There's a moderate chance of rain (about 42%). The sea is around 31°C - very warm for swimming.
Cayman Islands weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January ★ | 28℃ | 23℃ | 33% |
| February ★ | 29℃ | 23℃ | 23% |
| March ★ | 29℃ | 23℃ | 20% |
| April | 30℃ | 25℃ | 20% |
| May | 31℃ | 25℃ | 39% |
| June | 31℃ | 26℃ | 37% |
| July | 32℃ | 26℃ | 35% |
| August | 32℃ | 26℃ | 39% |
| September | 32℃ | 26℃ | 42% |
| October | 31℃ | 26℃ | 41% |
| November | 30℃ | 25℃ | 42% |
| December ★ | 29℃ | 24℃ | 25% |
★ - months most often recommended for travel
Travelling soon? Check the live 14-day weather forecast for Cayman Islands.