Last updated: March 2, 2024
The weather in Galliano, United States, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 33°C (91°F), while lows may dip to 20°C (68°F). Typically, the humidity level in Galliano throughout September hovers around 79%.
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Average temperature
Maximum temperature
Humidity
In September, Galliano averages 174 mm (6.8 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 17 minutes of daylight, with the sun shining for approximately 9 hours 24 minutes each day. Additionally, there is a 44% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Galliano reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 5 | 8 | 10 | 10 | 10 | 7 | 5 | 2 | 1 | 1 |
| Exposure | Low | Moderate | VeryHigh | High | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 15 min | 25 min | 30 min | 45 min | |||||||