Last updated: March 2, 2024
The weather in Big Delta, United States, during September is characterized by an average temperature of 8°C (46°F). Highs can soar to 19°C (66°F), while lows may dip to -3°C (28°F). Typically, the humidity level in Big Delta throughout September hovers around 90%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Big Delta averages 48 mm (1.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 53 minutes of daylight, with the sun shining for approximately 6 hours 21 minutes each day. Additionally, there is a 32% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Big Delta reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||