8.2 (Very High)
Last Updated 23 minutes ago
The hourly Sundown, TX UV Index forecast for Wednesday, September 17th, 2025.
Last Updated 21 minutes ago
The UV index forecast for the next five days in Sundown, TX has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Sundown over the next five days will be 9.1 on Friday, September 19th at 2:00 pm.
The UV index forecast for Wednesday, September 17th in Sundown, TX is below.
| Time | UV Index | Risk |
|---|---|---|
| 2pm | 8.7 |
Very High |
| 3pm | 7.6 |
High |
| 4pm | 5.4 |
Moderate |
| 5pm | 3.1 |
Moderate |
| 6pm | 1.4 |
Low |
| 7pm | 0.3 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, September 18th in Sundown, TX is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |
| 8am | 0 |
Low |
| 9am | 0.5 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.6 |
Moderate |
| 12pm | 6.2 |
High |
| 1pm | 7.8 |
High |
| 2pm | 8.6 |
Very High |
| 3pm | 7.5 |
High |
| 4pm | 4.4 |
Moderate |
| 5pm | 1.1 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Sundown, TX is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |
| 8am | 0 |
Low |
| 9am | 0.6 |
Low |
| 10am | 2 |
Low |
| 11am | 4.1 |
Moderate |
| 12pm | 6.7 |
High |
| 1pm | 8.3 |
Very High |
| 2pm | 9.1 |
Very High |
| 3pm | 7.7 |
High |
| 4pm | 5.3 |
Moderate |
| 5pm | 2.2 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Sundown, TX is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |
| 8am | 0 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.9 |
Low |
| 11am | 4.2 |
Moderate |
| 12pm | 6.7 |
High |
| 1pm | 8.5 |
Very High |
| 2pm | 9.1 |
Very High |
| 3pm | 8.1 |
Very High |
| 4pm | 6 |
High |
| 5pm | 3.4 |
Moderate |
| 6pm | 1.4 |
Low |
| 7pm | 0.3 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Sundown, TX is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |