0.4 (Low)
Last Updated 57 minutes ago
The hourly Swarthmore, PA UV Index forecast for Tuesday, September 9th, 2025.
Last Updated 18 hours ago
The UV index forecast for the next five days in Swarthmore, PA has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Swarthmore over the next five days will be 6.9 on Tuesday, September 9th at 1:00 pm.
The UV index forecast for Tuesday, September 9th in Swarthmore, PA is below.
Time | UV Index | Risk |
---|---|---|
9am | 1.4 |
Low |
10am | 3 |
Moderate |
11am | 4.8 |
Moderate |
12pm | 6.3 |
High |
1pm | 6.9 |
High |
2pm | 6.4 |
High |
3pm | 4.6 |
Moderate |
4pm | 3 |
Moderate |
5pm | 1.4 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Wednesday, September 10th in Swarthmore, PA 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 | 0.4 |
Low |
9am | 1 |
Low |
10am | 2.2 |
Low |
11am | 4 |
Moderate |
12pm | 5 |
Moderate |
1pm | 3.8 |
Moderate |
2pm | 5 |
Moderate |
3pm | 3.3 |
Moderate |
4pm | 1.6 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Thursday, September 11th in Swarthmore, PA 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 | 0.4 |
Low |
9am | 1.3 |
Low |
10am | 2.8 |
Low |
11am | 4.5 |
Moderate |
12pm | 6.1 |
High |
1pm | 6.6 |
High |
2pm | 6.1 |
High |
3pm | 4.8 |
Moderate |
4pm | 3 |
Moderate |
5pm | 1.4 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 12th in Swarthmore, PA 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 | 0.4 |
Low |