KSL Outdoor Weather Planner

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Historical Weather Data for September 20
Average high temperature during the last 30 years
76° F
Average low temperature during the last 30 years
51° F
Chance measureable precipitation will occur (for the
24 hour period. For any 6 hr. period, chances are about 1/2 that shown)
27%
Time sun is first seen in east if there were no mountains.
(the sky gets light about 25 minutes before this.)
7:13 AM
Time sun is last seen in west if there were no mountains.
(the sky stays light about 25 minutes after this.)
7:28 PM
Average Temperatures
1:00 am
59° F
2:00 am
58° F
3:00 am
58° F
4:00 am
57° F
5:00 am
56° F
6:00 am
55° F
7:00 am
55° F
8:00 am
51° F
9:00 am
56° F
10:00 am
61° F
11:00 am
64° F
12:00 pm
68° F
1:00 pm
71° F
2:00 pm
73° F
3:00 pm
74° F
4:00 pm
75° F
5:00 pm
76° F
6:00 pm
75° F
7:00 pm
74° F
8:00 pm
71° F
9:00 pm
65° F
10:00 pm
64° F
11:00 pm
62° F
12:00 pm
60° F
This Day in Weather History: September 20
In 1962, flash floods marooned a school bus between Bluff and Mexican Hat on Utah Highway 47. Flash floods on Salt Lake City's east bench flooded basements. Two feet of water accumulated in some intersections. More than 1 inch of rain was reported in 15 minutes.