Sunday could bring storms across Oklahoma before a cold front brings cooler air.
September 20 Climate Benchmarks
The National Weather Service Norman climate report lists Oklahoma City’s normal high for September 20 as 82°F and the daily record as 100°F, set in 1954.
The National Centers for Environmental Information describes climate normals as a way to characterize typical current conditions. The September 20 normal and record provide historical context for the date.
Storm Chances Increase Before the Front Passes
Showers and thunderstorms are possible Sunday from morning into evening. South winds should be near 10 mph. Some storms could become strong, and isolated severe weather is possible as the front moves through.
Cooler Conditions Follow on Monday
Monday brings cooler conditions. Tuesday is expected to be mostly sunny with a high near 82 and a low near 61.
Wednesday and Thursday remain seasonable, with highs near 84 and 85 degrees.
