Click on a day for an hourly weather forecast
The temperatures in Amarillo in September are comfortable with low of 17°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Amarillo during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Amarillo in September 2025.
If you’re planning to visit Amarillo in the near future, we highly recommend that you review the 14 day weather forecast for Amarillo before you arrive.
Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
---|---|---|---|---|---|---|---|
January | 10° / 0° | 2 | 27 | 3 | 23 mm | Bad | Amarillo in January |
February | 12° / 1° | 1 | 23 | 4 | 21 mm | Bad | Amarillo in February |
March | 18° / 6° | 2 | 28 | 2 | 35 mm | Ok | Amarillo in March |
April | 22° / 9° | 3 | 27 | 1 | 41 mm | Good | Amarillo in April |
May | 27° / 14° | 4 | 27 | 0 | 68 mm | Perfect | Amarillo in May |
June | 33° / 20° | 4 | 26 | 0 | 88 mm | Good | Amarillo in June |
July | 33° / 22° | 4 | 27 | 0 | 101 mm | Good | Amarillo in July |
August | 33° / 21° | 4 | 27 | 0 | 97 mm | Good | Amarillo in August |
September | 29° / 17° | 5 | 25 | 0 | 87 mm | Good | Amarillo in September |
October | 22° / 10° | 3 | 27 | 0 | 73 mm | Good | Amarillo in October |
November | 16° / 5° | 1 | 27 | 1 | 15 mm | Good | Amarillo in November |
December | 11° / 0° | 1 | 26 | 4 | 22 mm | Bad | Amarillo in December |