San Angelo, TX weather in September
In September, San Angelo sees highs around 89°F and lows around 65°F: hot and mostly dry. There are about 5 days with rain.
- Normal high
- 89°F
- Normal low
- 65°F
- Wet days
- 5
- 2.5 in total
- Muggy days
- 7
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 93°F | 86°F |
| Normal low | 69°F | 60°F |
| Chance of a wet day | 19% | 17% |
| Sunrise / sunset | 7:17 am / 8:05 pm | 7:34 am / 7:28 pm |
| Daylight | 12.8 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical September day
- 6 am66°Fdew point 60°F
- 9 am74°Fdew point 62°F
- Noon83°Fdew point 60°F
- 3 pm87°Fdew point 58°F
- 6 pm84°Fdew point 58°F
- 9 pm75°Fdew point 59°F
NOAA hourly normals (local standard time) from San Angelo (7 mi away); average wind 8 mph; clear or few clouds in 70% of daytime hours, mostly cloudy or overcast in 21%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F2 of 30
- Hot dayshigh 90°F or more15 of 30
- Muggy daysdaily mean dew point 65°F or more7 of 30
- Wet daysat least 0.01 in of rain or melted snow5 of 30
- Notable rainat least 0.10 in3 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 2.5 in; a dry September brings about 0.8 in and a wet one about 3.9 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 97°F
- Coolest September1991: average high 83°F
- Wettest September2012: 6.9 in
- Driest September2005: 0.02 in
- Highest reading107°F (September 25, 2005)
- Lowest reading38°F (September 26, 2000)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 97°F | 89°F | 81°F |
| Normal low | 72°F | 65°F | 54°F |
| Wet days | 6 | 5 | 6 |
| Comfortable days | 0 | 2 | 9 |
| Daylight | 13.3 h | 12.3 h | 11.4 h |
Highs change by -8°F from August and -8°F into October.
Nearby alternatives in September
- Warmer: Terlingua, TX240 mi · high 95°F · 5 wet days
How San Angelo ranks in September
- Normal high63rd warmest of 378 cities; 20th of 38 in Texas
- Wet days87th driest of 378
- Comfortable days265th most of 342
What to pack for San Angelo in September
- Light, breathable clothing – highs near 89°F and about 7 muggy days
Heating and cooling
September has 6 heating degree days and 366 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How hot is San Angelo in September?
The normal high is 89°F and the normal low is 65°F. From 1991 to 2020 the hottest September reading was 107°F (September 25, 2005).
Does it rain a lot in San Angelo in September?
About 5 days in September have at least 0.01 in of precipitation, and the normal total is 2.5 in. The wettest September in 1991-2020 was in 2012 (6.9 in); the driest was in 2005 (0.02 in).
Is September a good time to visit San Angelo?
September ranks 9th of 12 months on our comfort score for San Angelo (43 out of 100). It has about 2 comfortable days and about 15 days at 90°F or hotter. The best months are March and November.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: San Angelo (USW00023034), 7.2 mi SSW of the city center, 1,890 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Water Valley (USC00419499), 22 mi NW of the city center, 2,115 ft (272 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: San Angelo Regional/Maths Field Airport (722630-23034), 8.4 mi SSW of the city center, 1,911 ft (68 ft higher than the city). Hourly observations, 1991-2020.