Tyler, TX weather in September
September in Tyler: hot and often humid, with some rain. Highs 88°F, lows 67°F, about 7 days with rain.
- Normal high
- 88°F
- Normal low
- 67°F
- Wet days
- 7
- 3.2 in total
- Muggy days
- 16
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 91°F | 84°F |
| Normal low | 71°F | 63°F |
| Chance of a wet day | 23% | 20% |
| Sunrise / sunset | 6:56 am / 7:46 pm | 7:14 am / 7:07 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).
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 30
- Hot dayshigh 90°F or more15 of 30
- Muggy daysdaily mean dew point 65°F or more16 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in4 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.2 in; a dry September brings about 1.0 in and a wet one about 4.5 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, 1991-20202005: average high 95°F
- Coolest September2020: average high 83°F
- Wettest September2020: 11.5 in
- Driest September2017: 0.01 in
- Highest reading107°F (September 1, 2000)
- Lowest reading45°F (September 23, 1994)
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 | 94°F | 88°F | 78°F |
| Normal low | 73°F | 67°F | 57°F |
| Wet days | 7 | 7 | 7 |
| Comfortable days | 0 | 1 | 11 |
| Daylight | 13.3 h | 12.4 h | 11.4 h |
Highs change by -6°F from August and -10°F into October.
How Tyler ranks in September
- Normal high108th warmest of 378 cities; 36th of 38 in Texas
- Wet days128th driest of 378
- Comfortable days280th most of 342
What to pack for Tyler in September
- Light, breathable clothing – highs near 88°F and about 16 muggy days
Heating and cooling
September has 3 heating degree days and 375 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How hot is Tyler in September?
The normal high is 88°F and the normal low is 67°F. From 1991 to 2020 the hottest September reading was 107°F (September 1, 2000).
Does it rain a lot in Tyler in September?
About 7 days in September have at least 0.01 in of precipitation, and the normal total is 3.2 in. The wettest September in 1991-2020 was in 2020 (11.5 in); the driest was in 2017 (0.01 in).
Is September a good time to visit Tyler?
September ranks 9th of 12 months on our comfort score for Tyler (42 out of 100). It has about 1 comfortable day and about 15 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain and frost dates: Tyler (USC00419207), 3.1 mi S of the city center, 550 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Hawkins (USC00414020), 17 mi NNE of the city center, 335 ft (205 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Tyler Pounds Regional Arpt (722448-13972), 6.0 mi W of the city center, 523 ft . Hourly observations, 1991-2020.
- Not available for this location: humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).