Tulsa, OK weather in September
Tulsa is warm and often humid in September, with some rain: highs average 85°F and nights drop to about 63°F. Rain falls on about 8 days.
- Normal high
- 85°F
- Normal low
- 63°F
- Wet days
- 8
- 3.9 in total
- Muggy days
- 11
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 90°F | 80°F |
| Normal low | 68°F | 57°F |
| Chance of a wet day | 25% | 25% |
| Sunrise / sunset | 6:55 am / 7:52 pm | 7:18 am / 7:09 pm |
| Daylight | 12.9 h | 11.8 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 am65°Fdew point 61°F
- 9 am72°Fdew point 62°F
- Noon80°Fdew point 62°F
- 3 pm83°Fdew point 61°F
- 6 pm80°Fdew point 61°F
- 9 pm73°Fdew point 62°F
NOAA hourly normals (local standard time) from Tulsa Intl Airport (7 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 of 30
- Hot dayshigh 90°F or more9 of 30
- Muggy daysdaily mean dew point 65°F or more11 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in6 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 3.9 in; a dry September brings about 2.2 in and a wet one about 4.9 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20201998: average high 92°F
- Coolest September2003: average high 79°F
- Wettest September2007: 10.8 in
- Driest September2004: 0.8 in
- Highest reading108°F (September 1, 2000)
- Lowest reading37°F (September 23, 1995)
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 | 93°F | 85°F | 74°F |
| Normal low | 72°F | 63°F | 51°F |
| Wet days | 7 | 8 | 8 |
| Comfortable days | 0 | 5 | 15 |
| Daylight | 13.5 h | 12.4 h | 11.3 h |
Highs change by -8°F from August and -11°F into October.
Nearby alternatives in September
- Warmer: Plano, TX220 mi · high 90°F · 6 wet days
- Cooler: Olathe, KS199 mi · high 78°F · 8 wet days
How Tulsa ranks in September
- Normal high137th warmest of 378 cities; 1st of 2 in Oklahoma
- Wet days188th driest of 378
- Comfortable days207th most of 342
What to pack for Tulsa in September
- Light, breathable clothing – highs near 85°F and about 11 muggy days
Heating and cooling
September has 17 heating degree days and 281 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Tulsa in September?
The normal high is 85°F and the normal low is 63°F. From 1991 to 2020 the hottest September reading was 108°F (September 1, 2000).
Does it rain a lot in Tulsa in September?
About 8 days in September have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest September in 1991-2020 was in 2007 (10.8 in); the driest was in 2004 (0.8 in).
Is September a good time to visit Tulsa?
September ranks 7th of 12 months on our comfort score for Tulsa (50 out of 100). It has about 5 comfortable days and about 9 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Tulsa Intl Airport (USW00013968), 6.7 mi ENE of the city center, 650 ft (72 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Tulsa International Airport (723560-13968), 7.1 mi ENE of the city center, 639 ft (83 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).