Oklahoma City in September
8.0out of 10
Yes, a good time to go
Warm and comfortable: highs around 29°C. Some rain: about 7 rainy days.
29°CAvg high
18°CAvg low
7Rainy days (73 mm)
12:13 hDaylight
07:18Sunrise · 19:31 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Some rain: about 7 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in September varies a lot between years (±3.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 10°C | -1°C | 37 mm | 5 | – | – | 6.3 |
| February | 13°C | 1°C | 45 mm | 5 | – | – | 6.8 |
| March | 18°C | 6°C | 72 mm | 7 | – | – | 7.5 |
| April | 23°C | 11°C | 96 mm | 8 | – | – | 7.9 |
| May | 27°C | 16°C | 116 mm | 11 | – | – | 7.5 |
| June | 32°C | 21°C | 96 mm | 9 | – | – | 7.1 |
| July | 34°C | 23°C | 61 mm | 7 | – | – | 6.7 |
| August | 34°C | 22°C | 64 mm | 7 | – | – | 6.9 |
| September | 29°C | 18°C | 73 mm | 7 | – | – | 8.0 |
| October | 23°C | 12°C | 74 mm | 7 | – | – | 8.2 |
| November | 16°C | 5°C | 49 mm | 6 | – | – | 7.4 |
| December | 11°C | 1°C | 46 mm | 5 | – | – | 6.4 |
Frequently asked questions
How hot is Oklahoma City in September?
Daytime highs average 29°C and nights about 18°C.
When is the best time to visit Oklahoma City?
The best months are October, September, April.