Climate averages 1991–2020
Odessa weather
in September.
A hot, moderately wet month: the 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Odessa: daytime highs average 29.6°C and nights cool to about 18.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 45 mm of rain on roughly 7 days, which makes September a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 23 min on an average September day.
The nearest other city in this atlas is Midland (32 km away). In September its highs average 29.5°C, about as warm as Odessa, with 46 mm of rain.
Among the 498 cities listed in the United States, Odessa ranks joint 145th of 498 for the warmest September highs and 170th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Odessa is 2.7°C warmer than that mean.
From September to October, average highs fall by 4.3°C to 25.3°C, and monthly rainfall falls from 45 mm to 37 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Odessa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.5°C2.0°C | 2.0°C | 21 | 3.2 | 10.310 h |
| February | 17.4°C4.0°C | 4.0°C | 21 | 3.8 | 11.011 h |
| March | 21.7°C7.9°C | 7.9°C | 29 | 3.9 | 12.012 h |
| April | 26.3°C12.0°C | 12.0°C | 29 | 4.3 | 12.913 h |
| May | 30.4°C17.1°C | 17.1°C | 55 | 7.0 | 13.814 h |
| June | 33.7°C21.1°C | 21.1°C | 38 | 7.1 | 14.214 h |
| July | 34.0°C22.5°C | 22.5°C | 34 | 5.3 | 14.014 h |
| August | 33.4°C22.3°C | 22.3°C | 37 | 6.2 | 13.313 h |
| September, selected | 29.6°C18.5°C | 18.5°C | 45 | 6.6 | 12.412 h |
| October | 25.3°C13.1°C | 13.1°C | 37 | 5.0 | 11.411 h |
| November | 19.0°C6.8°C | 6.8°C | 24 | 3.4 | 10.611 h |
| December | 14.6°C2.4°C | 2.4°C | 24 | 3.5 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Midland in SeptemberUnited States · 32 kmHigh 29.5°C · Low 18.6°C · 46 mm rain
- San Angelo in SeptemberUnited States · 188 kmHigh 30.6°C · Low 20.0°C · 53 mm rain
- Lubbock in SeptemberUnited States · 198 kmHigh 28.2°C · Low 17.2°C · 52 mm rain
- Abilene in SeptemberUnited States · 257 kmHigh 30.2°C · Low 20.1°C · 58 mm rain
- Ciudad Acuña in SeptemberMexico · 311 kmHigh 32.3°C · Low 22.8°C · 65 mm rain
- Amarillo in SeptemberUnited States · 379 kmHigh 27.5°C · Low 16.2°C · 40 mm rain
- Ciudad Juárez in SeptemberMexico · 387 kmHigh 30.7°C · Low 18.4°C · 31 mm rain
- El Paso in SeptemberUnited States · 389 kmHigh 30.7°C · Low 18.3°C · 31 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Odessa) is explained once on the Odessa year overview and on the Sources, method and limits page.