Click on a day for an hourly weather forecast
The weather in Antioch in September is hot. The average temperatures are between 15°C and 31°C. Usually the days in September are hot while the nights are a bit cooler.
You can expect up to 3 rainy days in Antioch during the month of September.
Our weather forecast can give you a great sense of what weather to expect in Antioch in September 2025.
If you’re planning to visit Antioch in the near future, we highly recommend that you review the 14 day weather forecast for Antioch before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 6° | 5 | 26 | 0 | 100 mm | Good | Antioch in January |
| February | 16° / 6° | 4 | 24 | 0 | 91 mm | Good | Antioch in February |
| March | 18° / 7° | 5 | 26 | 0 | 88 mm | Good | Antioch in March |
| April | 22° / 8° | 2 | 28 | 0 | 32 mm | Good | Antioch in April |
| May | 25° / 11° | 1 | 30 | 0 | 17 mm | Perfect | Antioch in May |
| June | 30° / 13° | 1 | 29 | 0 | 6 mm | Good | Antioch in June |
| July | 32° / 14° | 0 | 31 | 0 | 2 mm | Good | Antioch in July |
| August | 32° / 15° | 0 | 31 | 0 | 1 mm | Good | Antioch in August |
| September | 31° / 15° | 0 | 30 | 0 | 3 mm | Good | Antioch in September |
| October | 25° / 13° | 2 | 29 | 0 | 33 mm | Perfect | Antioch in October |
| November | 18° / 9° | 3 | 27 | 0 | 51 mm | Good | Antioch in November |
| December | 13° / 6° | 5 | 26 | 0 | 76 mm | Ok | Antioch in December |