Click on a day for an hourly weather forecast
The temperatures in Edison in September are comfortable with low of 17°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Edison during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Edison in September 2025.
If you’re planning to visit Edison in the near future, we highly recommend that you review the 14 day weather forecast for Edison before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -3° | 6 | 18 | 7 | 101 mm | Awful | Edison in January |
| February | 4° / -2° | 7 | 14 | 7 | 129 mm | Awful | Edison in February |
| March | 9° / 2° | 8 | 19 | 5 | 140 mm | Awful | Edison in March |
| April | 14° / 7° | 7 | 22 | 1 | 117 mm | Ok | Edison in April |
| May | 20° / 13° | 8 | 23 | 0 | 147 mm | Ok | Edison in May |
| June | 25° / 17° | 7 | 23 | 0 | 142 mm | Good | Edison in June |
| July | 29° / 21° | 8 | 23 | 0 | 182 mm | Ok | Edison in July |
| August | 28° / 21° | 6 | 25 | 0 | 169 mm | Perfect | Edison in August |
| September | 25° / 17° | 5 | 25 | 0 | 115 mm | Perfect | Edison in September |
| October | 18° / 12° | 7 | 24 | 0 | 145 mm | Ok | Edison in October |
| November | 11° / 5° | 5 | 24 | 1 | 96 mm | Ok | Edison in November |
| December | 6° / 1° | 7 | 19 | 5 | 155 mm | Awful | Edison in December |