Click on a day for an hourly weather forecast
The temperatures in Shillong in September are comfortable with low of 19°C and and high up to 24°C.
With more than 22 rainy days, Shillong is an incredibly wet during September. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!
Our weather forecast can give you a great sense of what weather to expect in Shillong in September 2025.
If you’re planning to visit Shillong in the near future, we highly recommend that you review the 14 day weather forecast for Shillong before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 8° | 2 | 29 | 0 | 35 mm | Good | Shillong in January |
| February | 21° / 10° | 3 | 25 | 0 | 48 mm | Good | Shillong in February |
| March | 24° / 13° | 9 | 22 | 0 | 154 mm | Good | Shillong in March |
| April | 24° / 16° | 20 | 10 | 0 | 447 mm | Good | Shillong in April |
| May | 23° / 18° | 26 | 5 | 0 | 734 mm | Good | Shillong in May |
| June | 24° / 19° | 28 | 2 | 0 | 1058 mm | Awful | Shillong in June |
| July | 23° / 19° | 29 | 2 | 0 | 1113 mm | Awful | Shillong in July |
| August | 24° / 19° | 29 | 2 | 0 | 1073 mm | Awful | Shillong in August |
| September | 24° / 19° | 25 | 5 | 0 | 817 mm | Good | Shillong in September |
| October | 24° / 15° | 16 | 15 | 0 | 560 mm | Good | Shillong in October |
| November | 22° / 11° | 3 | 27 | 0 | 80 mm | Good | Shillong in November |
| December | 19° / 9° | 2 | 29 | 0 | 44 mm | Good | Shillong in December |