Click on a day for an hourly weather forecast
The temperatures in Romo in September are usually low and can range between 14°C and 16°C.
You can expect rain for roughly half of the month of September in Romo. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Romo in September 2026.
If you’re planning to visit Romo in the near future, we highly recommend that you review the 14 day weather forecast for Romo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 2° | 11 | 13 | 7 | 125 mm | Awful | Romo in January |
| February | 4° / 1° | 9 | 12 | 7 | 94 mm | Awful | Romo in February |
| March | 5° / 3° | 7 | 21 | 3 | 76 mm | Awful | Romo in March |
| April | 9° / 6° | 6 | 23 | 1 | 58 mm | Ok | Romo in April |
| May | 12° / 9° | 7 | 24 | 0 | 94 mm | Bad | Romo in May |
| June | 15° / 13° | 6 | 24 | 0 | 113 mm | Good | Romo in June |
| July | 18° / 15° | 9 | 22 | 0 | 157 mm | Ok | Romo in July |
| August | 18° / 16° | 10 | 21 | 0 | 222 mm | Ok | Romo in August |
| September | 16° / 14° | 9 | 21 | 0 | 179 mm | Ok | Romo in September |
| October | 13° / 11° | 11 | 20 | 0 | 183 mm | Bad | Romo in October |
| November | 9° / 8° | 11 | 18 | 1 | 162 mm | Bad | Romo in November |
| December | 6° / 4° | 11 | 16 | 4 | 152 mm | Awful | Romo in December |