Sondrio in September
5.9out of 10
Possible, with caveats
Cool: highs only around 14°C. Frequent rain: about 13 rainy days.
14°CAvg high
5°CAvg low
13Rainy days (124 mm)
12:18 hDaylight
07:06Sunrise · 19:24 Sunset
Why this score
- Cool: highs only around 14°C
- Frequent rain: about 13 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -3°C | -12°C | 61 mm | 8 | – | – | 4.0 |
| February | -1°C | -10°C | 52 mm | 8 | – | – | 4.0 |
| March | 4°C | -5°C | 72 mm | 9 | – | – | 4.4 |
| April | 7°C | -1°C | 113 mm | 14 | – | – | 4.4 |
| May | 12°C | 3°C | 141 mm | 18 | – | – | 4.8 |
| June | 16°C | 7°C | 149 mm | 19 | – | – | 5.3 |
| July | 18°C | 9°C | 142 mm | 18 | – | – | 5.7 |
| August | 18°C | 8°C | 144 mm | 18 | – | – | 5.7 |
| September | 14°C | 5°C | 124 mm | 13 | – | – | 5.9 |
| October | 9°C | 1°C | 140 mm | 12 | – | – | 5.0 |
| November | 3°C | -4°C | 141 mm | 12 | – | – | 3.9 |
| December | -1°C | -10°C | 78 mm | 10 | – | – | 3.8 |
Frequently asked questions
How hot is Sondrio in September?
Daytime highs average 14°C and nights about 5°C.
When is the best time to visit Sondrio?
The best months are September, July, August.