Irondequoit in September
7.6out of 10
Yes, a good time to go
Mild: highs around 22°C. Frequent rain: about 11 rainy days.
22°CAvg high
15°CAvg low
11Rainy days (87 mm)
12:17 hDaylight
06:56Sunrise · 19:13 Sunset
Why this score
- Mild: highs around 22°C
- Frequent rain: about 11 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.0 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 | 1°C | -5°C | 86 mm | 15 | – | – | 3.1 |
| February | 1°C | -6°C | 67 mm | 12 | – | – | 3.7 |
| March | 4°C | -2°C | 80 mm | 11 | – | – | 4.4 |
| April | 10°C | 3°C | 99 mm | 11 | – | – | 5.6 |
| May | 16°C | 9°C | 81 mm | 11 | – | – | 6.6 |
| June | 21°C | 15°C | 90 mm | 12 | – | – | 7.4 |
| July | 25°C | 19°C | 89 mm | 11 | – | – | 7.5 |
| August | 25°C | 19°C | 81 mm | 12 | – | – | 7.5 |
| September | 22°C | 15°C | 87 mm | 11 | – | – | 7.6 |
| October | 15°C | 9°C | 108 mm | 13 | – | – | 6.1 |
| November | 9°C | 3°C | 95 mm | 14 | – | – | 5.0 |
| December | 3°C | -2°C | 95 mm | 16 | – | – | 3.7 |
Frequently asked questions
How hot is Irondequoit in September?
Daytime highs average 22°C and nights about 15°C.
When is the best time to visit Irondequoit?
The best months are September, July, August, June.