Greenock in September
5.7out of 10
Possible, with caveats
Mild: highs around 15°C. Very wet: about 16 rainy days.
15°CAvg high
9°CAvg low
16Rainy days (130 mm)
12:26 hDaylight
07:00Sunrise · 19:26 Sunset
Why this score
- Mild: highs around 15°C
- Very wet: about 16 rainy days
- Rain varies a lot between years (±5.2 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 (±5.2 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 | 6°C | 2°C | 177 mm | 19 | – | – | 3.5 |
| February | 7°C | 2°C | 147 mm | 17 | – | – | 4.0 |
| March | 8°C | 2°C | 130 mm | 16 | – | – | 4.4 |
| April | 11°C | 4°C | 104 mm | 16 | – | – | 5.1 |
| May | 14°C | 6°C | 109 mm | 16 | – | – | 5.5 |
| June | 16°C | 9°C | 112 mm | 16 | – | – | 5.8 |
| July | 17°C | 11°C | 125 mm | 17 | – | – | 5.8 |
| August | 17°C | 11°C | 143 mm | 18 | – | – | 5.6 |
| September | 15°C | 9°C | 130 mm | 16 | – | – | 5.7 |
| October | 12°C | 6°C | 174 mm | 17 | – | – | 4.7 |
| November | 9°C | 4°C | 160 mm | 18 | – | – | 4.2 |
| December | 6°C | 2°C | 170 mm | 17 | – | – | 3.8 |
Frequently asked questions
How hot is Greenock in September?
Daytime highs average 15°C and nights about 9°C.
When is the best time to visit Greenock?
The best months are June, July, September, August.