Marco Island in September
5.9out of 10
Possible, with caveats
Warm and comfortable: highs around 30°C. Very wet: about 20 rainy days.
30°CAvg high
25°CAvg low
20Rainy days (150 mm)
12:09 hDaylight
07:17Sunrise · 19:26 Sunset
Why this score
- Warm and comfortable: highs around 30°C
- Very wet: about 20 rainy days
- Rain varies a lot between years (±4.9 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in September varies a lot between years (±4.9 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 | 22°C | 16°C | 39 mm | 5 | – | – | 8.5 |
| February | 23°C | 17°C | 29 mm | 4 | – | – | 8.5 |
| March | 24°C | 18°C | 34 mm | 4 | – | – | 8.5 |
| April | 27°C | 21°C | 41 mm | 6 | – | – | 8.4 |
| May | 29°C | 23°C | 70 mm | 9 | – | – | 7.9 |
| June | 30°C | 25°C | 151 mm | 20 | – | – | 5.9 |
| July | 30°C | 26°C | 128 mm | 21 | – | – | 5.7 |
| August | 31°C | 26°C | 140 mm | 22 | – | – | 5.7 |
| September | 30°C | 25°C | 150 mm | 20 | – | – | 5.9 |
| October | 28°C | 23°C | 81 mm | 9 | – | – | 7.8 |
| November | 26°C | 20°C | 33 mm | 4 | – | – | 8.6 |
| December | 24°C | 18°C | 29 mm | 4 | – | – | 8.6 |
Frequently asked questions
How hot is Marco Island in September?
Daytime highs average 30°C and nights about 25°C.
When is the best time to visit Marco Island?
The best months are November, December, January, February.