Casselberry in September
5.9out of 10
Possible, with caveats
Hot: daytime highs around 31°C. Very wet: about 19 rainy days.
31°CAvg high
23°CAvg low
19Rainy days (133 mm)
12:10 hDaylight
07:15Sunrise · 19:24 Sunset
Why this score
- Hot: daytime highs around 31°C
- Very wet: about 19 rainy days
- Rain varies a lot between years (±4.2 days)
What to wear and pack
- Light, breathable clothing
- 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 (±4.2 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 | 21°C | 10°C | 54 mm | 7 | – | – | 8.1 |
| February | 23°C | 12°C | 51 mm | 7 | – | – | 8.2 |
| March | 25°C | 14°C | 58 mm | 7 | – | – | 8.2 |
| April | 27°C | 17°C | 54 mm | 7 | – | – | 8.1 |
| May | 30°C | 20°C | 71 mm | 9 | – | – | 7.5 |
| June | 31°C | 23°C | 148 mm | 20 | – | – | 5.4 |
| July | 32°C | 24°C | 149 mm | 22 | – | – | 5.2 |
| August | 32°C | 24°C | 165 mm | 23 | – | – | 5.3 |
| September | 31°C | 23°C | 133 mm | 19 | – | – | 5.9 |
| October | 28°C | 20°C | 68 mm | 10 | – | – | 7.7 |
| November | 25°C | 15°C | 34 mm | 6 | – | – | 8.4 |
| December | 22°C | 12°C | 50 mm | 5 | – | – | 8.4 |
Frequently asked questions
How hot is Casselberry in September?
Daytime highs average 31°C and nights about 23°C.
When is the best time to visit Casselberry?
The best months are November, December, February, March.