Santa Juliana in September
8.2out of 10
Yes, a good time to go
Warm and comfortable: highs around 29°C. Some rain: about 7 rainy days.
29°CAvg high
17°CAvg low
7Rainy days (46 mm)
11:54 hDaylight
06:08Sunrise · 18:01 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Some rain: about 7 rainy days
- Rain varies a lot between years (±4.5 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in September varies a lot between years (±4.5 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 | 27°C | 19°C | 226 mm | 22 | – | – | 6.1 |
| February | 28°C | 19°C | 164 mm | 19 | – | – | 6.2 |
| March | 28°C | 19°C | 162 mm | 20 | – | – | 6.1 |
| April | 27°C | 18°C | 61 mm | 10 | – | – | 7.7 |
| May | 26°C | 15°C | 29 mm | 5 | – | – | 8.5 |
| June | 25°C | 14°C | 10 mm | 2 | – | – | 8.9 |
| July | 25°C | 13°C | 6 mm | 1 | – | – | 9.0 |
| August | 27°C | 14°C | 11 mm | 2 | – | – | 8.8 |
| September | 29°C | 17°C | 46 mm | 7 | – | – | 8.2 |
| October | 29°C | 18°C | 101 mm | 13 | – | – | 7.2 |
| November | 28°C | 19°C | 179 mm | 21 | – | – | 6.1 |
| December | 27°C | 19°C | 243 mm | 24 | – | – | 6.1 |
Frequently asked questions
How hot is Santa Juliana in September?
Daytime highs average 29°C and nights about 17°C.
When is the best time to visit Santa Juliana?
The best months are July, June, August, May.