New Amsterdam in September
6.7out of 10
Possible, with caveats
Warm and comfortable: highs around 29°C. Very wet: about 17 rainy days.
29°CAvg high
26°CAvg low
17Rainy days (89 mm)
12:02 hDaylight
05:43Sunrise · 17:45 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Very wet: about 17 rainy days
- Rain varies a lot between years (±4.6 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 (±4.6 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 | 24°C | 181 mm | 23 | – | – | 6.1 |
| February | 27°C | 24°C | 133 mm | 19 | – | – | 6.3 |
| March | 28°C | 25°C | 114 mm | 19 | – | – | 6.4 |
| April | 28°C | 25°C | 167 mm | 21 | – | – | 6.1 |
| May | 28°C | 25°C | 331 mm | 28 | – | – | 6.1 |
| June | 28°C | 24°C | 374 mm | 29 | – | – | 6.1 |
| July | 28°C | 24°C | 286 mm | 29 | – | – | 6.1 |
| August | 29°C | 25°C | 170 mm | 24 | – | – | 6.1 |
| September | 29°C | 26°C | 89 mm | 17 | – | – | 6.7 |
| October | 29°C | 26°C | 97 mm | 17 | – | – | 6.6 |
| November | 29°C | 25°C | 177 mm | 23 | – | – | 6.1 |
| December | 28°C | 25°C | 236 mm | 27 | – | – | 6.1 |
Frequently asked questions
How hot is New Amsterdam in September?
Daytime highs average 29°C and nights about 26°C.
When is the best time to visit New Amsterdam?
The best months are September, October, March, February.