Parnaíba in September
7.5out of 10
Yes, a good time to go
Hot: daytime highs around 35°C. Very dry: about 0 rainy days.
35°CAvg high
25°CAvg low
0Rainy days (1 mm)
11:59 hDaylight
05:42Sunrise · 17:41 Sunset
Why this score
- Hot: daytime highs around 35°C
- Very dry: about 0 rainy days
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (0.4 days). 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 | 32°C | 25°C | 129 mm | 20 | – | – | 5.4 |
| February | 31°C | 24°C | 172 mm | 23 | – | – | 5.6 |
| March | 30°C | 24°C | 265 mm | 28 | – | – | 5.7 |
| April | 30°C | 24°C | 267 mm | 26 | – | – | 5.8 |
| May | 31°C | 25°C | 149 mm | 18 | – | – | 5.8 |
| June | 32°C | 24°C | 31 mm | 7 | – | – | 7.3 |
| July | 33°C | 24°C | 16 mm | 3 | – | – | 7.6 |
| August | 34°C | 24°C | 3 mm | 1 | – | – | 7.6 |
| September | 35°C | 25°C | 1 mm | 0 | – | – | 7.5 |
| October | 35°C | 25°C | 6 mm | 1 | – | – | 7.4 |
| November | 34°C | 25°C | 7 mm | 2 | – | – | 7.3 |
| December | 34°C | 25°C | 35 mm | 7 | – | – | 6.8 |
Frequently asked questions
How hot is Parnaíba in September?
Daytime highs average 35°C and nights about 25°C.
When is the best time to visit Parnaíba?
The best months are July, August, September, October.