Nilópolis in September
7.8out of 10
Yes, a good time to go
Warm and comfortable: highs around 27°C. Frequent rain: about 10 rainy days.
27°CAvg high
18°CAvg low
10Rainy days (66 mm)
11:53 hDaylight
05:52Sunrise · 17:44 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Frequent rain: about 10 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.2 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 | 31°C | 23°C | 235 mm | 20 | – | – | 5.5 |
| February | 32°C | 23°C | 170 mm | 16 | – | – | 5.7 |
| March | 30°C | 22°C | 171 mm | 20 | – | – | 5.7 |
| April | 29°C | 20°C | 85 mm | 12 | – | – | 7.4 |
| May | 26°C | 18°C | 58 mm | 10 | – | – | 7.8 |
| June | 26°C | 16°C | 34 mm | 6 | – | – | 8.3 |
| July | 26°C | 16°C | 34 mm | 6 | – | – | 8.3 |
| August | 27°C | 16°C | 31 mm | 7 | – | – | 8.2 |
| September | 27°C | 18°C | 66 mm | 10 | – | – | 7.8 |
| October | 28°C | 20°C | 96 mm | 13 | – | – | 7.3 |
| November | 28°C | 21°C | 164 mm | 18 | – | – | 6.3 |
| December | 30°C | 22°C | 192 mm | 20 | – | – | 5.8 |
Frequently asked questions
How hot is Nilópolis in September?
Daytime highs average 27°C and nights about 18°C.
When is the best time to visit Nilópolis?
The best months are June, July, August, May.