João Pessoa weather in September
September in João Pessoa: warm, a little rain, with very humid — an excellent time to visit.
#6 of 12 months in João Pessoa · #248 of 897 destinations to visit in September · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on João Pessoa in September
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João Pessoa climate normals — September
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 39 mm / 1.5 in | 🌦 some rain |
| Rainy days | 15 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.1 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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João Pessoa in September — FAQ
- Is September a good time to visit João Pessoa?
- September in João Pessoa: warm, a little rain, with very humid — an excellent time to visit. It ranks #6 of 12 months for João Pessoa on SeasonMap's comfort score (88/100).
- What is the weather like in João Pessoa in September?
- In September, João Pessoa averages a daily high of 27.7°C and a low of 23°C, with about 38.5 mm of rain over roughly 15.4 rainy days.
- What is the air quality in João Pessoa in September?
- João Pessoa has a mean US Air Quality Index of about 52 in September.