Blantyre weather in September
September in Blantyre: warm, dry, with clean air — one of the best months to visit.
#2 of 12 months in Blantyre · #8 of 604 destinations to visit in September · comfort 94/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Blantyre climate normals — September
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 4 mm / 0.2 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 53% | 🍃 comfortable |
| Dew point | 10°C / 51°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Blantyre?
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Blantyre in September — FAQ
- Is September a good time to visit Blantyre?
- September in Blantyre: warm, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Blantyre on SeasonMap's comfort score (94/100).
- What is the weather like in Blantyre in September?
- In September, Blantyre averages a daily high of 26.5°C and a low of 14.9°C, with about 4.3 mm of rain over roughly 1.4 rainy days.
- What is the air quality in Blantyre in September?
- Blantyre has a mean US Air Quality Index of about 47 in September.