Munnar weather in September
September in Munnar: nice, soaked, with clean air — fine if you can take 28 rainy days.
#10 of 12 months in Munnar · #744 of 897 destinations to visit in September · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Munnar in September
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Munnar climate normals — September
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Rainfall | 318 mm / 12.5 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 92% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 7.3 h/day | |
| Daylight | 12.2 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Munnar in September — FAQ
- Is September a good time to visit Munnar?
- September in Munnar: nice, soaked, with clean air — fine if you can take 28 rainy days. It ranks #10 of 12 months for Munnar on SeasonMap's comfort score (65/100).
- What is the weather like in Munnar in September?
- In September, Munnar averages a daily high of 22.6°C and a low of 17.3°C, with about 317.9 mm of rain over roughly 28.4 rainy days.
- What is the air quality in Munnar in September?
- Munnar has a mean US Air Quality Index of about 23 in September.