Nainital weather in September
September in Nainital: nice, soaked, with very humid — fine if you can take 26 rainy days.
#9 of 12 months in Nainital · #585 of 897 destinations to visit in September · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
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Nainital climate normals — September
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 60°F | |
| Rainfall | 239 mm / 9.4 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.3 h | |
| Wind | 6 km/h / 4 mph | |
| Air quality (US AQI) | 65 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Nainital in September — FAQ
- Is September a good time to visit Nainital?
- September in Nainital: nice, soaked, with very humid — fine if you can take 26 rainy days. It ranks #9 of 12 months for Nainital on SeasonMap's comfort score (76/100).
- What is the weather like in Nainital in September?
- In September, Nainital averages a daily high of 21.5°C and a low of 15.4°C, with about 239.1 mm of rain over roughly 26.2 rainy days.
- What is the air quality in Nainital in September?
- Nainital has a mean US Air Quality Index of about 65 in September.