SeasonMapChitwan (Sauraha) weather in September
Nepal
September in Chitwan: sweltering, soaked, with muggy air — not the time — 26 rainy days.
#9 of 12 months in Chitwan · #1271 of 1383 destinations to visit in September · comfort 46/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Chitwan in September
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Chitwan climate normals — September
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 298 mm / 11.7 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 7.9 h/day | |
| Daylight | 12.3 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 78 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Chitwan in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Chitwan's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherChitwan's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Chitwan in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Wet season
MonsoonRisk26 rainy days and about 298 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Chitwan — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Chitwan?
Chitwan in September — FAQ
- Is September a good time to visit Chitwan?
- September in Chitwan: sweltering, soaked, with muggy air — not the time — 26 rainy days. It ranks #9 of 12 months for Chitwan on SeasonMap's comfort score (46/100).
- What is the weather like in Chitwan in September?
- In September, Chitwan averages a daily high of 30°C and a low of 24.6°C, with about 297.8 mm of rain over roughly 25.5 rainy days.
- What is the air quality in Chitwan in September?
- Chitwan has a mean US Air Quality Index of about 78 in September.
Other months in Chitwan
Compare Chitwan in September
Warmer or cooler than Chitwan in September
Similar destinations in South Asia — September
Within 300 km: Kathmandu's Indra Jatra on 19–27 Sep, and Varanasi's Ramnagar Ramlila around 5 Sep – 15 Oct.