SeasonMapLumbini weather in September
Nepal
September in Lumbini: hot, soaked, with muggy air — not the time — 22 rainy days.
#11 of 12 months in Lumbini · #1301 of 1383 destinations to visit in September · comfort 42/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Lumbini in September
No notes yet. Open Lumbini on the map to add the first one.
Lumbini climate normals — September
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Rainfall | 327 mm / 12.9 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 8.2 h/day | |
| Daylight | 12.3 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 87 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Lumbini 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.
Quietschool holidays in 3 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Lumbini'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).
Toughest weatherLumbini's best weather comes in February, November and December — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Lumbini in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Wet season
MonsoonRisk22 rainy days and about 327 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 Lumbini — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Lumbini?
Lumbini in September — FAQ
- Is September a good time to visit Lumbini?
- September in Lumbini: hot, soaked, with muggy air — not the time — 22 rainy days. It ranks #11 of 12 months for Lumbini on SeasonMap's comfort score (42/100).
- What is the weather like in Lumbini in September?
- In September, Lumbini averages a daily high of 30.1°C and a low of 24.7°C, with about 326.5 mm of rain over roughly 22.4 rainy days.
- What is the air quality in Lumbini in September?
- Lumbini has a mean US Air Quality Index of about 87 in September.
Other months in Lumbini
Compare Lumbini in September
Warmer or cooler than Lumbini 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.