Kathmandu in Fall
In fall (September, October and November), Kathmandu sees average daytime highs around 22°C and overnight lows near 14°C, with 443 mm of rain over about 49 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 25°C in early September to 18°C by late November. The sky is clear or mostly clear about 36% of the time across fall, and the air most often feels dry.
Fall is Kathmandu's 3rd-best season to visit on our travel score. For the whole year in context, see Kathmandu's year-round climate.
- Avg daytime high
- 22°C
- 3rd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 443 mm
- 49 wet days
- Avg wind
- 3 km/h
- Travel score
- 5.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Kathmandu in Fall
Over the season highs ease from about 25°C in early September to 18°C by late November.
A typical fall day in Kathmandu reaches about 22°C and drops to 14°C overnight. The warmest of the three months is September, the coolest November.
Kathmandu weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 5° | 44 | 6.3 | 10.4 | 5.2 |
| Feb | 17° / 7° | 50 | 7.8 | 11 | 6.0 |
| Mar | 21° / 10° | 54 | 9.5 | 11.8 | 6.8 |
| Apr | 24° / 13° | 78 | 12.9 | 12.6 | 6.6 |
| May | 25° / 16° | 198 | 22.4 | 13.4 | 5.1 |
| Jun | 25° / 19° | 457 | 27.4 | 13.7 | 3.9 |
| Jul | 25° / 20° | 784 | 31 | 13.6 | 3.3 |
| Aug | 25° / 20° | 637 | 30.9 | 13 | 3.4 |
| Sep | 25° / 18° | 334 | 28.4 | 12.2 | 3.9 |
| Oct | 23° / 14° | 87 | 14.5 | 11.3 | 6.3 |
| Nov | 20° / 10° | 22 | 6.2 | 10.6 | 7.1 |
| Dec | 16° / 7° | 19 | 3.3 | 10.3 | 6.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 36% of the time across fall.
Chance of precipitation in Fall
Kathmandu gets around 443 mm of rain over 49 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 3 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early September to 10 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.1 kWh/m².
Hazard calendar for Kathmandu
None of Kathmandu's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Kathmandu's monsoon runs June–August, when most of the year's rain falls.
Is fall a good time to visit Kathmandu?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Kathmandu for sightseeing.
What to pack for Kathmandu in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Kathmandu sees daytime highs around 22°C and nights near 14°C. Pack rain gear. Worth having: light clothes. About 49 days see rain.
UV index in Kathmandu in Fall
Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kathmandu peaks around July 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 5 | 9 | 9 | 9 | 9 | 12 | 11 | 10 | 8 | 5 | 4 |
| Level | Moderate | Moderate | Very high | Very high | Very high | Very high | Extreme | Extreme | Very high | Very high | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | Moderate |
| Mar | 9 | Very high |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Kathmandu in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Kathmandu is worst in January — around 64 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (July, 11 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Kathmandu's WHO annual average of 37 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 64 | 56 | 44 | 37 | 28 | 20 | 11 | 15 | 21 | 34 | 49 | 63 |
| Level | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 64 | Unhealthy |
| Feb | 56 | Unhealthy |
| Mar | 44 | Poor |
| Apr | 37 | Poor |
| May | 28 | Moderate |
| Jun | 20 | Moderate |
| Jul | 11 | Good |
| Aug | 15 | Moderate |
| Sep | 21 | Moderate |
| Oct | 34 | Moderate |
| Nov | 49 | Poor |
| Dec | 63 | Unhealthy |
Where is Kathmandu?
Kathmandu sits at 27.7°N, 85.3°E, 1,317 m above sea level, in Nepal. The nearest listed city is Patan, 3.0 km away.
Topography around Kathmandu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kathmandu.
Within 3 km, the terrain around Kathmandu has only modest variations in elevation — a maximum elevation change of 92 m around an average of 1,302 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,885 m; within 80 km, extreme variations in elevation — a maximum elevation change of 7,243 m.
The land around Kathmandu is covered by artificial surfaces (91%) within 3 km, trees (51%) and cropland (20%) within 16 km, and trees (70%) within 80 km.
Nepal travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / D / M
- 230 V · 50 Hz
- Prices
- ≈ 24% of US
- price level, 2025
- GDP per capita
- $1,536
- 2025
- Happiness
- 5.1 / 10
- World Happiness, 2025
- Safe drinking water
- 16%
- of population, 2024
- Homicide rate
- 2.1
- per 100k, 2020
- Road deaths
- 16.3
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Moderate
- EF EPI 514
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kathmandu (27.7017°, 85.3206°, elevation 1,317 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.