Weather in Nepal in september
Country-wide climate normals across 15 cities in Nepal.
How Hot Is Nepal in september?
Nepal runs hot in September: typical highs of 29°C across most cities, with Kathmandu representative. Regional variation: 22°C to 32°C.
Sunshine in Nepal in september
Dark, overcast days dominate Nepal in September — Kathmandu sees just 1.1h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Nepal In september?
Nepal is in the heart of its rainy season: Kathmandu measures 342mm of rain across 24 days in September, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is Nepal Humid In september?
Heavy oppressive humidity covers Nepal in September: 78% on average in Kathmandu, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Nepal In september
Light breezes are typical across Nepal in September: 11 kph in Kathmandu, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Nepal In september
Nepal's September is dominated by overcast skies: Kathmandu averages 77% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.