Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
September verdict
Kathmandu, Nepal in September
Weather score49Mixed
Mixed for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 3.8h per day, so this is not one of the brighter months. Rainfall averages 323mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
28°C
Rain
323mm
Sun
3.8h
Weather score
49
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 323mm, so showers are a real planning factor.
Limited sun
Sunshine averages 3.8h per day, so this is not one of the brighter months.
Map
Weather map
Compare Kathmandu, Nepal with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September28°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
September323mm average rain
September sits near Kathmandu's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September3.8 hours average sun
September is below Kathmandu's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to April
This stretch has the strongest sunshine in the monthly averages.
Weather score
September49 weather score
September scores below Kathmandu's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to May
These months have the strongest weather score in the monthly averages.
