Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Kollam, India in September
Weather score54Mixed
Mixed for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 274mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
30°C
Rain
274mm
Sun
5.8h
Sea
27°C
Weather score
54
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 274mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Kollam, India with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September30°C average high
September is on the cooler side of Kollam's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to May
This stretch sets the upper range for average daytime heat.
Rain
September274mm average rain
September sits near Kollam's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.8 hours average sun
September is below Kollam's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September27°C average sea
September is below Kollam's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMarch to May and November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
September54 weather score
September scores below Kollam's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
