Cool
Average highs are around 17°C, so pack for cooler days.
September verdict
Frisco, Colorado, United States in September
Weather score44Mixed
Mixed for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 37mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
17°C
Rain
37mm
Sun
8.5h
Weather score
44
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 37mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Frisco, Colorado, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September17°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September37mm average rain
September is close to Frisco's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
September8.5 hours average sun
September sits close to Frisco's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September44 weather score
September sits close to Frisco's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsFebruary and April to October
These months have the strongest weather score in the monthly averages.
