Hot
Average highs reach 33°C, so days can feel very hot.
September verdict
St. George, Utah, United States in September
Weather score95Excellent
Excellent for holiday weather
Average highs reach 33°C, so days can feel very hot. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 14mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
33°C
Rain
14mm
Sun
11h
Weather score
95
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 14mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Map
Weather map
Compare St. George, Utah, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September33°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
September14mm average rain
September is close to St. George's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
September11 hours average sun
September sits close to St. George's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
September95 weather score
September is one of St. George's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to June and September
These months have the strongest weather score in the monthly averages.
