Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Modesto, California, United States in September
Weather score94Excellent
Excellent for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 9mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
31°C
Rain
9mm
Sun
11h
Weather score
94
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 9mm, 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 Modesto, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September31°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
September9mm average rain
September is one of Modesto's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September11 hours average sun
September is brighter than Modesto's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September94 weather score
September is one of Modesto's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.
