Will I be cold?
Will I be cold in Fresno in September?
Verdict
No — No, comfortable.
Lows stay near 63°F — you won't be reaching for the puffer.
Day vs. night
Day
93°F
Sweltering
Plan indoor hours around the peak of the day.
Night
63°F
Comfortable
Comfortable outside without an extra layer.
Why
Fresno in September averages highs of 93°F, lows of 63°F, 1 rainy days.
You can pack for the daytime temps and not worry about the evening dip.
The day-to-night temperature swing is 30°F, which is the real story here — the average number hides how different midday and midnight feel.
Nearby months
Packing pointers
Best shoes
Boots & insulated picks for Fresno in September →