Places › Yosemite National Park, CA › September
Yosemite National Park in September
One of the best months — score 84 of 100
Typical September days in Yosemite National Park reach about 83°F with nights near 51°F; rain is rare.
Avg high
83°F
1991–2020 normal
Avg low
51°F
1991–2020 normal
Rain total
0.40 in
in a typical September
Rain days
2
days with at least 0.01 in
Daylight
12h 23m
at mid-September, computed
What to pack for Yosemite National Park in September
- A light jacket or fleece for evenings.
- Layers — afternoons run about 32° warmer than mornings.
Every packing line is triggered by a number on this page — the rules are on How we pick.
September vs. the alternatives
The whole year in Yosemite National Park
JAN
48°F
Rain 9 days
Daylight 9h 49mFEB
51°F
Rain 9 days
Daylight 10h 44mMAR
57°F
Rain 11 days
Daylight 11h 50mAPR
63°F
★ Best
Rain 7 days
Daylight 13h 07mMAY
70°F
★ Best
Rain 6 days
Daylight 14h 11mJUN
80°F
Rain 2 days
Daylight 14h 46mJUL
89°F
Rain 1 days
Daylight 14h 32mAUG
89°F
Rain 1 days
Daylight 13h 37mSEP
83°F
Rain 2 days
Daylight 12h 23mOCT
71°F
★ Best
Rain 4 days
Daylight 11h 09mNOV
56°F
Rain 6 days
Daylight 10h 05mDEC
46°F
Rain 8 days
Daylight 9h 34m
48°F
Rain 9 days
Daylight 9h 49mFEB
51°F
Rain 9 days
Daylight 10h 44mMAR
57°F
Rain 11 days
Daylight 11h 50mAPR
63°F
★ Best
Rain 7 days
Daylight 13h 07mMAY
70°F
★ Best
Rain 6 days
Daylight 14h 11mJUN
80°F
Rain 2 days
Daylight 14h 46mJUL
89°F
Rain 1 days
Daylight 14h 32mAUG
89°F
Rain 1 days
Daylight 13h 37mSEP
83°F
Rain 2 days
Daylight 12h 23mOCT
71°F
★ Best
Rain 4 days
Daylight 11h 09mNOV
56°F
Rain 6 days
Daylight 10h 05mDEC
46°F
Rain 8 days
Daylight 9h 34m
Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.