NOAA GHCND · LIVE

Weather on September 5

San Francisco, CA

55 Years of Data

Avg High
71°F
Avg Low
56°F
Warmest
2004
79°F avg
Coldest
1976
57°F avg

About This Date

September 5th in San Francisco, CA typically brings pleasant fall weather, with average highs around 71°F and lows near 56°F. Over 55 years of records, the warmest September 5th was in 2004 (79°F average), while the coldest was 1976 (57°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.

Planning for September 5th in San Francisco, CA? Great weather for outdoor activities.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
202567°59°63°
202471°54°62°
202370°57°63°
202291°61°76°
202168°52°60°
202089°58°73°
201967°57°62°
201862°56°59°
201777°64°71°
201670°54°62°
201574°55°64°
201468°59°64°
201370°58°64°
201262°53°58°
201161°53°57°
201070°53°61°
200970°55°62°
200889°61°75°
200784°59°72°
200664°52°58°
200561°54°57°
2004warmest96°62°79°
200368°56°62°
200265°54°59°
200166°53°60°
200072°53°62°
199970°50°60°
199875°59°67°
199774°60°67°
199677°53°65°
199584°55°70°
199474°55°64°
199365°56°60°
199282°57°70°
199168°56°62°
199075°56°65°
198966°53°60°
198874°54°64°
198772°57°64°
198667°57°62°
198570°60°65°
198469°56°62°
198374°61°67°
198277°56°66°
198171°52°61°
198061°54°57°
197974°60°67°
197869°58°63°
197770°56°63°
1976coldest60°54°57°
197563°54°58°
197482°55°69°
197363°56°59°
197265°56°60°
197166°56°61°
55 years of data from SAN FRANCISCO DWTN

San Francisco, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

40°50°60°70°80°JFMAMJJASOND
Avg high Avg low

San Francisco, CA Monthly Precipitation

Average rainfall per month, in inches.

0"4.9"9.8"JFMAMJJASOND
Rain (in)

San Francisco, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit San Francisco, CA

Most pleasant months in San Francisco, CA: July, August.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery