Newport climate

Newport Weather in September

NOAA 1991-2020 normals for Newport, 0.6 km from Newport

Average highs run from 79°F on September 1 to 66°F on September 30, and lows from 45°F to 38°F. Normal precipitation for the month is 1.16 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Newport, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
41°F
Precipitation
1.16 in
Record high
100°FSep 2, 2025
Record low
18°FSep 23, 2000
Chance of a freeze
78%
Days of 90°F or more
0.9
Daylight
13 h 23 min to 11 h 43 min
Cloud cover
49%
Humidity
54%
Dew point
39°F
Wind
4.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 179°F45°F99°F 202529°F 19990%
Sep 278°F45°F100°F 202533°F 20110%
Sep 378°F45°F99°F 202533°F 20110%
Sep 478°F44°F93°F 200332°F 19990%
Sep 577°F44°F96°F 202431°F 20050%
Sep 677°F44°F95°F 202431°F 20010%
Sep 777°F44°F96°F 202429°F 19990%
Sep 876°F43°F92°F 201129°F 20010%
Sep 976°F43°F96°F 201127°F 20000%
Sep 1076°F43°F94°F 201132°F 20070%
Sep 1175°F43°F93°F 201125°F 20120%
Sep 1275°F42°F92°F 201324°F 20120%
Sep 1375°F42°F90°F 200130°F 20030%
Sep 1474°F42°F90°F 200229°F 20060%
Sep 1574°F42°F89°F 200132°F 20080%
Sep 1673°F41°F91°F 200927°F 20060%
Sep 1773°F41°F89°F 200828°F 20060%
Sep 1873°F41°F86°F 200832°F 20030%
Sep 1972°F41°F90°F 200833°F 20040%
Sep 2072°F40°F85°F 201227°F 20070%
Sep 2171°F40°F88°F 201226°F 20090%
Sep 2271°F40°F85°F 199923°F 20000%
Sep 2370°F40°F90°F 200118°F 20000%
Sep 2470°F39°F93°F 201121°F 20000%
Sep 2569°F39°F89°F 202424°F 20000%
Sep 2669°F39°F85°F 202228°F 20000%
Sep 2768°F39°F89°F 202226°F 20150%
Sep 2868°F38°F84°F 202423°F 20050%
Sep 2967°F38°F82°F 200628°F 20010%
Sep 3066°F38°F82°F 201524°F 20090%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Newport, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

September 1
sunrise 6:06 AM, sunset 7:29 PM
September 30
sunrise 6:46 AM, sunset 6:29 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00455844 (Newport), public domain. Records: NOAA GHCN-Daily, station USW00094119, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.