Smithfield climate

Smithfield Weather in September

NOAA 1991-2020 normals for Richmond, 7.8 km from Smithfield

Average highs run from 83°F on September 1 to 70°F on September 30, and lows from 51°F to 42°F. Normal precipitation for the month is 1.45 in over about 6 wet days.

September day by day

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

Normal daily high and low temperature at Smithfield, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
47°F
Precipitation
1.45 in
Record high
99°FSep 5, 2022
Record low
22°FSep 27, 1999
Chance of a freeze
33%
Days of 90°F or more
2.0
Daylight
13 h 07 min to 11 h 47 min
Cloud cover
40%
Humidity
47%
Dew point
36°F
Wind
6.3 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 183°F51°F97°F 202234°F 202018%0%
Sep 283°F51°F94°F 201737°F 200818%0%
Sep 382°F51°F97°F 201740°F 200018%0%
Sep 482°F50°F98°F 202238°F 199918%0%
Sep 581°F50°F99°F 202236°F 199919%0%
Sep 681°F50°F99°F 202235°F 201019%0%
Sep 781°F50°F99°F 202232°F 201019%0%
Sep 880°F49°F93°F 202231°F 200119%0%
Sep 980°F49°F92°F 202130°F 200120%0%
Sep 1080°F49°F92°F 202132°F 200120%0%
Sep 1179°F48°F91°F 201733°F 201020%0%
Sep 1279°F48°F91°F 201730°F 201420%0%
Sep 1378°F48°F89°F 202632°F 201220%0%
Sep 1478°F47°F90°F 200030°F 200321%0%
Sep 1577°F47°F90°F 200032°F 200321%0%
Sep 1677°F47°F91°F 200035°F 200521%0%
Sep 1777°F46°F91°F 201433°F 200621%0%
Sep 1876°F46°F90°F 201429°F 200321%0%
Sep 1976°F46°F89°F 201031°F 200321%0%
Sep 2075°F45°F87°F 201633°F 201321%0%
Sep 2175°F45°F85°F 200131°F 202121%0%
Sep 2274°F45°F86°F 200128°F 200421%0%
Sep 2374°F44°F89°F 200131°F 200622%0%
Sep 2473°F44°F90°F 200127°F 200022%0%
Sep 2573°F44°F90°F 200127°F 200022%0%
Sep 2672°F43°F88°F 201528°F 200522%0%
Sep 2772°F43°F88°F 200122°F 199922%0%
Sep 2871°F43°F90°F 202423°F 199922%0%
Sep 2971°F42°F92°F 202423°F 199922%0%
Sep 3070°F42°F86°F 201027°F 199922%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Smithfield, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:53 AM, sunset 8:00 PM
September 30
sunrise 7:23 AM, sunset 7:10 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00427271 (Richmond), public domain. Records: NOAA GHCN-Daily, station USW00094128, 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.