Richmond climate

Richmond Weather in September

NOAA 1991-2020 normals for Gardiner, 14.8 km from Richmond

Average highs run from 77°F on September 1 to 67°F on September 30, and lows from 55°F to 44°F. Normal precipitation for the month is 3.93 in over about 9 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 Richmond, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
72°F
Average low
50°F
Precipitation
3.93 in
Record high
95°FSep 9, 2002
Record low
28°FSep 29, 2000
Chance of a freeze
12%
Daylight
13 h 13 min to 11 h 46 min
Cloud cover
56%
Humidity
78%
Dew point
53°F
Wind
4.5 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 177°F55°F91°F 201036°F 200230%0%
Sep 277°F54°F91°F 201041°F 200130%0%
Sep 377°F54°F92°F 199942°F 200130%0%
Sep 477°F54°F85°F 200842°F 199730%0%
Sep 576°F54°F91°F 202341°F 200030%0%
Sep 676°F53°F87°F 201836°F 200030%0%
Sep 776°F53°F89°F 201539°F 200030%0%
Sep 875°F53°F90°F 201544°F 201330%0%
Sep 975°F52°F95°F 200240°F 200330%0%
Sep 1075°F52°F89°F 200237°F 200330%0%
Sep 1174°F52°F86°F 201338°F 200831%0%
Sep 1274°F51°F84°F 200540°F 200231%0%
Sep 1374°F51°F83°F 202439°F 200231%0%
Sep 1473°F50°F83°F 201639°F 200431%0%
Sep 1573°F50°F83°F 201535°F 200131%0%
Sep 1673°F50°F85°F 201537°F 200131%0%
Sep 1772°F49°F86°F 202435°F 201131%0%
Sep 1872°F49°F84°F 202435°F 200731%0%
Sep 1971°F49°F79°F 202433°F 201431%0%
Sep 2071°F48°F79°F 201932°F 201431%0%
Sep 2170°F48°F82°F 201630°F 202032%0%
Sep 2270°F47°F82°F 201631°F 202032%0%
Sep 2370°F47°F85°F 201736°F 200832%0%
Sep 2469°F47°F87°F 201733°F 199832%0%
Sep 2569°F46°F84°F 201735°F 200032%0%
Sep 2668°F46°F85°F 200731°F 200932%0%
Sep 2768°F45°F83°F 201431°F 201533%0%
Sep 2867°F45°F80°F 202532°F 200033%0%
Sep 2967°F45°F80°F 202528°F 200033%0%
Sep 3067°F44°F76°F 202432°F 200033%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Richmond, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:02 AM, sunset 7:15 PM
September 30
sunrise 6:36 AM, sunset 6:22 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00173046 (Gardiner), public domain. Records: NOAA GHCN-Daily, station USW00094623, 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.