Putnam County climate

Putnam County Weather in September

NOAA 1991-2020 normals for Hennepin, 7 km from Putnam County

Average highs run from 81°F on September 1 to 73°F on September 30, and lows from 59°F to 49°F. Normal precipitation for the month is 3.45 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 Putnam County, 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
55°F
Precipitation
3.45 in
Record high
98°FSep 2, 2000
Record low
27°FSep 23, 1974
Chance of a freeze
2%
Days of 90°F or more
2.8
Daylight
13 h 06 min to 11 h 48 min
Cloud cover
48%
Humidity
71%
Dew point
55°F
Wind
8.9 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 181°F59°F95°F 200038°F 19670%
Sep 280°F59°F98°F 200040°F 19670%
Sep 380°F59°F95°F 200041°F 19970%
Sep 480°F59°F94°F 202342°F 19970%
Sep 580°F58°F95°F 199942°F 19740%
Sep 680°F58°F95°F 199040°F 19880%
Sep 779°F58°F95°F 197838°F 19860%
Sep 879°F57°F96°F 197838°F 19860%
Sep 979°F57°F94°F 197142°F 19860%
Sep 1079°F57°F95°F 201341°F 19670%
Sep 1179°F56°F95°F 201340°F 19670%
Sep 1278°F56°F95°F 200041°F 20070%
Sep 1378°F56°F95°F 199136°F 19750%
Sep 1478°F55°F95°F 200537°F 19740%
Sep 1578°F55°F90°F 199436°F 19840%
Sep 1677°F55°F91°F 197836°F 20070%
Sep 1777°F54°F91°F 197240°F 20140%
Sep 1877°F54°F92°F 198836°F 19730%
Sep 1976°F53°F93°F 197835°F 19910%
Sep 2076°F53°F92°F 202132°F 19910%
Sep 2176°F53°F94°F 201834°F 19910%
Sep 2275°F52°F93°F 202432°F 19740%
Sep 2375°F52°F95°F 201727°F 19740%
Sep 2475°F51°F93°F 201731°F 19890%
Sep 2574°F51°F92°F 201733°F 19840%
Sep 2674°F51°F94°F 201734°F 19840%
Sep 2774°F50°F92°F 201733°F 19750%
Sep 2873°F50°F89°F 199831°F 19840%
Sep 2973°F49°F87°F 198630°F 19670%
Sep 3073°F49°F89°F 200230°F 19930%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Putnam County, 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 (CDT).

September 1
sunrise 6:24 AM, sunset 7:30 PM
September 30
sunrise 6:53 AM, sunset 6:41 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00114012 (Hennepin), public domain. Records: NOAA GHCN-Daily, station USC00116753, 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.