Germantown climate

Germantown Weather in September

NOAA 1991-2020 normals for Franklin, 9.1 km from Germantown

Average highs run from 84°F on September 1 to 73°F on September 30, and lows from 58°F to 47°F. Normal precipitation for the month is 2.87 in over about 7 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 Germantown, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
79°F
Average low
53°F
Precipitation
2.87 in
Record high
101°FSep 2, 1953
Record low
29°FSep 30, 1963
Chance of a freeze
3%
Days of 90°F or more
2.5
Daylight
13 h 02 min to 11 h 48 min
Cloud cover
48%
Humidity
68%
Dew point
55°F
Wind
7.4 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 184°F58°F100°F 195342°F 196321%0%
Sep 283°F58°F101°F 195341°F 196721%0%
Sep 383°F58°F99°F 201143°F 196721%0%
Sep 483°F57°F94°F 195342°F 198221%0%
Sep 583°F57°F97°F 195443°F 195721%0%
Sep 682°F57°F98°F 195440°F 196221%0%
Sep 782°F57°F93°F 201038°F 198821%0%
Sep 882°F56°F96°F 196437°F 195621%0%
Sep 981°F56°F97°F 196039°F 198622%0%
Sep 1081°F55°F97°F 196440°F 198622%0%
Sep 1181°F55°F98°F 196441°F 195822%0%
Sep 1280°F55°F92°F 198342°F 197022%0%
Sep 1380°F54°F93°F 201938°F 197522%0%
Sep 1480°F54°F93°F 199136°F 195322%0%
Sep 1579°F54°F95°F 199840°F 198522%0%
Sep 1679°F53°F92°F 199138°F 198522%0%
Sep 1779°F53°F92°F 199135°F 195922%0%
Sep 1878°F52°F93°F 195333°F 195922%0%
Sep 1978°F52°F90°F 196539°F 197323%0%
Sep 2077°F51°F91°F 201835°F 195623%0%
Sep 2177°F51°F93°F 202430°F 196223%0%
Sep 2277°F51°F92°F 198635°F 197623%0%
Sep 2376°F50°F93°F 201033°F 197423%0%
Sep 2476°F50°F90°F 196132°F 198323%0%
Sep 2575°F49°F90°F 196132°F 196323%0%
Sep 2675°F49°F90°F 201735°F 198723%0%
Sep 2775°F48°F89°F 198633°F 199123%0%
Sep 2874°F48°F90°F 201933°F 199124%0%
Sep 2974°F48°F93°F 195331°F 196224%0%
Sep 3073°F47°F90°F 201929°F 196324%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Germantown, 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 (EDT).

September 1
sunrise 7:06 AM, sunset 8:08 PM
September 30
sunrise 7:33 AM, sunset 7:21 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00332928 (Franklin), public domain. Records: NOAA GHCN-Daily, station USC00332928, 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.