Sylvania climate

Sylvania Weather in September

NOAA 1991-2020 normals for Valley Head, 18.8 km from Sylvania

Average highs run from 85°F on September 1 to 77°F on September 30, and lows from 64°F to 55°F. Normal precipitation for the month is 4.69 in over about 8 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 Sylvania, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
81°F
Average low
60°F
Precipitation
4.69 in
Record high
102°FSep 6, 2026
Record low
40°FSep 26, 2001
Chance of a freeze
0%
Days of 90°F or more
3.8
Daylight
12 h 53 min to 11 h 52 min
Cloud cover
50%
Humidity
68%
Dew point
60°F
Wind
4.7 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 185°F64°F98°F 201661°F 200528%0%
Sep 284°F64°F97°F 202664°F 200528%0%
Sep 384°F64°F98°F 202660°F 200528%0%
Sep 484°F64°F97°F 201157°F 201728%0%
Sep 584°F63°F100°F 202659°F 202128%0%
Sep 684°F63°F102°F 202660°F 200628%0%
Sep 784°F63°F99°F 202649°F 201728%0%
Sep 883°F63°F96°F 201650°F 201727%0%
Sep 983°F62°F95°F 201951°F 202427%0%
Sep 1083°F62°F99°F 201954°F 201127%0%
Sep 1183°F62°F99°F 200256°F 202127%0%
Sep 1282°F62°F96°F 200256°F 201727%0%
Sep 1382°F61°F99°F 201953°F 202227%0%
Sep 1482°F61°F97°F 201955°F 200627%0%
Sep 1582°F61°F99°F 202655°F 200627%0%
Sep 1681°F60°F98°F 201651°F 200727%0%
Sep 1781°F60°F99°F 201952°F 200127%0%
Sep 1881°F60°F98°F 201956°F 200427%0%
Sep 1981°F59°F95°F 201048°F 201227%0%
Sep 2080°F59°F96°F 201051°F 200627%0%
Sep 2180°F59°F100°F 201049°F 200627%0%
Sep 2280°F58°F96°F 201653°F 201327%0%
Sep 2379°F58°F96°F 201648°F 202127%0%
Sep 2479°F57°F97°F 201643°F 201227%0%
Sep 2579°F57°F98°F 201646°F 200126%0%
Sep 2679°F57°F98°F 201640°F 200126%0%
Sep 2778°F56°F92°F 201640°F 200126%0%
Sep 2878°F56°F96°F 201944°F 202226%0%
Sep 2978°F55°F98°F 201943°F 200326%0%
Sep 3077°F55°F95°F 201942°F 200326%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sylvania, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:16 AM, sunset 7:09 PM
September 30
sunrise 6:37 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 USC00018469 (Valley Head), public domain. Records: NOAA GHCN-Daily, station USC00013043, 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.