Wellsville climate

Wellsville Weather in September

NOAA 1991-2020 normals for Ottawa, 20.8 km from Wellsville

Average highs run from 85°F on September 1 to 75°F on September 30, and lows from 61°F to 50°F. Normal precipitation for the month is 4.05 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 Wellsville, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
56°F
Precipitation
4.05 in
Record high
107°FSep 2, 2000
Record low
36°FSep 26, 2000
Chance of a freeze
6%
Days of 90°F or more
4.6
Daylight
13 h 00 min to 11 h 49 min
Cloud cover
45%
Humidity
70%
Dew point
57°F
Wind
9.2 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°F61°F104°F 200041°F 194928%0%
Sep 285°F61°F107°F 200049°F 195228%0%
Sep 384°F61°F107°F 194754°F 195228%0%
Sep 484°F60°F100°F 195449°F 201028%0%
Sep 584°F60°F101°F 202646°F 196228%0%
Sep 683°F60°F100°F 199846°F 195628%0%
Sep 783°F59°F103°F 194744°F 195628%0%
Sep 883°F59°F103°F 194745°F 195628%0%
Sep 983°F59°F97°F 196349°F 196228%0%
Sep 1082°F58°F97°F 200044°F 196228%0%
Sep 1182°F58°F102°F 200046°F 195928%0%
Sep 1282°F58°F102°F 195640°F 201428%0%
Sep 1381°F57°F98°F 195637°F 201428%0%
Sep 1481°F57°F94°F 202643°F 196128%0%
Sep 1581°F56°F94°F 195542°F 196128%0%
Sep 1680°F56°F96°F 195443°F 201428%0%
Sep 1780°F56°F96°F 195349°F 195128%0%
Sep 1880°F55°F98°F 202246°F 201228%0%
Sep 1979°F55°F99°F 202242°F 200328%0%
Sep 2079°F54°F99°F 202242°F 196228%0%
Sep 2179°F54°F95°F 195637°F 199928%0%
Sep 2278°F54°F91°F 195641°F 195128%0%
Sep 2378°F53°F91°F 200040°F 201228%0%
Sep 2478°F53°F89°F 201641°F 200028%0%
Sep 2577°F52°F89°F 195640°F 200028%0%
Sep 2677°F52°F92°F 195336°F 200028%0%
Sep 2777°F52°F93°F 195638°F 201828%0%
Sep 2876°F51°F102°F 195336°F 195127%0%
Sep 2976°F51°F95°F 195339°F 200327%0%
Sep 3075°F50°F91°F 195241°F 199927%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wellsville, 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 6:50 AM, sunset 7:50 PM
September 30
sunrise 7:15 AM, sunset 7:04 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00146128 (Ottawa), public domain. Records: NOAA GHCN-Daily, station USW00093909, 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.