Robesonia climate

Robesonia Weather in September

NOAA 1991-2020 normals for Blue Marsh Lake, 9.6 km from Robesonia

Average highs run from 81°F on September 1 to 71°F on September 30, and lows from 59°F to 48°F. Normal precipitation for the month is 5.01 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 Robesonia, 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
54°F
Precipitation
5.01 in
Record high
99°FSep 2, 2010
Record low
34°FSep 29, 2000
Chance of a freeze
3%
Days of 90°F or more
1.2
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
56%
Humidity
72%
Dew point
55°F
Wind
4.0 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°F98°F 201049°F 20090%
Sep 281°F58°F99°F 201042°F 19490%
Sep 381°F58°F93°F 201547°F 19490%
Sep 481°F58°F95°F 202350°F 20240%
Sep 581°F58°F93°F 201850°F 20000%
Sep 680°F57°F95°F 202347°F 20000%
Sep 780°F57°F98°F 202345°F 20000%
Sep 880°F57°F95°F 201550°F 20000%
Sep 979°F56°F94°F 201545°F 19490%
Sep 1079°F56°F95°F 201642°F 19490%
Sep 1179°F56°F94°F 201344°F 19490%
Sep 1278°F55°F90°F 200551°F 20060%
Sep 1378°F55°F93°F 200549°F 20020%
Sep 1478°F55°F92°F 200846°F 20140%
Sep 1577°F54°F89°F 202143°F 20130%
Sep 1677°F54°F89°F 200543°F 20010%
Sep 1777°F53°F85°F 200542°F 20070%
Sep 1876°F53°F87°F 202142°F 20130%
Sep 1976°F53°F88°F 202544°F 20200%
Sep 2075°F52°F87°F 201740°F 20200%
Sep 2175°F52°F87°F 201738°F 20200%
Sep 2275°F51°F92°F 201038°F 20200%
Sep 2374°F51°F92°F 201943°F 19990%
Sep 2474°F51°F92°F 201041°F 20130%
Sep 2573°F50°F90°F 201738°F 19490%
Sep 2673°F50°F90°F 200740°F 19490%
Sep 2772°F49°F89°F 201739°F 20000%
Sep 2872°F49°F87°F 202541°F 20000%
Sep 2972°F49°F82°F 201934°F 20000%
Sep 3071°F48°F81°F 202535°F 20000%

Chance of rain

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

September 1
sunrise 6:32 AM, sunset 7:36 PM
September 30
sunrise 7:00 AM, sunset 6:48 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00360785 (Blue Marsh Lake), public domain. Records: NOAA GHCN-Daily, station USW00014712, 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.