Deltana climate

Deltana Weather in September

NOAA 1991-2020 normals for Delta Junction 20 Se, 11.7 km from Deltana

Average highs run from 61°F on September 1 to 47°F on September 30, and lows from 35°F to 24°F. Normal precipitation for the month is 1.17 in over about 9 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 Deltana, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
55°F
Average low
30°F
Precipitation
1.17 in
Snowfall
1.0 in
Record high
79°FSep 1, 1963
Record low
-2°FSep 27, 1983
Chance of a freeze
100%
Daylight
14 h 29 min to 11 h 24 min
Cloud cover
70%
Humidity
84%
Dew point
34°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 161°F35°F79°F 196327°F 196236%0%
Sep 261°F34°F72°F 194219°F 198036%1%
Sep 361°F34°F72°F 194925°F 198335%1%
Sep 460°F34°F72°F 196326°F 199235%1%
Sep 560°F33°F77°F 195727°F 196134%1%
Sep 659°F33°F71°F 198625°F 195234%1%
Sep 759°F33°F71°F 194620°F 195233%1%
Sep 858°F32°F74°F 198921°F 194533%1%
Sep 958°F32°F74°F 198926°F 197032%2%
Sep 1058°F31°F71°F 196523°F 197032%2%
Sep 1157°F31°F72°F 196525°F 199232%2%
Sep 1257°F31°F71°F 200726°F 195931%2%
Sep 1356°F30°F72°F 201424°F 201531%3%
Sep 1456°F30°F70°F 201421°F 200330%3%
Sep 1555°F30°F69°F 197319°F 199230%3%
Sep 1655°F29°F66°F 19734°F 199229%3%
Sep 1754°F29°F65°F 196717°F 197229%4%
Sep 1854°F29°F65°F 199518°F 200328%4%
Sep 1953°F28°F66°F 199512°F 194728%4%
Sep 2053°F28°F68°F 195114°F 200328%5%
Sep 2152°F28°F74°F 199016°F 197227%5%
Sep 2251°F27°F67°F 199511°F 197227%6%
Sep 2351°F27°F71°F 19425°F 199226%6%
Sep 2450°F27°F73°F 194210°F 199226%7%
Sep 2550°F26°F63°F 197612°F 198325%7%
Sep 2649°F26°F60°F 19656°F 198325%7%
Sep 2748°F25°F64°F 1945-2°F 198324%8%
Sep 2848°F25°F62°F 19422°F 199224%8%
Sep 2947°F25°F62°F 196610°F 202124%9%
Sep 3047°F24°F66°F 2003-1°F 199223%9%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Deltana, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (AKDT).

September 1
sunrise 6:25 AM, sunset 8:54 PM
September 30
sunrise 7:48 AM, sunset 7:12 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00502352 (Delta Junction 20 Se), public domain. Records: NOAA GHCN-Daily, station USW00026415, 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.