Public Information Statement
Issued by NWS Anchorage, AK

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2
337
NOAK48 PAFC 132118
PNSAFC
AKZ102-141400-

Public Information Statement
National Weather Service Anchorage AK
118 PM AKDT Sun Oct 13 2024

...Anchorage International Airport Climate Highlights for
September 2024...

...19th Warmest/55th Coldest September...
...51st Driest/23rd Wettest September...

The period of record includes 73 Septembers.

*** Delineates 2024 in the lists below.

...Temperature...

September 2024 was the 19th warmest September on record with an
average temperature of 50.2 degrees. This is 0.9 degrees above the
normal of 49.3 degrees.

Top 5 Warmest Septembers By Average Temperature
-----------------------------------------------
1) 55.0 degrees in 2018.
2) 53.6 degrees in 1965 1995.
3) 52.7 degrees in 2019.
4) 52.0 degrees in 1979.
5) 51.9 degrees in 1963.


Top 5 Coldest Septembers By Average Temperature
-----------------------------------------------
1) 40.3 degrees in 1992.
2) 44.5 degrees in 1972.
3) 45.0 degrees in 2004.
4) 45.5 degrees in 1983.
5) 45.6 degrees in 1953.

The average high in September 2024 was 55.5 degrees, which was 0.2
degrees below the normal of 55.7 degrees. The average low was 44.8
degrees, which was 1.9 degrees above the normal of 42.9 degrees.

16 days in September had above normal temperatures. 6 days in
September had below normal temperatures. 8 days in September had
normal temperatures (within 1/2 degree).

0 days in September were 5 degrees or more above the daily normal.
1 day in September was 5 degrees or more below the daily normal.

The most above normal day in September occurred on the 6th, which
was 4.6 degrees warmer than the daily normal.

The most below normal day in September occurred on the 22nd, which
was 6.7 degrees colder than the daily normal.

The warmest daily high in September occurred on the 3rd and 6th,
when the high reached 64 degrees. This ties 9 previous years, with
the most recent year 2013, for the 34th warmest monthly high in
September.

Top 5 Warmest Monthly Highs in September
----------------------------------------
1) 73 degrees - 1957.
2) 71 degrees - 1978 1996 2016.
3) 70 degrees - 1963 1965 1974 2018.
4) 69 degrees - 1977 1979 1994 2019.
5) 68 degrees - 1956 1989.

The coldest daily low in September occurred on the 30th when the
low dropped to 33 degrees. This ties 3 previous years, with the
most recent year 2001, for the 58th coldest monthly high in
September.

Top 5 Coldest Monthly Lows in September
---------------------------------------
1) 19 degrees - 1992.
2) 20 degrees - 1956.
3) 25 degrees - 1953 1974 1983 1986 1996 2010 2021.
4) 26 degrees - 1968 1970 1972.
5) 27 degrees - 1955 1957 1981 1993 1999 2000 2004.

Number of days in September
---------------------------

High Temperature of 60 degrees or warmer -  2 days
High Temperature of 50 degrees or warmer - 28 days
High Temperature of 40 degrees or warmer - 30 days

Low Temperature of 40 degrees or less -  8 days
Low Temperature of 50 degrees or less - 26 days
Low Temperature of 60 degrees or less - 30 days


...Precipitation...

September 2024 was the 23rd wettest on record, with 3.38
inches of precipitation measured for the month. The normal
precipitation for September is 3.10 inches.

Top 5 Wettest Septembers on Record
----------------------------------
1) 7.70 inches - 2015.
2) 7.61 inches - 2004.
3) 6.64 inches - 1990.
4) 6.12 inches - 2012.
5) 5.56 inches - 2013.

Top 5 Driest Septembers on Record
---------------------------------
1) 0.63 inches - 2011.
2) 0.73 inches - 1998.
3) 0.76 inches - 1973.
4) 0.78 inches - 1969.
5) 0.83 inches - 1964.

The wettest day in September was on the 12th, with 0.87 inches
of precipitation measured. The second wettest day in September
was on the 11th, with 0.58 inches of precipitation measured.

Number of days in September
---------------------------

Daily Precipitation of a trace or more - 23 days
Daily Precipitation of 0.01 inches (measurable) or more - 21 days
Daily Precipitation of 0.10 inches or more - 10 days
Daily Precipitation of 0.25 inches or more - 3 days
Daily Precipitation of 0.50 inches or more - 2 days

...Snowfall...

0.0 inches of snow was measured in September 2024. The normal
monthly snowfall for September is 0.4 inches.

Top 5 Snowiest Septembers on Record
-----------------------------------
1) 6.4 inches - 2004.
2) 4.6 inches - 1965.
3) 3.0 inches - 1992.
4) 2.8 inches - 2015.
5) 1.5 inches - 1972 1981.


...September 2024 vs. September 2023...

September 2024 was warmer and wetter than September 2023.

Temperature: 50.2 degrees in 2024 vs. 48.2 degrees in 2023.
Precipitation: 3.38 inches in 2024 vs. 3.03 inches in 2023.
Snowfall: 0.0" in 2024 vs. 0.0" in 2023.

...Daily Records Set in September 2024...

Type............Date....New Record....Old Record (Year)

Precipitation......September 12th.....0.87".....0.76" (1966)

...Daily Records Count for 2024 (Change) [Most Recent
Previous]...

Warmest High....6 (00)[August 5th]
Warmest Low.....3 (00)[August 18th]
Coldest High....4 (00)[August 10th]
Coldest Low.....2 (00) [February 1st]
Precipitation...9 (+01)[September 12th]
Snowfall........4 (00) [February 24th]


...Climate Highlights for October 2024...

Normal High: 42.0 degrees.
Normal Average Temperature: 36.3 degrees.
Normal Low: 30.7 degrees.
Normal Precipitation: 1.82 inches.
Normal Snowfall: 5.6 inches.

Warmest October: 44.8 degrees average temperature (2018).
Warmest Day: 64 degrees on October 9th, 2006.
Coldest October: 25.4 degrees average temperature (1996).
Coldest Day: -5 degrees on October 31st, 1956.
Wettest October: 4.11 inches (1986).
Wettest Day: 1.68 inches on October 26th, 1952.
Driest October:  0.35 inches (1960).

...Calendar of Astronomy and Federal Holidays...

Total Daylight on October 1st: 11 hours 20 minutes 29 seconds.
Total Daylight on October 31st: 8 hours 31 minutes 54 seconds.

Total Daylight lost: 2 hours 48 minutes 35 seconds.

First day with less than 11 hours of daylight: October 5th.
First day with less than 10 hours of daylight: October 16th.
First day with less than 9 hours of daylight: October 26th.

First day with sunrise after 9 AM AKDT: October 22nd.
First day with sunset before 7 PM AKDT: October 11th.

Highest Solar Noon Sun Angle: 25.1 degrees above the horizon
(October 1st).
Lowest Solar Noon Sun Angle: 14.3 degrees above the horizon
(October 31st).
Total Monthly Decrease of the Solar Noon Sun Angle with respect
to the horizon: 10.8 degrees.

New Moon: October 2nd at 10:49 AM AKDT.
First Quarter Moon: October 10th at 10:55 AM AKDT.
Full Moon (Hunter`s Moon): October 17th at 3:26 PM AKDT.
Last Quarter Moon: October 24th at 12:03 AM AKDT.

Columbus/Indigenous Peoples` Day: October 14th.

...Upcoming Meteor Showers and Eclipses...

Comet Tsuchinshan-ATLAS visible in the night sky beginning
around October 12th.

Markle

$$