Monthly Climate Summary

September 2023 Summary

Light Snow 34°F

Data is available from 2005 to present. The latest summary is available the first week of each month.

Monthly Climate Summary

Observed averages, totals, and departures from normal

Average Temperature

63.8°F

Normal: 63.6°F
Departure: + 0.2°F

Total Precipitation

4.26 in

Normal: 3.73 in
Departure: + 0.53 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0.0 in

Warmest Day

90°F

September 7th

Coldest Day

41°F

September 28th

Wettest Day

1.40 in

September 10th

Snowiest Day

0.0 in

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September 2023 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Sunny 74°F 49°F 0.00 in 0.0 in
2nd Rain Shower 76°F 52°F 0.02 in 0.0 in
3rd Mostly Sunny 82°F 62°F 0.00 in 0.0 in
4th Partly Cloudy 86°F 66°F 0.00 in 0.0 in
5th Mostly Cloudy 87°F 68°F 0.00 in 0.0 in
6th Partly Cloudy 88°F 69°F 0.00 in 0.0 in
7th Thunderstorm 90°F 69°F 0.29 in 0.0 in
8th Thunderstorm 83°F 67°F 1.00 in 0.0 in
9th Rain Shower 77°F 64°F 0.01 in 0.0 in
10th Rain 75°F 65°F 1.40 in 0.0 in
11th Rain 72°F 63°F 0.03 in 0.0 in
12th Mostly Cloudy 77°F 63°F 0.00 in 0.0 in
13th Rain 70°F 62°F 0.21 in 0.0 in
14th Partly Cloudy 69°F 53°F 0.00 in 0.0 in
15th Mostly Cloudy 67°F 48°F 0.00 in 0.0 in
16th Mostly Cloudy 71°F 54°F 0.00 in 0.0 in
17th Rain Shower 71°F 51°F 0.16 in 0.0 in
18th Rain 62°F 58°F 0.63 in 0.0 in
19th Rain Shower 68°F 52°F 0.01 in 0.0 in
20th Mostly Sunny 68°F 46°F 0.00 in 0.0 in
21st Sunny 68°F 46°F 0.00 in 0.0 in
22nd Partly Cloudy 71°F 47°F 0.00 in 0.0 in
23rd Rain 59°F 48°F 0.00 in 0.0 in
24th Rain 64°F 51°F 0.15 in 0.0 in
25th Rain 64°F 52°F 0.18 in 0.0 in
26th Mostly Cloudy 65°F 46°F 0.00 in 0.0 in
27th Mostly Sunny 66°F 44°F 0.00 in 0.0 in
28th Partly Cloudy 66°F 41°F 0.00 in 0.0 in
29th Rain 59°F 54°F 0.12 in 0.0 in
30th Rain 65°F 55°F 0.05 in 0.0 in
Legend and Icon Key
Warmest High
Coldest Low
Wettest Day
Snowiest Day
Sunny Mostly Sunny Partly Cloudy Mostly Cloudy Overcast Rain Light Rain Rain Shower Drizzle Freezing Rain Snow Light Snow Snow Shower Snow Flurries Sleet Rain & Snow Wintry Mix Thunderstorm Haze

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

125.0

Normal: 66.0
Departure: + 59.0

Cooling Degree Days

87.5

Normal: 23.0
Departure: + 64.5

Climate Activity Summary

Key temperature and precipitation patterns for the month

Days at or
Above 90°F

1

Days Above Freezing

30

Days That Stayed Below Freezing

0

Freezing Nights (Low Below 32°F)

0

Days with Precipitation

14

Days with
Snowfall

0

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

0.7 mph

Peak Wind Gust

21 mph

Dominant Wind Direction

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All-time Monthly Records

Highest and lowest observed extremes for this month

Warmest Day

100°F

September 2nd, 1953

Coldest Day

24°F

September 27th, 1947

Wettest Day

5.60 in

September 16th, 1999

Snowiest Day

0.0 in

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Climate Context

How this month compares to typical conditions

Monthly climate summaries compare observed weather to long‑term normals. Positive temperature departures indicate warmer‑than‑normal conditions, while negative departures reflect cooler‑than‑normal patterns. Precipitation and snowfall departures help highlight unusually wet, dry, or snowy months across Colonie.