Monthly Climate Summary

September 2020 Summary

Mostly Clear 32°F

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

Monthly Climate Summary

Observed averages, totals, and departures from normal

Average Temperature

63.1°F

Normal: 63.6°F
Departure: -0.5°F

Total Precipitation

3.73 in

Normal: 3.73 in
Departure: -0.73 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0 in

September 2020 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Overcast 76°F 62°F 0.00 in 0.0 in
2nd Rain 73°F 64°F 0.42 in 0.0 in
3rd Rain Shower 79°F 63°F 0.01 in 0.0 in
4th mostly cloudy 75°F 57°F 0.00 in 0.0 in
5th partly cloudy 76°F 51°F 0.00 in 0.0 in
6th mostly cloudy 77°F 60°F 0.00 in 0.0 in
7th mostly cloudy 78°F 58°F 0.00 in 0.0 in
8th mostly cloudy 83°F 63°F 0.00 in 0.0 in
9th mostly cloudy 83°F 63°F 0.00 in 0.0 in
10th Rain 77°F 64°F 0.08 in 0.0 in
11th mostly cloudy 68°F 51°F 0.00 in 0.0 in
12th Sunny 71°F 45°F 0.00 in 0.0 in
13th Rain Shower 75°F 53°F 0.00 in 0.0 in
14th mostly cloudy 71°F 51°F 0.00 in 0.0 in
15th Haze 63°F 43°F 0.00 in 0.0 in
16th Haze 70°F 47°F 0.00 in 0.0 in
17th mostly cloudy 72°F 52°F 0.01 in 0.0 in
18th partly cloudy 65°F 47°F 0.00 in 0.0 in
19th mostly cloudy 59°F 38°F 0.00 in 0.0 in
20th Sunny 63°F 37°F 0.00 in 0.0 in
21st Sunny 63°F 37°F 0.00 in 0.0 in
22nd Sunny 67°F 37°F 0.00 in 0.0 in
23rd partly cloudy 72°F 53°F 0.00 in 0.0 in
24th mostly cloudy 73°F 52°F 0.00 in 0.0 in
25th Haze 79°F 56°F 0.00 in 0.0 in
26th partly cloudy 76°F 57°F 0.00 in 0.0 in
27th mostly cloudy 77°F 65°F 0.00 in 0.0 in
28th Rain Shower 76°F 68°F 0.19 in 0.0 in
29th Rain Shower 76°F 58°F 0.73 in 0.0 in
30th Rain Shower 64°F 55°F 1.56 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

119.5

Normal: 66.0
Departure: + 53.5

Cooling Degree Days

61.5

Normal: 23.0
Departure: + 38.5

All-time Monthly Records

Highest and lowest observed extremes for this month

Record High

100°F

Set in 1953

Record Low

24°F

Set in 1947

Record Precipitation

5.6 in

Set in 1999

Record Snowfall

0 in

Set in ----

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.