Monthly Climate Summary

September 2011 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

63.7°F

Normal: 63.6°F
Departure: + 0.1°F

Total Precipitation

3.73 in

Normal: 3.73 in
Departure: + 3.99 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0 in

September 2011 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Rain Shower 78°F 57°F 0.05 in 0.0 in
2nd partly cloudy 77°F 59°F 0.00 in 0.0 in
3rd partly cloudy 80°F 61°F 0.00 in 0.0 in
4th Thunderstorm 79°F 68°F 0.31 in 0.0 in
5th Rain 71°F 61°F 0.85 in 0.0 in
6th Rain 65°F 58°F 0.87 in 0.0 in
7th Rain 61°F 57°F 1.59 in 0.0 in
8th Rain 71°F 60°F 0.34 in 0.0 in
9th Rain Shower 80°F 61°F 0.00 in 0.0 in
10th partly cloudy 73°F 57°F 0.00 in 0.0 in
11th mostly cloudy 69°F 52°F 0.00 in 0.0 in
12th partly cloudy 79°F 58°F 0.00 in 0.0 in
13th partly cloudy 80°F 59°F 0.00 in 0.0 in
14th mostly cloudy 74°F 60°F 0.00 in 0.0 in
15th Rain 62°F 45°F 0.54 in 0.0 in
16th mostly cloudy 59°F 41°F 0.00 in 0.0 in
17th mostly cloudy 61°F 39°F 0.00 in 0.0 in
18th mostly cloudy 66°F 40°F 0.00 in 0.0 in
19th mostly cloudy 64°F 39°F 0.00 in 0.0 in
20th Rain 64°F 52°F 0.14 in 0.0 in
21st Rain Shower 72°F 58°F 0.01 in 0.0 in
22nd Thunderstorm 74°F 64°F 1.04 in 0.0 in
23rd Rain 69°F 58°F 0.38 in 0.0 in
24th Rain Shower 74°F 61°F 0.07 in 0.0 in
25th mostly cloudy 74°F 59°F 0.00 in 0.0 in
26th mostly cloudy 79°F 59°F 0.00 in 0.0 in
27th mostly cloudy 78°F 58°F 0.00 in 0.0 in
28th Rain 69°F 63°F 0.37 in 0.0 in
29th Thunderstorm 71°F 61°F 1.15 in 0.0 in
30th Rain Shower 69°F 53°F 0.01 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

93.5

Normal: 66.0
Departure: + 27.5

Cooling Degree Days

53.5

Normal: 23.0
Departure: + 30.5

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.