Monthly Climate Summary

September 2015 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

67.3°F

Normal: 63.6°F
Departure: + 3.7°F

Total Precipitation

3.73 in

Normal: 3.73 in
Departure: + 2.08 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0 in

September 2015 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st mostly cloudy 86°F 64°F 0.00 in 0.0 in
2nd Sunny 85°F 62°F 0.00 in 0.0 in
3rd Thunderstorm 88°F 65°F 0.38 in 0.0 in
4th mostly cloudy 81°F 63°F 0.00 in 0.0 in
5th Sunny 82°F 59°F 0.00 in 0.0 in
6th Sunny 86°F 58°F 0.00 in 0.0 in
7th partly cloudy 89°F 64°F 0.00 in 0.0 in
8th mostly cloudy 91°F 68°F 0.00 in 0.0 in
9th Rain Shower 88°F 70°F 0.04 in 0.0 in
10th Rain 71°F 65°F 0.13 in 0.0 in
11th Rain Shower 78°F 63°F 0.16 in 0.0 in
12th Rain 75°F 57°F 1.06 in 0.0 in
13th Rain Shower 75°F 59°F 0.47 in 0.0 in
14th Rain Shower 69°F 54°F 0.02 in 0.0 in
15th Sunny 78°F 53°F 0.00 in 0.0 in
16th mostly cloudy 80°F 55°F 0.00 in 0.0 in
17th Sunny 83°F 57°F 0.00 in 0.0 in
18th Sunny 82°F 57°F 0.00 in 0.0 in
19th mostly cloudy 81°F 60°F 0.00 in 0.0 in
20th Rain Shower 71°F 53°F 0.11 in 0.0 in
21st mostly cloudy 65°F 45°F 0.00 in 0.0 in
22nd mostly cloudy 67°F 51°F 0.00 in 0.0 in
23rd Sunny 73°F 45°F 0.00 in 0.0 in
24th mostly cloudy 75°F 51°F 0.00 in 0.0 in
25th partly cloudy 71°F 48°F 0.00 in 0.0 in
26th partly cloudy 69°F 51°F 0.00 in 0.0 in
27th mostly cloudy 69°F 43°F 0.00 in 0.0 in
28th mostly cloudy 75°F 52°F 0.00 in 0.0 in
29th Rain 75°F 66°F 0.89 in 0.0 in
30th Rain 69°F 52°F 2.55 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

56.0

Normal: 66.0
Departure: -10.0

Cooling Degree Days

124.5

Normal: 23.0
Departure: + 101.5

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.