Monthly Climate Summary

September 2025 Summary

Snow Shower 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

63.5°F

Normal: 63.6°F
Departure: -0.1°F

Total Precipitation

3.73 in

Normal: 3.73 in
Departure: + 1.69 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0 in

September 2025 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st mostly cloudy 74°F 52°F 0.00 in 0.0 in
2nd Sunny 77°F 53°F 0.00 in 0.0 in
3rd partly cloudy 77°F 53°F 0.00 in 0.0 in
4th Rain Shower 78°F 56°F 0.04 in 0.0 in
5th Rain Shower 77°F 60°F 0.02 in 0.0 in
6th Rain Shower 71°F 60°F 0.29 in 0.0 in
7th Rain Shower 70°F 50°F 0.00 in 0.0 in
8th Sunny 69°F 44°F 0.00 in 0.0 in
9th Sunny 72°F 45°F 0.00 in 0.0 in
10th Sunny 73°F 46°F 0.00 in 0.0 in
11th Sunny 77°F 49°F 0.00 in 0.0 in
12th Sunny 76°F 53°F 0.00 in 0.0 in
13th mostly cloudy 76°F 51°F 0.00 in 0.0 in
14th partly cloudy 80°F 59°F 0.00 in 0.0 in
15th Sunny 78°F 56°F 0.00 in 0.0 in
16th mostly cloudy 76°F 51°F 0.00 in 0.0 in
17th partly cloudy 73°F 50°F 0.00 in 0.0 in
18th Sunny 79°F 50°F 0.00 in 0.0 in
19th Sunny 75°F 57°F 0.00 in 0.0 in
20th mostly cloudy 67°F 44°F 0.00 in 0.0 in
21st partly cloudy 69°F 38°F 0.00 in 0.0 in
22nd partly cloudy 72°F 50°F 0.00 in 0.0 in
23rd Rain 72°F 60°F 0.38 in 0.0 in
24th Rain 68°F 65°F 0.69 in 0.0 in
25th Rain 71°F 63°F 4.00 in 0.0 in
26th mostly cloudy 73°F 59°F 0.00 in 0.0 in
27th partly cloudy 73°F 55°F 0.00 in 0.0 in
28th mostly cloudy 81°F 59°F 0.00 in 0.0 in
29th partly cloudy 74°F 51°F 0.00 in 0.0 in
30th Sunny 72°F 52°F 0.00 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

68.5

Normal: 66.0
Departure: + 2.5

Cooling Degree Days

24.0

Normal: 23.0
Departure: + 1.0

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.