Monthly Climate Summary

September 2011 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

63.7°F

Normal: 63.6°F
Departure: + 0.1°F

Total Precipitation

7.72 in

Normal: 3.73 in
Departure: + 3.99 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0.0 in

Warmest Day

80°F

September 3rd

Coldest Day

39°F

September 17th

Wettest Day

1.59 in

September 7th

Snowiest Day

0.0 in

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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 Sunny 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 Sunny 66°F 40°F 0.00 in 0.0 in
19th Mostly Sunny 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 Sunny 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
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

93.5

Normal: 66.0
Departure: + 27.5

Cooling Degree Days

53.5

Normal: 23.0
Departure: + 30.5

Climate Activity Summary

Key temperature and precipitation patterns for the month

Days at or
Above 90°F

0

Days Above Freezing

30

Days That Stayed Below Freezing

0

Freezing Nights (Low Below 32°F)

0

Days with Precipitation

15

Days with
Snowfall

0

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

0.2 mph

Peak Wind Gust

27 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.