Monthly Climate Summary

September 2005 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

64.4°F

Normal: 63.6°F
Departure: + 0.8°F

Total Precipitation

1.71 in

Normal: 3.73 in
Departure: -2.02 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0.0 in

Warmest Day

90°F

September 13th

Coldest Day

38°F

September 30th

Wettest Day

0.86 in

September 26th

Snowiest Day

0.0 in

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September 2005 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Partly Cloudy 77°F 58°F 0.00 in 0.0 in
2nd Partly Cloudy 84°F 54°F 0.00 in 0.0 in
3rd Partly Cloudy 78°F 59°F 0.00 in 0.0 in
4th Partly Cloudy 75°F 56°F 0.00 in 0.0 in
5th Sunny 77°F 49°F 0.00 in 0.0 in
6th Sunny 74°F 57°F 0.00 in 0.0 in
7th Sunny 84°F 50°F 0.00 in 0.0 in
8th Partly Cloudy 84°F 51°F 0.00 in 0.0 in
9th Partly Cloudy 77°F 55°F 0.00 in 0.0 in
10th Partly Cloudy 73°F 47°F 0.00 in 0.0 in
11th Mostly Sunny 76°F 42°F 0.00 in 0.0 in
12th Mostly Sunny 86°F 46°F 0.00 in 0.0 in
13th Haze 90°F 59°F 0.00 in 0.0 in
14th Thunderstorm 89°F 57°F 0.23 in 0.0 in
15th Thunderstorm 78°F 65°F 0.11 in 0.0 in
16th Rain Shower 71°F 64°F 0.20 in 0.0 in
17th Mostly Cloudy 76°F 61°F 0.00 in 0.0 in
18th Mostly Sunny 74°F 56°F 0.00 in 0.0 in
19th Mostly Sunny 81°F 51°F 0.00 in 0.0 in
20th Rain Shower 75°F 58°F 0.06 in 0.0 in
21st Sunny 81°F 56°F 0.00 in 0.0 in
22nd Sunny 85°F 49°F 0.00 in 0.0 in
23rd Partly Cloudy 79°F 52°F 0.00 in 0.0 in
24th Sunny 70°F 43°F 0.00 in 0.0 in
25th Partly Cloudy 66°F 43°F 0.00 in 0.0 in
26th Rain 66°F 61°F 0.86 in 0.0 in
27th Mostly Sunny 67°F 48°F 0.00 in 0.0 in
28th Sunny 73°F 41°F 0.00 in 0.0 in
29th Rain Shower 66°F 42°F 0.25 in 0.0 in
30th Mostly Sunny 62°F 38°F 0.00 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

75.0

Normal: 66.0
Departure: + 9.0

Cooling Degree Days

56.0

Normal: 23.0
Departure: + 33.0

Climate Activity Summary

Key temperature and precipitation patterns for the month

Days at or
Above 90°F

1

Days Above Freezing

30

Days That Stayed Below Freezing

0

Freezing Nights (Low Below 32°F)

0

Days with Precipitation

6

Days with
Snowfall

0

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

1.3 mph

Peak Wind Gust

31 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.