Monthly Climate Summary

September 2019 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

62.8°F

Normal: 63.6°F
Departure: -0.7°F

Total Precipitation

2.03 in

Normal: 3.73 in
Departure: -1.70 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0.0 in

Warmest Day

85°F

September 11th

Coldest Day

39°F

September 19th

Wettest Day

0.80 in

September 2nd

Snowiest Day

0.0 in

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September 2019 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Mostly Cloudy 72°F 51°F 0.00 in 0.0 in
2nd Rain 74°F 62°F 0.80 in 0.0 in
3rd Partly Cloudy 75°F 56°F 0.00 in 0.0 in
4th Thunderstorm 75°F 61°F 0.72 in 0.0 in
5th Mostly Cloudy 69°F 65°F 0.00 in 0.0 in
6th Mostly Cloudy 72°F 51°F 0.00 in 0.0 in
7th Mostly Cloudy 71°F 52°F 0.00 in 0.0 in
8th Partly Cloudy 71°F 53°F 0.00 in 0.0 in
9th Mostly Cloudy 70°F 48°F 0.00 in 0.0 in
10th Mostly Cloudy 74°F 51°F 0.00 in 0.0 in
11th Rain Shower 85°F 67°F 0.00 in 0.0 in
12th Rain 69°F 51°F 0.01 in 0.0 in
13th Partly Cloudy 71°F 45°F 0.00 in 0.0 in
14th Overcast 68°F 58°F 0.00 in 0.0 in
15th Rain Shower 75°F 55°F 0.05 in 0.0 in
16th Mostly Sunny 70°F 54°F 0.00 in 0.0 in
17th Sunny 71°F 47°F 0.00 in 0.0 in
18th Sunny 68°F 46°F 0.00 in 0.0 in
19th Sunny 70°F 39°F 0.00 in 0.0 in
20th Mostly Sunny 75°F 57°F 0.00 in 0.0 in
21st Mostly Sunny 79°F 50°F 0.00 in 0.0 in
22nd Partly Cloudy 82°F 51°F 0.00 in 0.0 in
23rd Rain Shower 83°F 65°F 0.22 in 0.0 in
24th Rain Shower 69°F 57°F 0.00 in 0.0 in
25th Mostly Sunny 72°F 50°F 0.00 in 0.0 in
26th Rain Shower 67°F 53°F 0.18 in 0.0 in
27th Mostly Sunny 69°F 46°F 0.00 in 0.0 in
28th Rain Shower 78°F 53°F 0.03 in 0.0 in
29th Partly Cloudy 68°F 50°F 0.00 in 0.0 in
30th Rain Shower 66°F 49°F 0.02 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

96.0

Normal: 66.0
Departure: + 30.0

Cooling Degree Days

31.5

Normal: 23.0
Departure: + 8.5

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

8

Days with
Snowfall

0

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

0.5 mph

Peak Wind Gust

24 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.