Monthly Climate Summary

September 2017 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

65.7°F

Normal: 63.6°F
Departure: + 2.1°F

Total Precipitation

2.55 in

Normal: 3.73 in
Departure: -1.18 in

Total Snowfall

0.0 in

Normal: 0.0 in
Departure: + 0.0 in

Warmest Day

89°F

September 25th

Coldest Day

41°F

September 2nd

Wettest Day

1.02 in

September 3rd

Snowiest Day

0.0 in

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September 2017 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Partly Cloudy 65°F 47°F 0.00 in 0.0 in
2nd Partly Cloudy 70°F 41°F 0.00 in 0.0 in
3rd Rain 59°F 51°F 1.02 in 0.0 in
4th Mostly Sunny 75°F 53°F 0.00 in 0.0 in
5th Thunderstorm 73°F 63°F 0.03 in 0.0 in
6th Rain 63°F 58°F 0.51 in 0.0 in
7th Thunderstorm 68°F 52°F 0.79 in 0.0 in
8th Rain Shower 65°F 50°F 0.02 in 0.0 in
9th Mostly Cloudy 67°F 49°F 0.00 in 0.0 in
10th Partly Cloudy 69°F 50°F 0.00 in 0.0 in
11th Mostly Sunny 72°F 47°F 0.00 in 0.0 in
12th Mostly Sunny 78°F 50°F 0.00 in 0.0 in
13th Partly Cloudy 76°F 53°F 0.00 in 0.0 in
14th Mostly Cloudy 78°F 67°F 0.00 in 0.0 in
15th Partly Cloudy 81°F 63°F 0.00 in 0.0 in
16th Sunny 83°F 65°F 0.00 in 0.0 in
17th Mostly Sunny 84°F 60°F 0.00 in 0.0 in
18th Partly Cloudy 83°F 62°F 0.00 in 0.0 in
19th Partly Cloudy 81°F 60°F 0.00 in 0.0 in
20th Mostly Cloudy 80°F 63°F 0.00 in 0.0 in
21st Mostly Cloudy 79°F 62°F 0.00 in 0.0 in
22nd Partly Cloudy 78°F 58°F 0.00 in 0.0 in
23rd Mostly Sunny 83°F 56°F 0.00 in 0.0 in
24th Sunny 87°F 61°F 0.00 in 0.0 in
25th Sunny 89°F 66°F 0.00 in 0.0 in
26th Partly Cloudy 88°F 65°F 0.00 in 0.0 in
27th Sunny 88°F 65°F 0.00 in 0.0 in
28th Partly Cloudy 76°F 54°F 0.00 in 0.0 in
29th Rain Shower 65°F 44°F 0.03 in 0.0 in
30th Rain 54°F 49°F 0.15 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

90.0

Normal: 66.0
Departure: + 24.0

Cooling Degree Days

110.5

Normal: 23.0
Departure: + 87.5

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

7

Days with
Snowfall

0

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

0.5 mph

Peak Wind Gust

20 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.