Measurements:
°C
°F
Old Saybrook
50°F
N 4 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Old Saybrook Weather September Weather in Old Saybrook

Old Saybrook Weather: September

Average Day Temperature: 74.1°F
Average Night Temperature: 62.7°F
Sea Water Temperature: 71.9°F
Number of Sunny Days: 14 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day Temperature   
Night Temperature

The highest day temperature in September 2024 was 81°F. The lowest night temperature was 51°F. The average values for day and night temperatures during September were 72.5°F и 60.4°F respectivly.

Old Saybrook Water Sea Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
63
66
69
72
75
78
81
84

The average sea surface temperature in September 2024 for Old Saybrook was 70.0°F. The maximum and minimum values were 67.4°F and 73.2°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
48%
28%
24%

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.3
0.6
0.9
1.2
1.5
1.8
2.1

Precipitation total in September for Old Saybrook is 1.4 in.

Wind Speed in September, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.8
3.6
5.5
7.3
9.1
10.9
12.8

The average wind speed in September is 8.4 mph. It makes September one of the most windless months of the year for Old Saybrook.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.5

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Old Saybrook in September is 7.7 hours.

Best Time to Visit Old Saybrook
The most sunny months:
November 16 days
September 14 days
October 13 days
The most warm months:
July 83.1 °F
August 81.5 °F
June 75.5 °F
Warmest sea temperature:
August 74.3 °F
July 72.4 °F
September 71.9 °F
The most cold months:
January 35.2 °F
February 36.5 °F
December 40.9 °F
The most rainy months:
July 4 days
October 4 days
April 4 days
The most windy months:
January 11 mph
March 10 mph
November 10 mph

Old Saybrook on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +60
Hawaii +76
Honolulu +76
Houston +74
Las Vegas +50
Los Angeles +52
Miami +76
New York +54
Orlando +74
San Diego +58
San Francisco +50
Sarasota +72
Tampa +72
Washington +56
24 Hours Weather Forecast
Old Saybrook
Local time: 09:06
18 apr, friday
1200 60°F
N
8 mph
1500 60°F
N
15 mph
1800 54°F
N
17 mph
2100 50°F
N
16 mph
19 apr, saturday
0000 48°F
NE
11 mph
0300 48°F
NE
11 mph
0600 50°F
N
9 mph
0900 56°F
NE
13 mph