Measurements:
°C
°F
Bar Harbor
42°F
SW 11 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Bar Harbor Weather September Weather in Bar Harbor

Bar Harbor Weather: September

Average Day Temperature: 67.5°F
Average Night Temperature: 56.8°F
Sea Water Temperature: 59.4°F
Number of Sunny Days: 13 days
Sunshine Hours: 11.8 - 13.2 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.4 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 76°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 67.3°F и 55.9°F respectivly.

Bar Harbor Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Bar Harbor was 58.6°F. The maximum and minimum values were 56.4°F and 60.6°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in September, in

Precipitation total in September for Bar Harbor is 1.4 in.

Wind Speed in September, mph

The average wind speed in September is 7.2 mph. It makes September one of the most windless months of the year for Bar Harbor.

Average Sunny Hours Per Day

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 Bar Harbor in September is 7.2 hours.

Best Time to Visit Bar Harbor
The most sunny months:
September 13 days
November 13 days
October 12 days
The most warm months:
July 74.7 °F
August 74.0 °F
June 68.0 °F
Warmest sea temperature:
August 62.8 °F
July 60.7 °F
September 59.4 °F
The most cold months:
January 27.5 °F
February 28.0 °F
December 34.9 °F
The most rainy months:
December 4 days
November 3 days
March 3 days
The most windy months:
March 11 mph
December 11 mph
February 11 mph

Bar Harbor on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +60
Los Angeles +74
Maui +74
Miami +86
New York +48
San Diego +72
San Francisco +58
Sarasota +76
Tampa +76
Washington +52
24 Hours Weather Forecast
Bar Harbor
Local time: 16:24
21 nov, thursday
1800 42°F
SW
13 mph
2100 42°F
SW
16 mph
22 nov, friday
0000 40°F
SW
15 mph
0300 40°F
SW
16 mph
0600 42°F
W
20 mph
0900 44°F
W
20 mph
1200 44°F
NW
8 mph
1500 44°F
SW
1 mph