Measurements:
°C
°F
Bayfield
10°F
NE 17 mph
Feels like: -6°F
Precip: 69%
World Resorts USA Bayfield Weather September Weather in Bayfield

Bayfield Weather: September

Average Day Temperature: 68.3°F
Average Night Temperature: 57.8°F
Sea Water Temperature: 64.3°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.7 - 13.3 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.8 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 81°F. The lowest night temperature was 47°F. The average values for day and night temperatures during September were 66.3°F и 57.0°F respectivly.

Bayfield Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Bayfield was 64.1°F. The maximum and minimum values were 60.4°F and 67.0°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 Bayfield is 0.8 in.

Wind Speed in September, mph

The average wind speed in September is 7.8 mph.

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 Bayfield in September is 7.8 hours.

Best Time to Visit Bayfield
The most sunny months:
September 15 days
August 13 days
October 12 days
The most warm months:
August 74.5 °F
July 73.4 °F
September 68.3 °F
Warmest sea temperature:
August 69.6 °F
July 66.4 °F
September 64.3 °F
The most cold months:
February 17.3 °F
January 17.8 °F
December 25.2 °F
The most rainy months:
April 3 days
August 2 days
June 2 days
The most windy months:
November 10 mph
December 9 mph
October 9 mph

Bayfield on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Bayfield
Local time: 01:21
05 dec, friday
0300 12°F
NE
12 mph
0600 14°F
NE
9 mph
0900 16°F
NE
7 mph
1200 20°F
NE
8 mph
1500 24°F
E
9 mph
1800 24°F
E
10 mph
2100 24°F
SE
12 mph
06 dec, saturday
0000 20°F
SE
12 mph