Measurements:
°C
°F
New Castle
60°F
N 5 mph
Feels like: 60°F
Precip: 0%
World Resorts USA New Castle Weather September Weather in New Castle

New Castle Weather: September

Average Day Temperature: 78.5°F
Average Night Temperature: 65.2°F
Sea Water Temperature: 77.4°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 89°F. The lowest night temperature was 53°F. The average values for day and night temperatures during September were 78.3°F и 64.4°F respectivly.

New Castle Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for New Castle was 76.3°F. The maximum and minimum values were 71.8°F and 81.0°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 New Castle is 1.2 in.

Wind Speed in September, mph

The average wind speed in September is 6.6 mph. It makes September one of the most windless months of the year for New Castle.

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 New Castle in September is 7.8 hours.

Best Time to Visit New Castle
The most sunny months:
November 17 days
September 15 days
October 15 days
The most warm months:
July 88.8 °F
August 86.1 °F
June 82.5 °F
Warmest sea temperature:
July 84.2 °F
August 83.4 °F
September 77.4 °F
The most cold months:
January 39.1 °F
February 42.1 °F
December 43.7 °F
The most rainy months:
July 4 days
August 4 days
November 3 days
The most windy months:
March 9 mph
April 8 mph
February 8 mph

New Castle on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
New Castle
Local time: 09:45
05 nov, tuesday
1200 62°F
NE
11 mph
1500 66°F
NE
13 mph
1800 66°F
N
9 mph
2100 64°F
N
11 mph
06 nov, wednesday
0000 62°F
N
12 mph
0300 62°F
NE
12 mph
0600 62°F
NE
11 mph
0900 62°F
NE
11 mph