World Resorts USA New Castle Weather

New Castle weather in September

Weather in New Castle: September

Average day temperature: 75.6°F
Average night temperature: 63.6°F
Sea water temperature: 74.7°F
Number of sunny days: 15 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 85°F. At the same time the lowest night temperature was 52°F. Day and night temperature averages during September were 75.5°F and 62.9°F.

Sea water temperature in New Castle in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 73.7°F. The highest and lowest sea temperatures during the month were 77.9°F and 69.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in New Castle in September is 1.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.6 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.8.

Best time for vacation in New Castle

Sunniest months:
November 17 days
September 15 days
October 15 days
Warmest months:
July 85.0 °F
August 82.5 °F
June 79.3 °F
Warmest sea temp:
July 80.7 °F
August 80.0 °F
September 74.7 °F
Coldest months:
January 40.2 °F
February 42.9 °F
December 44.4 °F
Rainiest months:
July 4 days
August 4 days
November 3 days
Windiest months:
March 8.9 mph
April 8.6 mph
February 8.2 mph

New Castle on a weather map

New Castle
+41°F
W 4 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+39°F
+43°F
+75°F
+75°F
+54°F
+64°F
+77°F
+70°F
+41°F
+61°F
+55°F
+73°F
+75°F
+70°F
+48°F
24 Hours Forecast
New Castle
Local time: 01:31
November 14, thursday
0300
39°F
SW
4 mph
0600
39°F
SW
6 mph
0900
41°F
W
8 mph
1200
45°F
W
8 mph
1500
50°F
W
8 mph
1800
48°F
W
10 mph
2100
46°F
W
10 mph
November 15, friday
0000
45°F
SW
7 mph
Units of measurement: °C / °F