World Resorts USA Newport Weather

Newport weather in September

Weather in Newport: September

Average day temperature: 63.5°F
Average night temperature: 54.5°F
Sea water temperature: 53.3°F
Number of sunny days: 13 days
Day length: 11.7 - 13.2 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 71°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during September were 62.0°F and 55.8°F.

Sea water temperature in Newport in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 57.7°F and 50.7°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 Newport in September is 0.5 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.8 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: 7.2.

Best time for vacation in Newport

Sunniest months:
July 14 days
August 14 days
September 13 days
Warmest months:
August 65.3 °F
July 64.1 °F
September 63.5 °F
Warmest sea temp:
October 54.2 °F
August 53.6 °F
September 53.3 °F
Coldest months:
February 47.5 °F
December 48.0 °F
January 48.3 °F
Rainiest months:
January 10 days
December 6 days
November 6 days
Windiest months:
January 10.7 mph
December 10.4 mph
February 9.3 mph

Newport on a weather map

Newport
+52°F
N 8 mph
Feels like: +50°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Newport
Local time: 21:29
December 05, friday
0000
54°F
N
6 mph
0300
54°F
NE
8 mph
0600
54°F
NE
10 mph
0900
54°F
NE
15 mph
1200
54°F
NE
15 mph
1500
54°F
NE
10 mph
1800
54°F
E
11 mph
2100
54°F
E
11 mph
Units of measurement: °C / °F