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Sea Temperature in New Castle in September
Complete information on the sea temperature range in the Atlantic Ocean in New Castle in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in New Castle. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in New Castle in September
14°C
MINIMUN
17.5°C
AVERAGE
21°C
MAXIMUM
Historical Data of Water Temperature in September in New Castle
Water Temperature Chart for Atlantic Ocean in New Castle in September
Sea Temperature Table in New Castle in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 19°C | 17°C | 18°C | 17.5°C |
| Sep 2 | 18°C | 16°C | 17°C | 17.0°C |
| Sep 3 | 19°C | 20°C | 16°C | 18.0°C |
| Sep 4 | 19°C | 20°C | 16°C | 18.0°C |
| Sep 5 | 18°C | 17°C | 16°C | 17.0°C |
| Sep 6 | 18°C | 20°C | 16°C | 17.5°C |
| Sep 7 | 18°C | 17°C | 16°C | 16.8°C |
| Sep 8 | 18°C | 20°C | 16°C | 17.3°C |
| Sep 9 | 17°C | 19°C | 20°C | 17.8°C |
| Sep 10 | 18°C | 16°C | 16°C | 16.3°C |
| Sep 11 | 18°C | 16°C | 16°C | 16.5°C |
| Sep 12 | 17°C | 20°C | 16°C | 17.3°C |
| Sep 13 | 17°C | 20°C | 16°C | 17.3°C |
| Sep 14 | 17°C | 17°C | 16°C | 16.5°C |
| Sep 15 | 18°C | 16°C | 16°C | 16.5°C |
| Sep 16 | 18°C | 20°C | 17°C | 18.0°C |
| Sep 17 | 18°C | 19°C | 17°C | 17.5°C |
| Sep 18 | 18°C | 16°C | 17°C | 17.0°C |
| Sep 19 | 19°C | 18°C | 17°C | 17.8°C |
| Sep 20 | 19°C | 19°C | 17°C | 18.0°C |
| Sep 21 | 19°C | 16°C | 17°C | 17.3°C |
| Sep 22 | 18°C | 17°C | 17°C | 17.3°C |
| Sep 23 | 18°C | 20°C | 16°C | 17.5°C |
| Sep 24 | 18°C | 19°C | 16°C | 17.3°C |
| Sep 25 | 19°C | 17°C | 16°C | 17.0°C |
| Sep 26 | 17°C | 17°C | 17°C | 16.8°C |
| Sep 27 | 17°C | 16°C | 17°C | 16.8°C |
| Sep 28 | 18°C | 16°C | 17°C | 17.0°C |
| Sep 29 | 18°C | 16°C | 17°C | 16.8°C |
New Castle Climate and Swimming Opportunities in September
22°C
Average Day Air Temperature
13°C
Average Night Air Temperature
92 mm
Precipitation Amount per Month
9 days
Number of Rainy Days
12 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
73%
Average
humidity
New Castle lies within the New Hampshire in United States. The average daytime temperature in New Castle in September is 72°F (22°C), while the nighttime average is 55°F (13°C). There are typically nine rainy days during the month, with a total precipitation of 3.6 inches (92 mm). The daylight duration in September in New Castle is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 9 mph (14 km/h), and the humidity level is around 73%.
The water temperature in New Castle in September ranges from 61°F to 64°F (16°C to 18°C). At the beginning of the month, the average temperature is around 64°F (18°C), shifting to 63°F (17°C) by mid-September and reaching 63°F (17°C) in the last ten days. Overall, the average sea temperature in New Castle for September is 63°F (17°C). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in New Castle
What is the sea temperature in New Castle in September?
The water temperature in the Atlantic Ocean in New Castle in September ranges from 61°F to 64°F (16°C to 18°C).
Is it possible to swim in the Atlantic Ocean in New Castle in September?
The average sea temperature in New Castle in September is 63°F (17°C), and the air temperature is 72°F (22°C), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.