Current sea water temperature:
+61.5°F
| Minimum sea water temperature in September: | 67.8°F |
| Maximum sea water temperature in September: | 56.3°F |
| Average sea water temperature in September: | 61.7°F |
| more information | |
14 days
forecast
forecast
| Brunswick |
monthly
weather
weather
| Brunswick |
Sea water temperature for the last 10 days:
| September 19 | 61.5°F | September 14 | 61.7°F |
| September 18 | 60.6°F | September 13 | 61.2°F |
| September 17 | 59.9°F | September 12 | 61.9°F |
| September 16 | 59.5°F | September 11 | 61.9°F |
| September 15 | 61.0°F | September 10 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Brunswick?
Based on the data about daily sea water temperature for the last three years the warmest sea in Brunswick was noticed in August, July and September.
Monthly Sea Temperatures in Brunswick, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 65.4°F. The highest and lowest sea temperatures during the month were 70.0°F and 62.6°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 63.8°F. The highest and lowest sea temperatures during the month were 67.6°F and 59.5°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 62.2°F. The highest and lowest sea temperatures during the month were 64.0°F and 59.5°F.
current
weather
weather
| Brunswick |
weather in
September
September
| Brunswick |
Best time for vacation in Brunswick
Brunswick on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Brunswick
Local time: 05:21
September 19, saturday
0600

43°F
SE
4 mph
4 mph
0900

52°F
S
6 mph
6 mph
1200

61°F
S
6 mph
6 mph
1500

64°F
S
5 mph
5 mph
1800

55°F
N
8 mph
8 mph
2100

48°F
NE
4 mph
4 mph
September 20, sunday
0000

46°F
NE
4 mph
4 mph
0300

45°F
NE
3 mph
3 mph



























