St John's Weather: September
Average Day Temperature: | 89.7°F | |
Average Night Temperature: | 86.4°F | |
Sea Water Temperature: | 88.4°F | |
Number of Sunny Days: | 4 days | |
Sunshine Hours: | 12.0 - 12.4 hours | |
Number of Rainy Days: | 5 days | |
Precipitation Totals: | 3.8 in | |
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forecast
St John's |
Temperature
St John's |
Air Temperature in September, °F
The highest day temperature in September 2024 was 90°F. The lowest night temperature was 86°F. The average values for day and night temperatures during September were 88.6°F и 87.2°F respectivly.
St John's Water Sea Temperature in September, °F
The average sea surface temperature in September 2024 for St John's was 90.3°F. The maximum and minimum values were 89.4°F and 91.6°F respectively.
Most of the days in September are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in September, in
Precipitation total in September for St John's is 3.8 in. It makes september one of the most rainy months of the year.
The average wind speed in September is 13.4 mph. It makes September the most windless month of the year for St John's.
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 St John's in September is 6.3 hours.
0600 | 86°F | W 19 mph |
0900 | 88°F | W 18 mph |
1200 | 88°F | W 17 mph |
1500 | 88°F | W 17 mph |
1800 | 86°F | W 17 mph |
2100 | 88°F | W 20 mph |
0000 | 86°F | W 21 mph |
0300 | 86°F | W 22 mph |