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Hourly Forecast
Daylight Hours
07:13
Sunrise
19:21
Sunset
Moon
Waxing Crescent
12:26
Moonrise
22:02
Moonset
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Weather in Port Saint John today, September 16, 2026
Expect a muted, overcast feel in Port Saint John on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
The temperature range runs from about 25°C up to 30°C. Relative humidity sits between 77% and 86%, reaching its peak around 20:00. Winds stay light, near 7.5 km/h by 15:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 100% around 15:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.6 km, briefly nearer 10.2 km. Sunrise is at 07:13 and sunset at 19:21, giving 12 hours 7 minutes of sunlight today.
Overall, Port Saint John on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 30°C.
Frequently asked questions about weather in Port Saint John
How warm does it get in Port Saint John?
The warmest month in Port Saint John is July, with average high temperatures of 30°C. The average temperature during this period is around 28°C.
How cold does it get in Port Saint John?
The coldest month in Port Saint John is January, with average low temperatures of 14°C. The average temperature during this period is around 17°C.
What is the wettest time of year in Port Saint John?
The wettest month in Port Saint John is September, with an average of 216mm of precipitation.
What is the driest time of year in Port Saint John?
The driest month in Port Saint John is March, with an average of 40mm of precipitation.
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