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Hourly Forecast
Daylight Hours
05:59
Sunrise
18:00
Sunset
Moon
Waxing Gibbous
14:05
Moonrise
00:26
Moonset
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View stargazing scoreWeather in Saint John’s today, September 20, 2026
Rain features in Saint John’s on September 20, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Early hours look the most unsettled, with rain probability near 58% by 10:00. The thickest cloud arrives around 11:00, reaching about 32%.
Temperatures climb from an overnight low near 26°C toward a daytime high of about 29°C. Relative humidity sits between 69% and 76%, reaching its peak around 23:00. Airflow remains manageable, reaching about 3.7 km/h around 14:00.
Afternoon showers stay in play, peaking near 24% around 12:00. Skies remain cluttered, with cover about 45% by 14:00. Visibility stays near 16.1 km. Expect sunrise at 05:59, sunset at 18:00, and 12 hours 0 minutes of sunlight today overall.
The practical takeaway for Saint John’s on September 20, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 29°C.
Frequently asked questions about weather in Saint John’s
How warm does it get in Saint John’s?
The warmest month in Saint John’s is September, with average high temperatures of 28°C. The average temperature during this period is around 28°C.
How cold does it get in Saint John’s?
The coldest month in Saint John’s is February, with average low temperatures of 24°C. The average temperature during this period is around 25°C.
What is the wettest time of year in Saint John’s?
The wettest month in Saint John’s is September, with an average of 134mm of precipitation.
What is the driest time of year in Saint John’s?
The driest month in Saint John’s is March, with an average of 33mm of precipitation.
