Saint John
September
Weather in Saint John for September 2024
Your guide to Saint John weather in September - trends and predictions
Until now, September 2024 in Saint John is slightly cooler than the historical average by -1 °C.
The forecast for the next days in Saint John predicts temperatures to be around 19 °C, close to the historical average.
In general, the average temperature in Saint John at the beginning of September is 20.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.3 °C by the end of September.
Saint John sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
19°/11°
Temperatures
15 km/h
Avg max wind
85 %
Avg humidity
Saint John in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | ||||||
| 2  20° | 3 19° | 4  20° | 5 23° | 6 22° | 7 20° | 8  18° |
| 9 17° | 10 19° | 11  18° | 12 19° | 13 19° | 14  19° | 15 19° |
| 16 20° | 17  22° | 18 16° | 19 19° | 20 20° | 21 19° | 22 16° |
| 23 17° | 24 17° | 25 18° | 26 19° | 27 19° | 28 19° | 29  23° |
| 30 20° |
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Temperatures trend during September in Saint John
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 19° /10° | 10.8 mm | 5 | |
| 2 Sept. | Overcast | 20° /11° | 0.8 mm | 5 | |
| 3 Sept. | Overcast | 19° /10° | 0 mm | 5 | |
| 4 Sept. | Fog | 20° /11° | 0 mm | 5 | |
| 5 Sept. | Fog | 23° /13° | 0 mm | 6 | |
| 6 Sept. | Overcast | 22° /12° | 0 mm | 5 | |
| 7 Sept. | Mist | 20° /14° | 0.6 mm | 5 | |
| 8 Sept. | Light rain shower | 18° /11° | 4.3 mm | 5 | |
| 9 Sept. | Fog | 17° /10° | 3.5 mm | 5 | |
| 10 Sept. | Light rain shower | 19° /11° | 7.2 mm | 4 | |
| 11 Sept. | Moderate or heavy rain shower | 18° /10° | 12.1 mm | 5 | |
| 12 Sept. | Fog | 19° /12° | 0 mm | 5 | |
| 13 Sept. | Fog | 19° /12° | 3.3 mm | 5 | |
| 14 Sept. | Heavy rain | 19° /12° | 5.4 mm | 5 | |
| 15 Sept. | Overcast | 19° /8° | 0 mm | 5 | |
| 16 Sept. | Light rain shower | 20° /12° | 33.8 mm | 5 | |
| 17 Sept. | Partly cloudy | 22° /13° | 0 mm | 5 | |
| 18 Sept. | Fog | 16° /12° | 0 mm | 5 | |
| 19 Sept. | Fog | 19° /12° | 0 mm | 3 | |
| 20 Sept. | Overcast | 20° /13° | 0 mm | 5 | |
| 21 Sept. | Sunny | 19° /9° | 0 mm | 1 | |
| 22 Sept. | Patchy rain possible | 16° /8° | 0.1 mm | 3 | |
| 23 Sept. | Sunny | 17° /7° | 0 mm | 4 | |
| 24 Sept. | Sunny | 17° /7° | 0 mm | 4 | |
| 25 Sept. | Sunny | 18° /8° | 0 mm | 4 | |
| 26 Sept. | Sunny | 19° /8° | 0 mm | 4 | |
| 27 Sept. | Sunny | 19° /9° | 0 mm | 4 | |
| 28 Sept. | Sunny | 19° /9° | 0 mm | 4 | |
| 29 Sept. | Cloudy | 23° /13° | 0 mm | 4 | |
| 30 Sept. | Partly cloudy | 20° /11° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Saint John in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint John forecast closer to your planned date for the most up-to-date weather information.
Saint John in September - FAQ
What are the expected maximum and minimum temperatures in Saint John during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint John during September?
Significant rainfall exceeding 151.1 mm is expected in Saint John during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint John during September?
The average wind speed in Saint John during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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