Saint John County
September
Weather in Saint John County for September 2024
Your guide to Saint John County weather in September - trends and predictions
Until now, September 2024 in Saint John County is slightly cooler than the historical average by -1 °C.
The forecast for the next days in Saint John County predicts temperatures to be around 17 °C, close to the historical average.
In general, the average temperature in Saint John County at the beginning of September is 20.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 17.7 °C by the end of September.
Saint John County 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 County 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 19° | 18  16° | 19 18° | 20 17° | 21  19° | 22 16° |
| 23 17° | 24 16° | 25  17° | 26 16° | 27 17° | 28 20° | 29 20° |
| 30 18° |
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Temperatures trend during September in Saint John County
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. | Overcast | 19° /12° | 4.9 mm | 5 | |
| 18 Sept. | Light drizzle | 16° /11° | 3.5 mm | 4 | |
| 19 Sept. | Mist | 18° /12° | 0 mm | 3 | |
| 20 Sept. | Overcast | 17° /15° | 0 mm | 4 | |
| 21 Sept. | Partly cloudy | 19° /12° | 0 mm | 5 | |
| 22 Sept. | Patchy rain possible | 16° /8° | 0.1 mm | 3 | |
| 23 Sept. | Sunny | 17° /5° | 0 mm | 1 | |
| 24 Sept. | Partly cloudy | 16° /9° | 0 mm | 4 | |
| 25 Sept. | Cloudy | 17° /11° | 0 mm | 3 | |
| 26 Sept. | Patchy rain possible | 16° /14° | 2 mm | 4 | |
| 27 Sept. | Heavy rain | 17° /15° | 21.3 mm | 4 | |
| 28 Sept. | Sunny | 20° /11° | 0 mm | 4 | |
| 29 Sept. | Sunny | 20° /10° | 0 mm | 4 | |
| 30 Sept. | Partly cloudy | 18° /10° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Saint John County 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 County forecast closer to your planned date for the most up-to-date weather information.
Saint John County in September - FAQ
What are the expected maximum and minimum temperatures in Saint John County 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 County during September?
Significant rainfall exceeding 151.1 mm is expected in Saint John County 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 County during September?
The average wind speed in Saint John County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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Where is Saint John County?Get accurate weather forecasts for Saint John County, located at latitude 45.271 and longitude -66.056. Stay updated with localized weather information tailored for Saint John County.
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