Northside (Saint Thomas)
September
Weather in Northside for September 2025
Your guide to Northside weather in September - trends and predictions
In general, the average temperature in Northside at the beginning of September is 28.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 30 °C by the end of September.
Northside experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 203.8 mm.
Temperatures
Rain 🌧️
9
Dry days
21
Rainy days
0
Snow days
29°/28°
Temperatures
25 km/h
Avg max wind
78 %
Avg humidity
Northside in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 29° | 3 29° | 4 29° | 5 28° | 6 29° | 7 29° |
| 8 29° | 9  29° | 10 29° | 11  29° | 12 29° | 13 29° | 14 29° |
| 15 29° | 16  29° | 17  28° | 18  29° | 19  28° | 20  31° | 21 30° |
| 22 30° | 23 30° | 24  29° | 25 30° | 26 31° | 27 29° | 28 31° |
| 29  29° | 30 31° |
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Temperatures trend during September in Northside
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. | Light rain shower | 29° /28° | 1 mm | 6 | |
| 2 Sept. | Light rain shower | 29° /28° | 8.3 mm | 6 | |
| 3 Sept. | Light rain shower | 29° /28° | 3.2 mm | 6 | |
| 4 Sept. | Light rain shower | 29° /28° | 1.5 mm | 6 | |
| 5 Sept. | Light rain shower | 28° /28° | 2.5 mm | 6 | |
| 6 Sept. | Patchy rain possible | 29° /28° | 2 mm | 6 | |
| 7 Sept. | Light rain shower | 29° /28° | 8.5 mm | 6 | |
| 8 Sept. | Light rain shower | 29° /28° | 4 mm | 6 | |
| 9 Sept. | Moderate or heavy rain with thunder | 29° /28° | 21.4 mm | 6 | |
| 10 Sept. | Light rain shower | 29° /28° | 3.8 mm | 6 | |
| 11 Sept. | Patchy light drizzle | 29° /28° | 2.7 mm | 6 | |
| 12 Sept. | Light rain shower | 29° /28° | 1.1 mm | 6 | |
| 13 Sept. | Patchy rain possible | 29° /28° | 3.7 mm | 6 | |
| 14 Sept. | Light rain shower | 29° /28° | 4.2 mm | 6 | |
| 15 Sept. | Patchy rain possible | 29° /29° | 0.7 mm | 6 | |
| 16 Sept. | Partly cloudy | 29° /28° | 0 mm | 7 | |
| 17 Sept. | Overcast | 28° /27° | 0 mm | 6 | |
| 18 Sept. | Cloudy | 29° /27° | 0 mm | 6 | |
| 19 Sept. | Mist | 28° /27° | 0 mm | 6 | |
| 20 Sept. | Sunny | 31° /28° | 0 mm | 8 | |
| 21 Sept. | Sunny | 30° /28° | 0 mm | 8 | |
| 22 Sept. | Sunny | 30° /28° | 0 mm | 8 | |
| 23 Sept. | Moderate or heavy rain with thunder | 30° /27° | 64.6 mm | 7 | |
| 24 Sept. | Thundery outbreaks possible | 29° /28° | 0 mm | 6 | |
| 25 Sept. | Partly cloudy | 30° /28° | 0 mm | 8 | |
| 26 Sept. | Cloudy | 31° /28° | 37.8 mm | 7 | |
| 27 Sept. | Light rain shower | 29° /28° | 15.1 mm | 6 | |
| 28 Sept. | Thundery outbreaks possible | 31° /29° | 3.2 mm | 7 | |
| 29 Sept. | Moderate or heavy rain shower | 29° /28° | 6.5 mm | 6 | |
| 30 Sept. | Light rain shower | 31° /28° | 7.9 mm | 7 | |
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Important Notice
Our weather forecast for Northside 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 Northside forecast closer to your planned date for the most up-to-date weather information.
Northside in September - FAQ
What are the expected maximum and minimum temperatures in Northside during September?
During September, expect a variety of temperatures with highs around 29° and lows near 28°, suitable for diverse activities and preferences.
How much rainfall should be expected in Northside during September?
Significant rainfall exceeding 203.8 mm is expected in Northside during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Northside during September?
The average wind speed in Northside during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Northside
Explore the daily rainfall trends and prepare for Northsides September weather 💧
UV exposure in Northside during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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