New Westminster
September
Weather in New Westminster for September 2025
Your guide to New Westminster weather in September - trends and predictions
In general, the average temperature in New Westminster at the beginning of September is 22.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.4 °C by the end of September.
New Westminster experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 97 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
18°/11°
Temperatures
10 km/h
Avg max wind
79 %
Avg humidity
New Westminster in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  25° | 3  19° | 4  20° | 5 22° | 6 22° | 7  23° |
| 8  21° | 9 20° | 10 20° | 11 18° | 12 17° | 13 17° | 14 20° |
| 15 20° | 16 19° | 17 16° | 18 16° | 19 13° | 20 18° | 21 19° |
| 22 19° | 23 17° | 24  20° | 25  17° | 26 13° | 27 15° | 28 13° |
| 29 14° | 30 16° |
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Temperatures trend during September in New Westminster
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. | Partly cloudy | 25° /13° | 0 mm | 7 | |
| 2 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 3 Sept. | Light rain shower | 19° /13° | 0.8 mm | 4 | |
| 4 Sept. | Overcast | 20° /12° | 0 mm | 5 | |
| 5 Sept. | Overcast | 22° /13° | 0 mm | 6 | |
| 6 Sept. | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 7 Sept. | Cloudy | 23° /13° | 0 mm | 6 | |
| 8 Sept. | Mist | 21° /12° | 0 mm | 6 | |
| 9 Sept. | Mist | 20° /12° | 0.1 mm | 5 | |
| 10 Sept. | Overcast | 20° /12° | 0 mm | 5 | |
| 11 Sept. | Patchy rain possible | 18° /11° | 0.5 mm | 5 | |
| 12 Sept. | Mist | 17° /10° | 0 mm | 4 | |
| 13 Sept. | Mist | 17° /12° | 0.8 mm | 4 | |
| 14 Sept. | Mist | 20° /10° | 2.6 mm | 5 | |
| 15 Sept. | Partly cloudy | 20° /10° | 0.1 mm | 5 | |
| 16 Sept. | Overcast | 19° /9° | 0 mm | 5 | |
| 17 Sept. | Overcast | 16° /10° | 0 mm | 4 | |
| 18 Sept. | Patchy rain possible | 16° /11° | 0.6 mm | 4 | |
| 19 Sept. | Overcast | 13° /10° | 1.6 mm | 3 | |
| 20 Sept. | Patchy rain possible | 18° /9° | 0.2 mm | 4 | |
| 21 Sept. | Overcast | 19° /8° | 0 mm | 5 | |
| 22 Sept. | Sunny | 19° /9° | 8.1 mm | 5 | |
| 23 Sept. | Light rain shower | 17° /11° | 4.1 mm | 4 | |
| 24 Sept. | Light drizzle | 20° /11° | 4.6 mm | 5 | |
| 25 Sept. | Moderate or heavy rain with thunder | 17° /12° | 34.4 mm | 4 | |
| 26 Sept. | Light rain shower | 13° /10° | 24.3 mm | 3 | |
| 27 Sept. | Patchy rain possible | 15° /10° | 6.2 mm | 4 | |
| 28 Sept. | Light rain shower | 13° /8° | 8.1 mm | 3 | |
| 29 Sept. | Mist | 14° /6° | 0 mm | 4 | |
| 30 Sept. | Mist | 16° /5° | 0 mm | 4 | |
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Important Notice
Our weather forecast for New Westminster 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 New Westminster forecast closer to your planned date for the most up-to-date weather information.
New Westminster in September - FAQ
What are the expected maximum and minimum temperatures in New Westminster during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Westminster during September?
Moderate rainfall is anticipated in New Westminster during September, with a total of 97 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in New Westminster during September?
The average wind speed in New Westminster during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in New Westminster
Explore the daily rainfall trends and prepare for New Westminsters September weather 💧
UV exposure in New Westminster during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is New Westminster?Get accurate weather forecasts for New Westminster, located at latitude 49.207 and longitude -122.911. Stay updated with localized weather information tailored for New Westminster.
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