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Weather in New Westminster for September 2026

Your guide to New Westminster weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in New Westminster at the beginning of September is 23 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.7 °C by the end of September.

  • Rain 🌧️

  • 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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Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/11°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
79 %
Avg humidity

New Westminster Weather September

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Temperatures trend during September in New Westminster

See the weather trend as well as the moving average line

September weather in New Westminster day by day

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Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
23° /13° 0 mm 6
2 Sept. Sunny
Sunny
25° /14° 0 mm 6
3 Sept. Light rain shower
Light rain shower
22° /15° 0.5 mm 5
4 Sept. Overcast
Overcast
22° /14° 0 mm 6
5 Sept. Sunny
Sunny
25° /15° 0 mm 6
6 Sept. Partly cloudy
Partly cloudy
23° /14° 0 mm 6
7 Sept. Cloudy
Cloudy
21° /13° 6.8 mm 5
8 Sept. Mist
Mist
20° /12° 0 mm 5
9 Sept. Mist
Mist
20° /12° 0 mm 4
10 Sept. Overcast
Overcast
20° /12° 0 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
17° /12° 0.3 mm 4
12 Sept. Mist
Mist
16° /10° 0 mm 4
13 Sept. Mist
Mist
18° /12° 0.5 mm 4
14 Sept. Mist
Mist
19° /11° 2.2 mm 4
15 Sept. Partly cloudy
Partly cloudy
19° /10° 0.1 mm 5
16 Sept. Sunny
Sunny
23° /11° 0 mm 6
17 Sept. Overcast
Overcast
18° /12° 0 mm 4
18 Sept. Patchy rain possible
Patchy rain possible
17° /11° 0.4 mm 4
19 Sept. Overcast
Overcast
16° /11° 1.1 mm 4
20 Sept. Overcast
Overcast
18° /10° 1 mm 4
21 Sept. Overcast
Overcast
18° /9° 18.9 mm 4
22 Sept. Sunny
Sunny
18° /9° 5.4 mm 4
23 Sept. Light rain shower
Light rain shower
19° /11° 2.7 mm 5
24 Sept. Light drizzle
Light drizzle
20° /12° 3 mm 5
25 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
16° /11° 22.9 mm 4
26 Sept. Light rain shower
Light rain shower
13° /9° 18.2 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
15° /10° 14.3 mm 4
28 Sept. Overcast
Overcast
15° /9° 5.4 mm 3
29 Sept. Mist
Mist
14° /8° 39.5 mm 4
30 Sept. Mist
Mist
17° /7° 10.7 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 ☀️

Quick links

More New Westminster weather pages
Location coordinates 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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