Chilliwack
September
Weather in Chilliwack for September 2027
Your guide to Chilliwack weather in September - trends and predictions
In general, the average temperature in Chilliwack at the beginning of September is 24.2 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.4 °C by the end of September.
Chilliwack experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 123.4 mm.
Is September a good time to visit Chilliwack? check out the best time to travel to Chilliwack page.
✨ Is September a good time to visit Chilliwack? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
20°/10°
Temperatures
8 km/h
Avg max wind
76 %
Avg humidity
Chilliwack Weather September
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Temperatures trend during September in Chilliwack
See the weather trend as well as the moving average line
September weather in Chilliwack day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 25° /12° | 0 mm | 6 | |
| 2 Sept. | Patchy rain possible | 25° /13° | 2.4 mm | 6 | |
| 3 Sept. | Patchy rain possible | 23° /13° | 0.8 mm | 5 | |
| 4 Sept. | Sunny | 25° /13° | 0.3 mm | 5 | |
| 5 Sept. | Patchy rain possible | 26° /13° | 2.4 mm | 5.9 | |
| 6 Sept. | Sunny | 25° /12° | 0 mm | 5.8 | |
| 7 Sept. | Light rain | 22° /11° | 6.6 mm | 5.7 | |
| 8 Sept. | Sunny | 23° /11° | 0 mm | 5 | |
| 9 Sept. | Partly cloudy | 22° /11° | 0 mm | 5 | |
| 10 Sept. | Partly cloudy | 21° /11° | 0 mm | 5 | |
| 11 Sept. | Fog | 18° /9° | 0.3 mm | 3 | |
| 12 Sept. | Mist | 20° /9° | 0.5 mm | 4 | |
| 13 Sept. | Fog | 16° /8° | 0.9 mm | 3 | |
| 14 Sept. | Light rain | 18° /10° | 2.6 mm | 4 | |
| 15 Sept. | Patchy rain possible | 20° /10° | 0.2 mm | 4 | |
| 16 Sept. | Sunny | 24° /10° | 0 mm | 4.9 | |
| 17 Sept. | Overcast | 21° /10° | 0 mm | 4.8 | |
| 18 Sept. | Light drizzle | 18° /11° | 0.5 mm | 4 | |
| 19 Sept. | Overcast | 18° /9° | 0.9 mm | 4 | |
| 20 Sept. | Mist | 18° /9° | 0.5 mm | 3 | |
| 21 Sept. | Light rain | 19° /9° | 7.9 mm | 4 | |
| 22 Sept. | Light rain | 18° /8° | 3.2 mm | 4 | |
| 23 Sept. | Light rain | 17° /9° | 3.9 mm | 4 | |
| 24 Sept. | Light rain | 20° /10° | 2.5 mm | 4 | |
| 25 Sept. | Moderate or heavy rain with thunder | 14° /10° | 28.9 mm | 3 | |
| 26 Sept. | Moderate rain | 13° /7° | 13.4 mm | 3 | |
| 27 Sept. | Light rain | 15° /9° | 8.3 mm | 3 | |
| 28 Sept. | Light rain | 15° /9° | 4 mm | 3 | |
| 29 Sept. | Heavy rain | 14° /9° | 31.2 mm | 3 | |
| 30 Sept. | Patchy rain possible | 17° /8° | 1 mm | 3.7 | |
| Next | |||||
Important Notice
Our weather forecast for Chilliwack 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 Chilliwack forecast closer to your planned date for the most up-to-date weather information.
Change Month
Chilliwack in September - FAQ
What are the expected maximum and minimum temperatures in Chilliwack during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chilliwack during September?
Significant rainfall exceeding 123.4 mm is expected in Chilliwack during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chilliwack during September?
The average wind speed in Chilliwack during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Chilliwack
Explore the daily rainfall trends and prepare for Chilliwacks September weather 💧
Typically, Chilliwack has 9 rainy days in September with a total of 123.4 mm of rainfall.
UV exposure in Chilliwack during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Get accurate weather forecasts for Chilliwack, located at latitude 49.166 and longitude -121.953. Stay updated with localized weather information tailored for Chilliwack.
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