Ancaster
September
Weather in Ancaster for September 2025
Your guide to Ancaster weather in September - trends and predictions
In general, the average temperature in Ancaster at the beginning of September is 26.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.9 °C by the end of September.
Ancaster sees moderate rainfall in September, averaging 7 rainy days.
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23
Dry days
7
Rainy days
0
Snow days
24°/12°
Temperatures
17 km/h
Avg max wind
72 %
Avg humidity
Ancaster in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  23° | 3  28° | 4 30° | 5 30° | 6  29° | 7 21° |
| 8 22° | 9 24° | 10 23° | 11 25° | 12 26° | 13  23° | 14 23° |
| 15 25° | 16 26° | 17 22° | 18 23° | 19 22° | 20 23° | 21 25° |
| 22 23° | 23 22° | 24 21° | 25 23° | 26 22° | 27 19° | 28  20° |
| 29 20° | 30 21° |
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Temperatures trend during September in Ancaster
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° /12° | 0.3 mm | 6 | |
| 2 Sept. | Mist | 23° /10° | 0.2 mm | 6 | |
| 3 Sept. | Overcast | 28° /13° | 0.1 mm | 7 | |
| 4 Sept. | Partly cloudy | 30° /15° | 0 mm | 8 | |
| 5 Sept. | Mist | 30° /16° | 0 mm | 8 | |
| 6 Sept. | Patchy rain possible | 29° /17° | 11.6 mm | 7 | |
| 7 Sept. | Light rain shower | 21° /13° | 1.8 mm | 5 | |
| 8 Sept. | Fog | 22° /11° | 0 mm | 5 | |
| 9 Sept. | Overcast | 24° /12° | 0 mm | 5 | |
| 10 Sept. | Overcast | 23° /13° | 0 mm | 5 | |
| 11 Sept. | Patchy rain possible | 25° /14° | 0.1 mm | 6 | |
| 12 Sept. | Light rain shower | 26° /14° | 3.7 mm | 6 | |
| 13 Sept. | Cloudy | 23° /12° | 0 mm | 6 | |
| 14 Sept. | Mist | 23° /10° | 0 mm | 6 | |
| 15 Sept. | Cloudy | 25° /12° | 0 mm | 6 | |
| 16 Sept. | Mist | 26° /11° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 22° /13° | 0.8 mm | 5 | |
| 18 Sept. | Fog | 23° /13° | 0 mm | 5 | |
| 19 Sept. | Mist | 22° /11° | 0 mm | 5 | |
| 20 Sept. | Partly cloudy | 23° /10° | 0 mm | 6 | |
| 21 Sept. | Mist | 25° /13° | 4.4 mm | 6 | |
| 22 Sept. | Mist | 23° /13° | 0 mm | 5 | |
| 23 Sept. | Overcast | 22° /13° | 9.5 mm | 5 | |
| 24 Sept. | Cloudy | 21° /14° | 0.8 mm | 5 | |
| 25 Sept. | Cloudy | 23° /14° | 38.5 mm | 5 | |
| 26 Sept. | Fog | 22° /13° | 0.9 mm | 5 | |
| 27 Sept. | Overcast | 19° /11° | 0 mm | 4 | |
| 28 Sept. | Patchy light drizzle | 20° /12° | 0.4 mm | 5 | |
| 29 Sept. | Patchy rain possible | 20° /14° | 0 mm | 5 | |
| 30 Sept. | Fog | 21° /14° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Ancaster 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 Ancaster forecast closer to your planned date for the most up-to-date weather information.
Ancaster in September - FAQ
What are the expected maximum and minimum temperatures in Ancaster during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ancaster during September?
Expect minimal rainfall in Ancaster during September, with a total of 15.5 mm over approximately 7 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Ancaster during September?
The average wind speed in Ancaster during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Ancaster
Explore the daily rainfall trends and prepare for Ancasters September weather 💧
UV exposure in Ancaster during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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