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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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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/12°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Ancaster in September average weather

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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
Partly cloudy
25° /12° 0.3 mm 6
2 Sept. Mist
Mist
23° /10° 0.2 mm 6
3 Sept. Overcast
Overcast
28° /13° 0.1 mm 7
4 Sept. Partly cloudy
Partly cloudy
30° /15° 0 mm 8
5 Sept. Mist
Mist
30° /16° 0 mm 8
6 Sept. Patchy rain possible
Patchy rain possible
29° /17° 11.6 mm 7
7 Sept. Light rain shower
Light rain shower
21° /13° 1.8 mm 5
8 Sept. Fog
Fog
22° /11° 0 mm 5
9 Sept. Overcast
Overcast
24° /12° 0 mm 5
10 Sept. Overcast
Overcast
23° /13° 0 mm 5
11 Sept. Patchy rain possible
Patchy rain possible
25° /14° 0.1 mm 6
12 Sept. Light rain shower
Light rain shower
26° /14° 3.7 mm 6
13 Sept. Cloudy
Cloudy
23° /12° 0 mm 6
14 Sept. Mist
Mist
23° /10° 0 mm 6
15 Sept. Cloudy
Cloudy
25° /12° 0 mm 6
16 Sept. Mist
Mist
26° /11° 0 mm 6
17 Sept. Light rain shower
Light rain shower
22° /13° 0.8 mm 5
18 Sept. Fog
Fog
23° /13° 0 mm 5
19 Sept. Mist
Mist
22° /11° 0 mm 5
20 Sept. Partly cloudy
Partly cloudy
23° /10° 0 mm 6
21 Sept. Mist
Mist
25° /13° 4.4 mm 6
22 Sept. Mist
Mist
23° /13° 0 mm 5
23 Sept. Overcast
Overcast
22° /13° 9.5 mm 5
24 Sept. Cloudy
Cloudy
21° /14° 0.8 mm 5
25 Sept. Cloudy
Cloudy
23° /14° 38.5 mm 5
26 Sept. Fog
Fog
22° /13° 0.9 mm 5
27 Sept. Overcast
Overcast
19° /11° 0 mm 4
28 Sept. Patchy light drizzle
Patchy light drizzle
20° /12° 0.4 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
20° /14° 0 mm 5
30 Sept. Fog
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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Location coordinates Where is Ancaster?

Get accurate weather forecasts for Ancaster, located at latitude 43.218 and longitude -79.987. Stay updated with localized weather information tailored for Ancaster.

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