Richmond Hill
September
Weather in Richmond Hill for September 2025
Your guide to Richmond Hill weather in September - trends and predictions
In general, the average temperature in Richmond Hill at the beginning of September is 26.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of September.
Richmond Hill sees moderate rainfall in September, averaging 6 rainy days.
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24
Dry days
6
Rainy days
0
Snow days
24°/13°
Temperatures
15 km/h
Avg max wind
67 %
Avg humidity
Richmond Hill in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  23° | 3  29° | 4  30° | 5 30° | 6 29° | 7  20° |
| 8  21° | 9 22° | 10 23° | 11 24° | 12 25° | 13 22° | 14 23° |
| 15 25° | 16 26° | 17 23° | 18 23° | 19 23° | 20 23° | 21 24° |
| 22 23° | 23 21° | 24  21° | 25 23° | 26 22° | 27 19° | 28 18° |
| 29 20° | 30 20° |
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Temperatures trend during September in Richmond Hill
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 | 24° /13° | 0.1 mm | 6 | |
| 2 Sept. | Mist | 23° /12° | 0.6 mm | 6 | |
| 3 Sept. | Thundery outbreaks possible | 29° /14° | 0 mm | 7 | |
| 4 Sept. | Cloudy | 30° /17° | 0 mm | 7 | |
| 5 Sept. | Partly cloudy | 30° /18° | 0 mm | 8 | |
| 6 Sept. | Thundery outbreaks possible | 29° /19° | 5.7 mm | 6 | |
| 7 Sept. | Light rain shower | 20° /13° | 5.1 mm | 5 | |
| 8 Sept. | Overcast | 21° /9° | 0 mm | 5 | |
| 9 Sept. | Overcast | 22° /11° | 1.7 mm | 5 | |
| 10 Sept. | Overcast | 23° /13° | 0 mm | 6 | |
| 11 Sept. | Overcast | 24° /14° | 0.2 mm | 5 | |
| 12 Sept. | Light rain shower | 25° /14° | 1.5 mm | 6 | |
| 13 Sept. | Overcast | 22° /13° | 0 mm | 6 | |
| 14 Sept. | Cloudy | 23° /13° | 0 mm | 6 | |
| 15 Sept. | Mist | 25° /12° | 0 mm | 6 | |
| 16 Sept. | Overcast | 26° /14° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /14° | 1 mm | 5 | |
| 18 Sept. | Mist | 23° /12° | 0 mm | 6 | |
| 19 Sept. | Partly cloudy | 23° /10° | 0 mm | 6 | |
| 20 Sept. | Partly cloudy | 23° /9° | 0 mm | 6 | |
| 21 Sept. | Mist | 24° /15° | 0 mm | 5 | |
| 22 Sept. | Mist | 23° /14° | 4.3 mm | 5 | |
| 23 Sept. | Mist | 21° /14° | 12 mm | 5 | |
| 24 Sept. | Sunny | 21° /13° | 0 mm | 5 | |
| 25 Sept. | Overcast | 23° /14° | 18.4 mm | 5 | |
| 26 Sept. | Overcast | 22° /13° | 0 mm | 6 | |
| 27 Sept. | Overcast | 19° /10° | 0 mm | 5 | |
| 28 Sept. | Patchy rain possible | 18° /13° | 0 mm | 4 | |
| 29 Sept. | Mist | 20° /15° | 0 mm | 5 | |
| 30 Sept. | Mist | 20° /13° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Richmond Hill 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 Richmond Hill forecast closer to your planned date for the most up-to-date weather information.
Richmond Hill in September - FAQ
What are the expected maximum and minimum temperatures in Richmond Hill during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Richmond Hill during September?
Expect minimal rainfall in Richmond Hill during September, with a total of 14.7 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Richmond Hill during September?
The average wind speed in Richmond Hill during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Richmond Hill
Explore the daily rainfall trends and prepare for Richmond Hills September weather 💧
UV exposure in Richmond Hill during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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