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 experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 50.6 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
23°/14°
Temperatures
15 km/h
Avg max wind
70 %
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 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Richmond Hill during September?
Moderate rainfall is anticipated in Richmond Hill during September, with a total of 50.6 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
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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