Newmarket
September
Weather in Newmarket for September 2025
Your guide to Newmarket weather in September - trends and predictions
In general, the average temperature in Newmarket at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of September.
Newmarket experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 51.3 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
23°/12°
Temperatures
16 km/h
Avg max wind
73 %
Avg humidity
Newmarket in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 21° | 3  28° | 4  30° | 5 30° | 6 29° | 7  20° |
| 8  21° | 9 22° | 10 23° | 11 25° | 12  24° | 13  22° | 14 23° |
| 15 24° | 16 25° | 17 23° | 18 22° | 19 22° | 20 23° | 21 25° |
| 22 23° | 23 21° | 24 21° | 25 23° | 26 21° | 27 18° | 28 19° |
| 29 20° | 30 21° |
You can click on date
Access Newmarket weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Newmarket
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Mist | 24° /10° | 0 mm | 6 | |
| 2 Sept. | Mist | 21° /10° | 0.3 mm | 6 | |
| 3 Sept. | Thundery outbreaks possible | 28° /12° | 0.8 mm | 7 | |
| 4 Sept. | Partly cloudy | 30° /15° | 0 mm | 8 | |
| 5 Sept. | Partly cloudy | 30° /16° | 0 mm | 8 | |
| 6 Sept. | Thundery outbreaks possible | 29° /18° | 7 mm | 6 | |
| 7 Sept. | Light rain shower | 20° /11° | 6 mm | 5 | |
| 8 Sept. | Overcast | 21° /7° | 0.1 mm | 5 | |
| 9 Sept. | Mist | 22° /9° | 2.4 mm | 5 | |
| 10 Sept. | Mist | 23° /12° | 0 mm | 6 | |
| 11 Sept. | Patchy rain possible | 25° /13° | 0.4 mm | 6 | |
| 12 Sept. | Moderate or heavy rain shower | 24° /13° | 8.6 mm | 6 | |
| 13 Sept. | Cloudy | 22° /12° | 0 mm | 6 | |
| 14 Sept. | Overcast | 23° /12° | 0 mm | 6 | |
| 15 Sept. | Mist | 24° /10° | 0 mm | 6 | |
| 16 Sept. | Cloudy | 25° /12° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /13° | 1 mm | 5 | |
| 18 Sept. | Mist | 22° /9° | 0 mm | 5 | |
| 19 Sept. | Partly cloudy | 22° /8° | 0 mm | 6 | |
| 20 Sept. | Cloudy | 23° /7° | 0 mm | 6 | |
| 21 Sept. | Mist | 25° /14° | 0 mm | 6 | |
| 22 Sept. | Mist | 23° /12° | 4.5 mm | 5 | |
| 23 Sept. | Mist | 21° /12° | 11.9 mm | 5 | |
| 24 Sept. | Cloudy | 21° /12° | 0 mm | 5 | |
| 25 Sept. | Overcast | 23° /13° | 8.1 mm | 5 | |
| 26 Sept. | Cloudy | 21° /12° | 0 mm | 6 | |
| 27 Sept. | Mist | 18° /9° | 0 mm | 4 | |
| 28 Sept. | Overcast | 19° /11° | 0 mm | 4 | |
| 29 Sept. | Overcast | 20° /14° | 0 mm | 5 | |
| 30 Sept. | Mist | 21° /12° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Newmarket 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 Newmarket forecast closer to your planned date for the most up-to-date weather information.
Newmarket in September - FAQ
What are the expected maximum and minimum temperatures in Newmarket during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Newmarket during September?
Moderate rainfall is anticipated in Newmarket during September, with a total of 51.3 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Newmarket during September?
The average wind speed in Newmarket during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Newmarket
Explore the daily rainfall trends and prepare for Newmarkets September weather 💧
UV exposure in Newmarket during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Newmarket?Get accurate weather forecasts for Newmarket, located at latitude 44.05 and longitude -79.466. Stay updated with localized weather information tailored for Newmarket.
Found a mistake?
We appreciate your attention to details. Tell us here.