Newcastle
September
Weather in Newcastle for September 2025
Your guide to Newcastle weather in September - trends and predictions
In general, the average temperature in Newcastle at the beginning of September is 28.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.7 °C by the end of September.
With an average of 4 rainy days, Newcastle experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.
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26
Dry days
4
Rainy days
0
Snow days
28°/9°
Temperatures
18 km/h
Avg max wind
34 %
Avg humidity
Newcastle in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2 27° | 3  29° | 4 30° | 5 30° | 6 28° | 7 28° |
| 8 30° | 9 22° | 10 27° | 11 31° | 12  24° | 13 28° | 14 30° |
| 15 31° | 16 28° | 17 26° | 18 28° | 19  30° | 20 18° | 21 17° |
| 22 21° | 23 26° | 24  28° | 25  30° | 26 28° | 27  23° | 28 26° |
| 29 31° | 30 28° |
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Temperatures trend during September in Newcastle
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 27° /8° | 0 mm | 0 cm | |
| 2 Sept. | Partly cloudy | 27° /8° | 0 mm | 0 cm | |
| 3 Sept. | Sunny | 29° /10° | 0 mm | 0 cm | |
| 4 Sept. | Sunny | 30° /11° | 0 mm | 0 cm | |
| 5 Sept. | Sunny | 30° /11° | 0 mm | 0 cm | |
| 6 Sept. | Partly cloudy | 28° /9° | 0 mm | 0 cm | |
| 7 Sept. | Sunny | 28° /6° | 0 mm | 0 cm | |
| 8 Sept. | Sunny | 30° /9° | 0.2 mm | 0 cm | |
| 9 Sept. | Sunny | 22° /8° | 0.3 mm | 0 cm | |
| 10 Sept. | Sunny | 27° /8° | 0.2 mm | 0 cm | |
| 11 Sept. | Sunny | 31° /8° | 0 mm | 0 cm | |
| 12 Sept. | Overcast | 24° /9° | 0 mm | 0 cm | |
| 13 Sept. | Partly cloudy | 28° /8° | 0.1 mm | 0 cm | |
| 14 Sept. | Sunny | 30° /12° | 0 mm | 0 cm | |
| 15 Sept. | Sunny | 31° /11° | 0.1 mm | 0 cm | |
| 16 Sept. | Sunny | 28° /10° | 0.2 mm | 0 cm | |
| 17 Sept. | Sunny | 26° /10° | 0.3 mm | 0 cm | |
| 18 Sept. | Partly cloudy | 28° /10° | 0.2 mm | 0 cm | |
| 19 Sept. | Thundery outbreaks possible | 30° /8° | 0.4 mm | 0 cm | |
| 20 Sept. | Sunny | 18° /5° | 9 mm | 4.4 cm | |
| 21 Sept. | Sunny | 17° /5° | 14.2 mm | 10.8 cm | |
| 22 Sept. | Sunny | 21° /6° | 0.3 mm | 0 cm | |
| 23 Sept. | Partly cloudy | 26° /8° | 0 mm | 0 cm | |
| 24 Sept. | Patchy rain possible | 28° /10° | 1.3 mm | 0 cm | |
| 25 Sept. | Moderate rain at times | 30° /11° | 1.8 mm | 0 cm | |
| 26 Sept. | Sunny | 28° /9° | 0 mm | 0 cm | |
| 27 Sept. | Light rain | 23° /9° | 2.5 mm | 0 cm | |
| 28 Sept. | Patchy rain possible | 26° /10° | 0.4 mm | 0 cm | |
| 29 Sept. | Sunny | 31° /10° | 0.1 mm | 0 cm | |
| 30 Sept. | Sunny | 28° /11° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Newcastle 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 Newcastle forecast closer to your planned date for the most up-to-date weather information.
Newcastle in September - FAQ
What are the expected maximum and minimum temperatures in Newcastle during September?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Newcastle during September?
Rainfall in Newcastle during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 4 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Newcastle during September?
The average wind speed in Newcastle during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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