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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.

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Average dry days
26
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/9°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
34 %
Avg humidity

Newcastle in September average weather

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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
Partly cloudy
27° /8° 0 mm 0 cm
2 Sept. Partly cloudy
Partly cloudy
27° /8° 0 mm 0 cm
3 Sept. Sunny
Sunny
29° /10° 0 mm 0 cm
4 Sept. Sunny
Sunny
30° /11° 0 mm 0 cm
5 Sept. Sunny
Sunny
30° /11° 0 mm 0 cm
6 Sept. Partly cloudy
Partly cloudy
28° /9° 0 mm 0 cm
7 Sept. Sunny
Sunny
28° /6° 0 mm 0 cm
8 Sept. Sunny
Sunny
30° /9° 0.2 mm 0 cm
9 Sept. Sunny
Sunny
22° /8° 0.3 mm 0 cm
10 Sept. Sunny
Sunny
27° /8° 0.2 mm 0 cm
11 Sept. Sunny
Sunny
31° /8° 0 mm 0 cm
12 Sept. Overcast
Overcast
24° /9° 0 mm 0 cm
13 Sept. Partly cloudy
Partly cloudy
28° /8° 0.1 mm 0 cm
14 Sept. Sunny
Sunny
30° /12° 0 mm 0 cm
15 Sept. Sunny
Sunny
31° /11° 0.1 mm 0 cm
16 Sept. Sunny
Sunny
28° /10° 0.2 mm 0 cm
17 Sept. Sunny
Sunny
26° /10° 0.3 mm 0 cm
18 Sept. Partly cloudy
Partly cloudy
28° /10° 0.2 mm 0 cm
19 Sept. Thundery outbreaks possible
Thundery outbreaks possible
30° /8° 0.4 mm 0 cm
20 Sept. Sunny
Sunny
18° /5° 9 mm 4.4 cm
21 Sept. Sunny
Sunny
17° /5° 14.2 mm 10.8 cm
22 Sept. Sunny
Sunny
21° /6° 0.3 mm 0 cm
23 Sept. Partly cloudy
Partly cloudy
26° /8° 0 mm 0 cm
24 Sept. Patchy rain possible
Patchy rain possible
28° /10° 1.3 mm 0 cm
25 Sept. Moderate rain at times
Moderate rain at times
30° /11° 1.8 mm 0 cm
26 Sept. Sunny
Sunny
28° /9° 0 mm 0 cm
27 Sept. Light rain
Light rain
23° /9° 2.5 mm 0 cm
28 Sept. Patchy rain possible
Patchy rain possible
26° /10° 0.4 mm 0 cm
29 Sept. Sunny
Sunny
31° /10° 0.1 mm 0 cm
30 Sept. Sunny
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.

September rainfall patterns in Newcastle

Explore the daily rainfall trends and prepare for Newcastles September weather 💧

September snowfall in Newcastle

Track daily snowfall levels and discover Newcastle’s snowy potential this September ❄️

UV exposure in Newcastle during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Newcastle?

Get accurate weather forecasts for Newcastle, located at latitude -27.758 and longitude 29.932. Stay updated with localized weather information tailored for Newcastle.

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