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Weather in Newcastle for September 2025

Your guide to Newcastle weather in September - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Newcastle usually enjoys a light touch of snow in September.
    According to Newcastle snow forecast for September 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, September 2025 in Newcastle has been nearly identical to the historical average, with a temperature of 28.4 °C (showing only a slight deviation of 0.2 °C).

  • The forecast for the next days in Newcastle predicts temperatures to be around 28 °C, close to the historical average.

  • In general, the average temperature in Newcastle at the beginning of September is 28.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.1 °C by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Newcastle experiences minimal rainfall in September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
3
Rainy days
Average snowy days
2
Snow days
Average temperatures
27°/9°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
40 %
Avg humidity

Newcastle Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
27°
2
Sunny
28°
3
Sunny
30°
4
Sunny
30°
5
Sunny
30°
6
Partly cloudy
26°
7
Sunny
28°
8
Sunny
30°
9
Sunny
24°
10
Sunny
28°
11
Sunny
31°
12
Overcast
26°
13
Partly cloudy
29°
14
Sunny
30°
15
Sunny
30°
16
Sunny
29°
17
Sunny
28°
18
Sunny
30°
19
Sunny
31°
20
Partly cloudy
29°
21
Sunny
34°
22
Sunny
34°
23
Patchy rain possible
26°
24
Moderate rain
16°
25
Partly cloudy
24°
26
Partly cloudy
28°
27
Partly cloudy
28°
28
Sunny
28°
29
Sunny
31°
30
Sunny
28°

Temperatures trend during September in Newcastle

See the weather trend as well as the moving average line

September weather in Newcastle day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 27° /9° 0 mm 8
2 Sept. Sunny
Sunny
 28° /9° 0 mm 8
3 Sept. Sunny
Sunny
 30° /11° 0 mm 9
4 Sept. Sunny
Sunny
 30° /10° 0 mm 8
5 Sept. Sunny
Sunny
 30° /11° 0 mm 8
6 Sept. Partly cloudy
Partly cloudy
 26° /9° 2.2 mm 7
7 Sept. Sunny
Sunny
 28° /7° 0.2 mm 8
8 Sept. Sunny
Sunny
 30° /9° 0.3 mm 8
9 Sept. Sunny
Sunny
 24° /9° 2.1 mm 7
10 Sept. Sunny
Sunny
 28° /9° 0.3 mm 7
11 Sept. Sunny
Sunny
 31° /9° 0 mm 9
12 Sept. Overcast
Overcast
 26° /9° 0 mm 7
13 Sept. Partly cloudy
Partly cloudy
 29° /9° 0.3 mm 8
14 Sept. Sunny
Sunny
 30° /12° 0 mm 8
15 Sept. Sunny
Sunny
 30° /10° 0 mm 2
16 Sept. Sunny
Sunny
 29° /15° 0 mm 2.1
17 Sept. Sunny
Sunny
 28° /9° 0 mm 2.2
18 Sept. Sunny
Sunny
 30° /9° 0 mm 3
19 Sept. Sunny
Sunny
 31° /10° 0.1 mm 6
20 Sept. Partly cloudy
Partly cloudy
 29° /13° 0 mm 6
21 Sept. Sunny
Sunny
 34° /15° 0 mm 7
22 Sept. Sunny
Sunny
 34° /17° 0 mm 7
23 Sept. Patchy rain possible
Patchy rain possible
 26° /13° 0.2 mm 5
24 Sept. Moderate rain
Moderate rain
 16° /13° 7.6 mm 4
25 Sept. Partly cloudy
Partly cloudy
 24° /12° 0 mm 6
26 Sept. Partly cloudy
Partly cloudy
 28° /15° 0 mm 7
27 Sept. Partly cloudy
Partly cloudy
 28° /18° 0.1 mm 7
28 Sept. Sunny
Sunny
 28° /16° 0 mm 7
29 Sept. Sunny
Sunny
 31° /10° 0.1 mm 9
30 Sept. Sunny
Sunny
 28° /11° 0 mm 8
Next
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.
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Newcastle in September - FAQ

What are the expected maximum and minimum temperatures in Newcastle during September?
Enjoy moderate daytime temperatures of up to 27° 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?
In September, Newcastle can expect light to moderate rainfall, totaling 31.7 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Newcastle in September 2025?
Newcastle experiences an average snowfall of 15.24 cm during September, occurring over 2 days.
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 💧

UV exposure in Newcastle during September

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

Quick links

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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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