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Weather in Newcastle for September 2026

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 2026, no snow is expected in the next 2 weeks.

    • Temperatures

  • Until now, September 2026 in Newcastle is cooler than usual, with temperatures averaging 23.2 °C, this is 3.8 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Newcastle with the forecast suggesting a temperature of 24.2 °C, lower than the historical average.

  • In general, the average temperature in Newcastle at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.4 °C by the end of September.

    • Rain 🌧️

  • Newcastle experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 46.4 mm.

    • More

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

Average dry days
21
Dry days
Average rainy days
7
Rainy days
Average snowy days
2
Snow days
Average temperatures
27°/10°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
42 %
Avg humidity

Newcastle Weather September

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

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
 28° /10° 0 mm 8
2 Sept. Sunny
Sunny
 29° /10° 0 mm 8
3 Sept. Sunny
Sunny
 30° /11° 0 mm 8
4 Sept. Sunny
Sunny
 27° /10° 0.5 mm 7
5 Sept. Sunny
Sunny
 27° /11° 0.2 mm 6
6 Sept. Partly cloudy
Partly cloudy
 24° /10° 2.4 mm 6
7 Sept. Sunny
Sunny
 25° /8° 2.3 mm 6
8 Sept. Sunny
Sunny
 28° /9° 0.2 mm 8
9 Sept. Sunny
Sunny
 24° /9° 1.6 mm 7
10 Sept. Sunny
Sunny
 28° /9° 0.2 mm 7
11 Sept. Sunny
Sunny
 30° /10° 0 mm 8
12 Sept. Sunny
Sunny
 28° /14° 0 mm 8.2
13 Sept. Sunny
Sunny
 29° /15° 0 mm 8.4
14 Sept. Sunny
Sunny
 30° /15° 0 mm 8.2
15 Sept. Sunny
Sunny
 24° /13° 2.5 mm 9
16 Sept. Sunny
Sunny
 28° /12° 0 mm 8
17 Sept. Sunny
Sunny
 28° /14° 0 mm 8
18 Sept. Light rain shower
Light rain shower
 29° /14° 4 mm 8
19 Sept. Patchy rain possible
Patchy rain possible
 17° /8° 0.1 mm 4
20 Sept. Patchy rain possible
Patchy rain possible
 12° /8° 1.3 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 13° /7° 0.1 mm 5
22 Sept. Sunny
Sunny
 23° /5° 0 mm 7
23 Sept. Sunny
Sunny
 28° /11° 2.7 mm 8
24 Sept. Cloudy
Cloudy
 29° /11° 0 mm 7
25 Sept. Sunny
Sunny
 21° /9° 0.1 mm 7
26 Sept. Sunny
Sunny
 27° /9° 0 mm 8
27 Sept. Light rain
Light rain
 25° /9° 1.8 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
 27° /11° 2.4 mm 7
29 Sept. Sunny
Sunny
 25° /9° 7.8 mm 7
30 Sept. Sunny
Sunny
 24° /10° 0.2 mm 7
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.
Change Month
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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 10°. 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 46.4 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Newcastle in September 2026?
Newcastle experiences an average snowfall of 10.2 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 💧
Typically, Newcastle has 7 rainy days in September with a total of 46.4 mm of rainfall.

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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