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New Zealand weather

Weather in Northland for September 2025

Your guide to Northland weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Northland is slightly cooler than the historical average by -1.1 °C.

  • The forecast for the next days in Northland predicts temperatures to be around 17 °C, close to the historical average.

  • In general, the average temperature in Northland at the beginning of September is 17 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 16.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Northland in September is notably wet, with an average of 12 rainy days, and a total of 54 mm of precipitation.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Northland Weather September

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

What’s the Weather Like in Northland This September?

Discover the average temperatures and weather trends across Northland’s cities this September.
Patchy rain possiblePaihia17 °C / 8 °CPatchy rain possibleWhangarei17 °C / 8 °CMore Locations

Temperatures trend during September in Northland

See the weather trend as well as the moving average line

September weather in Northland day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 18° /9° 3.5 mm 5
2 Sept. Heavy rain at times
Heavy rain at times
 18° /9° 1.9 mm 5
3 Sept. Moderate rain at times
Moderate rain at times
 19° /8° 3.5 mm 6
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /6° 3 mm 5
5 Sept. Moderate rain at times
Moderate rain at times
 17° /6° 0.4 mm 5
6 Sept. Patchy rain possible
Patchy rain possible
 14° /8° 3.6 mm 5
7 Sept. Patchy rain possible
Patchy rain possible
 17° /7° 0.3 mm 5
8 Sept. Heavy rain at times
Heavy rain at times
 14° /6° 1.8 mm 5
9 Sept. Overcast
Overcast
 16° /5° 1.1 mm 5
10 Sept. Overcast
Overcast
 18° /8° 0.2 mm 5
11 Sept. Overcast
Overcast
 14° /8° 6.6 mm 5
12 Sept. Partly cloudy
Partly cloudy
 18° /7° 8.9 mm 6
13 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 0.2 mm 5
14 Sept. Moderate rain at times
Moderate rain at times
 17° /10° 2.4 mm 5
15 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 1.6 mm 5
16 Sept. Sunny
Sunny
 18° /9° 0 mm 1.3
17 Sept. Partly cloudy
Partly cloudy
 18° /11° 0 mm 1.3
18 Sept. Moderate rain
Moderate rain
 17° /12° 6.4 mm 0.9
19 Sept. Sunny
Sunny
 17° /8° 0.1 mm 1.5
20 Sept. Patchy rain possible
Patchy rain possible
 15° /7° 0.8 mm 1.4
21 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 0.4 mm 0
22 Sept. Patchy rain possible
Patchy rain possible
 17° /15° 0.2 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 16° /14° 2.8 mm 4
24 Sept. Sunny
Sunny
 17° /11° 0 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 0.2 mm 4
26 Sept. Sunny
Sunny
 15° /10° 0 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 0.2 mm 4
28 Sept. Partly cloudy
Partly cloudy
 16° /10° 0.1 mm 5
29 Sept. Sunny
Sunny
 17° /9° 0 mm 5
30 Sept. Partly cloudy
Partly cloudy
 17° /8° 0 mm 6
Next
Important Notice
Our weather forecast for Northland 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 Northland forecast closer to your planned date for the most up-to-date weather information.
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Northland in September - FAQ

What are the expected maximum and minimum temperatures in Northland during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Northland during September?
Moderate rainfall is anticipated in Northland during September, with a total of 54 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Northland during September?
The average wind speed in Northland during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Northland

Explore the daily rainfall trends and prepare for Northlands September weather 💧
Provinces in Northland
Select a province for an accurate weather forecast
Far North DistrictWhangarei
Top locations in Northland
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PaihiaWhangarei
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Location coordinates Where is Northland?

Get accurate weather forecasts for Northland, located at latitude -35.281 and longitude 174.091. Stay updated with localized weather information tailored for Northland.

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