Northland (Whangarei)
September
Weather in Northland for September 2025
Your guide to Northland weather in September - trends and predictions
In general, the average temperature in Northland at the beginning of September is 17.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.4 °C by the end of September.
Northland experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 199 mm.
Temperatures
Rain 🌧️
23
Dry days
7
Rainy days
0
Snow days
18°/7°
Temperatures
14 km/h
Avg max wind
81 %
Avg humidity
Northland Weather September
Move between months or click on a day
What’s the Weather Like in Northland This September?
Discover the average temperatures and weather trends across Northland’s cities this September.
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
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /10° | 3.1 mm | 5 | |
| 2 Sept. | Light rain shower | 18° /9° | 1.2 mm | 5 | |
| 3 Sept. | Light rain shower | 18° /10° | 14.4 mm | 5 | |
| 4 Sept. |  Moderate or heavy rain shower | 15° /9° | 25.4 mm | 4 | |
| 5 Sept. | Light rain shower | 17° /8° | 1.4 mm | 5 | |
| 6 Sept. |  Fog | 18° /8° | 0.4 mm | 5 | |
| 7 Sept. | Light rain shower | 18° /8° | 2.1 mm | 5 | |
| 8 Sept. | Fog | 17° /6° | 1.1 mm | 5 | |
| 9 Sept. | Light rain shower | 16° /7° | 0.6 mm | 4 | |
| 10 Sept. |  Cloudy | 17° /9° | 0.1 mm | 5 | |
| 11 Sept. | Moderate or heavy rain shower | 16° /7° | 2.9 mm | 5 | |
| 12 Sept. | Fog | 17° /6° | 0 mm | 5 | |
| 13 Sept. | Cloudy | 16° /5° | 0.1 mm | 5 | |
| 14 Sept. |  Partly cloudy | 17° /8° | 3.8 mm | 5 | |
| 15 Sept. |  Overcast | 16° /6° | 0.3 mm | 5 | |
| 16 Sept. | Mist | 17° /6° | 5.1 mm | 5 | |
| 17 Sept. | Mist | 16° /6° | 5.2 mm | 5 | |
| 18 Sept. | Mist | 16° /7° | 1 mm | 4 | |
| 19 Sept. | Fog | 19° /6° | 0.2 mm | 5 | |
| 20 Sept. |  Sunny | 19° /8° | 0.4 mm | 6 | |
| 21 Sept. | Sunny | 21° /8° | 0 mm | 6 | |
| 22 Sept. | Light rain shower | 20° /10° | 0.7 mm | 5 | |
| 23 Sept. | Moderate or heavy rain shower | 18° /10° | 13.8 mm | 5 | |
| 24 Sept. | Patchy rain possible | 17° /7° | 0.6 mm | 5 | |
| 25 Sept. | Fog | 17° /7° | 1.7 mm | 5 | |
| 26 Sept. | Light rain shower | 18° /6° | 1.6 mm | 5 | |
| 27 Sept. | Patchy rain possible | 17° /8° | 5.3 mm | 5 | |
| 28 Sept. | Light rain shower | 15° /7° | 2.2 mm | 5 | |
| 29 Sept. |  Light drizzle | 16° /7° | 0.3 mm | 5 | |
| 30 Sept. | Light rain shower | 15° /7° | 4.4 mm | 4 | |
| 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.
Change Month
Northland in September - FAQ
What are the expected maximum and minimum temperatures in Northland during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Northland during September?
Significant rainfall exceeding 199 mm is expected in Northland during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Northland during September?
The average wind speed in Northland during September is 14 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 💧
UV exposure in Northland during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Northland
Select a province for an accurate weather forecast
Top locations in Northland
Select a location for an accurate weather forecast
More Locations Quick links
More Northland weather pages
You are here
Where is Northland?Get accurate weather forecasts for Northland, located at latitude -35.732 and longitude 174.324. Stay updated with localized weather information tailored for Northland.
Found a mistake?
We appreciate your attention to details. Tell us here.