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New Zealand weather

Weather in Hamilton City for September 2026

Your guide to Hamilton City weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Hamilton City at the beginning of September is 15.7 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 15.7 °C by the end of September.

    • Rain 🌧️

  • Hamilton City in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 124.8 mm.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/6°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Hamilton City Weather September

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

Temperatures trend during September in Hamilton City

See the weather trend as well as the moving average line

September weather in Hamilton City day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 16° /5° 5 mm 4
2 Sept. Mist
Mist
 17° /5° 0.8 mm 4
3 Sept. Fog
Fog
 16° /7° 5.8 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 15° /6° 0.3 mm 5
5 Sept. Moderate rain
Moderate rain
 15° /6° 5.8 mm 5
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /7° 7.2 mm 4
7 Sept. Patchy rain possible
Patchy rain possible
 16° /6° 6.2 mm 4
8 Sept. Fog
Fog
 15° /3° 0.6 mm 4
9 Sept. Partly cloudy
Partly cloudy
 15° /2° 0.1 mm 4
10 Sept. Light rain shower
Light rain shower
 16° /6° 6.2 mm 5
11 Sept. Light rain shower
Light rain shower
 15° /5° 2.4 mm 5
12 Sept. Mist
Mist
 15° /4° 9.3 mm 4
13 Sept. Light rain shower
Light rain shower
 14° /5° 0.9 mm 4
14 Sept. Cloudy
Cloudy
 16° /7° 7.2 mm 4
15 Sept. Cloudy
Cloudy
 15° /5° 3.6 mm 4
16 Sept. Mist
Mist
 16° /5° 4.9 mm 4
17 Sept. Cloudy
Cloudy
 16° /6° 1.6 mm 4
18 Sept. Light rain shower
Light rain shower
 14° /5° 4.9 mm 4
19 Sept. Mist
Mist
 16° /5° 1.4 mm 4
20 Sept. Fog
Fog
 17° /5° 3.4 mm 5
21 Sept. Sunny
Sunny
 18° /5° 0.2 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 17° /6° 0.5 mm 5
23 Sept. Light rain shower
Light rain shower
 16° /9° 11.2 mm 4
24 Sept. Light rain shower
Light rain shower
 16° /9° 13.8 mm 5
25 Sept. Moderate rain
Moderate rain
 16° /6° 8.9 mm 5
26 Sept. Light rain shower
Light rain shower
 16° /5° 6.5 mm 4
27 Sept. Light rain shower
Light rain shower
 15° /8° 2.3 mm 4
28 Sept. Light rain shower
Light rain shower
 16° /6° 3.1 mm 4
29 Sept. Light drizzle
Light drizzle
 16° /8° 2.3 mm 4
30 Sept. Moderate rain
Moderate rain
 15° /3° 5.7 mm 4
Next
Important Notice
Our weather forecast for Hamilton City 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 Hamilton City forecast closer to your planned date for the most up-to-date weather information.
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Hamilton City in September - FAQ

What are the expected maximum and minimum temperatures in Hamilton City during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hamilton City during September?
Significant rainfall exceeding 124.8 mm is expected in Hamilton City during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hamilton City during September?
The average wind speed in Hamilton City during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Hamilton City

Explore the daily rainfall trends and prepare for Hamilton Citys September weather 💧
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Location coordinates Where is Hamilton City?

Get accurate weather forecasts for Hamilton City, located at latitude -37.783 and longitude 175.283. Stay updated with localized weather information tailored for Hamilton City.

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