Hamilton
September
Weather in Hamilton for September 2025
Your guide to Hamilton weather in September - trends and predictions
In general, the average temperature in Hamilton at the beginning of September is 16.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 15 °C by the end of September.
Hamilton experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 249.5 mm.
Temperatures
Rain 🌧️
23
Dry days
7
Rainy days
0
Snow days
17°/5°
Temperatures
20 km/h
Avg max wind
84 %
Avg humidity
Hamilton Weather September
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2 18° | 3 17° | 4  15° | 5  14° | 6  16° | 7  18° |
| 8 16° | 9  15° | 10 16° | 11 16° | 12 15° | 13 14° | 14  16° |
| 15 15° | 16 15° | 17 15° | 18 15° | 19 16° | 20 18° | 21  18° |
| 22 17° | 23 17° | 24 16° | 25 16° | 26 15° | 27 14° | 28 14° |
| 29  15° | 30 15° |
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Access Hamilton weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Hamilton
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Mist | 17° /3° | 7.5 mm | 5 | |
| 2 Sept. | Mist | 18° /4° | 0 mm | 5 | |
| 3 Sept. | Fog | 17° /8° | 8.6 mm | 4 | |
| 4 Sept. | Patchy rain possible | 15° /8° | 0.4 mm | 5 | |
| 5 Sept. | Moderate rain | 14° /7° | 8.7 mm | 5 | |
| 6 Sept. | Moderate or heavy rain shower | 16° /8° | 4.5 mm | 5 | |
| 7 Sept. | Heavy rain at times | 18° /7° | 9.1 mm | 5 | |
| 8 Sept. | Fog | 16° /4° | 1 mm | 4 | |
| 9 Sept. | Partly cloudy | 15° /4° | 0.1 mm | 5 | |
| 10 Sept. | Light rain shower | 16° /7° | 0.8 mm | 5 | |
| 11 Sept. | Light rain shower | 16° /5° | 3.5 mm | 5 | |
| 12 Sept. | Mist | 15° /3° | 0 mm | 5 | |
| 13 Sept. | Mist | 14° /4° | 0.3 mm | 4 | |
| 14 Sept. | Cloudy | 16° /7° | 10.7 mm | 5 | |
| 15 Sept. | Cloudy | 15° /5° | 5.3 mm | 4 | |
| 16 Sept. | Mist | 15° /3° | 7.3 mm | 4 | |
| 17 Sept. | Cloudy | 15° /4° | 2.4 mm | 4 | |
| 18 Sept. | Light rain shower | 15° /3° | 0.7 mm | 4 | |
| 19 Sept. | Mist | 16° /6° | 1 mm | 4 | |
| 20 Sept. | Fog | 18° /7° | 5 mm | 5 | |
| 21 Sept. | Sunny | 18° /6° | 0.3 mm | 6 | |
| 22 Sept. | Patchy rain possible | 17° /6° | 0.7 mm | 5 | |
| 23 Sept. | Light rain shower | 17° /9° | 11.8 mm | 5 | |
| 24 Sept. | Patchy rain possible | 16° /9° | 1.8 mm | 5 | |
| 25 Sept. | Moderate rain | 16° /7° | 12.6 mm | 5 | |
| 26 Sept. | Light rain shower | 15° /5° | 5.1 mm | 4 | |
| 27 Sept. | Patchy rain possible | 14° /8° | 2.3 mm | 4 | |
| 28 Sept. | Light rain shower | 14° /5° | 4.2 mm | 4 | |
| 29 Sept. | Light drizzle | 15° /7° | 0.5 mm | 4 | |
| 30 Sept. | Moderate rain | 15° /4° | 8.6 mm | 4 | |
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Important Notice
Our weather forecast for Hamilton 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 forecast closer to your planned date for the most up-to-date weather information.
Hamilton in September - FAQ
What are the expected maximum and minimum temperatures in Hamilton during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hamilton during September?
Significant rainfall exceeding 249.5 mm is expected in Hamilton during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hamilton during September?
The average wind speed in Hamilton during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Hamilton
Explore the daily rainfall trends and prepare for Hamiltons September weather 💧
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