Nelson
September
Weather in Nelson for September 2025
Your guide to Nelson weather in September - trends and predictions
In general, the average temperature in Nelson at the beginning of September is 14.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.6 °C by the end of September.
The climate of Nelson in September is notably wet, with an average of 13 rainy days, and a total of 101.9 mm of precipitation.
Temperatures
Rain 🌧️
17
Dry days
13
Rainy days
0
Snow days
13°/4°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Nelson Weather September
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2  14° | 3  15° | 4 13° | 5  12° | 6  15° | 7  16° |
| 8 14° | 9 14° | 10 14° | 11 12° | 12 14° | 13 13° | 14 12° |
| 15 13° | 16 13° | 17 13° | 18 14° | 19 13° | 20 15° | 21 15° |
| 22 14° | 23 14° | 24 14° | 25 12° | 26 14° | 27 12° | 28 15° |
| 29 14° | 30 14° |
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Temperatures trend during September in Nelson
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. | Partly cloudy | 14° /2° | 0.8 mm | 5 | |
| 2 Sept. | Sunny | 14° /2° | 0 mm | 5 | |
| 3 Sept. | Overcast | 15° /4° | 1.2 mm | 4 | |
| 4 Sept. | Partly cloudy | 13° /4° | 5.9 mm | 4 | |
| 5 Sept. | Heavy rain | 12° /3° | 24 mm | 4 | |
| 6 Sept. | Moderate or heavy rain shower | 15° /5° | 19.5 mm | 5 | |
| 7 Sept. | Patchy rain possible | 16° /4° | 7.7 mm | 5 | |
| 8 Sept. | Sunny | 14° /3° | 0 mm | 4 | |
| 9 Sept. | Sunny | 14° /4° | 3.2 mm | 4 | |
| 10 Sept. | Light rain shower | 14° /5° | 2 mm | 5 | |
| 11 Sept. | Light rain shower | 12° /2° | 14.9 mm | 4 | |
| 12 Sept. | Overcast | 14° /2° | 0 mm | 4 | |
| 13 Sept. | Sunny | 13° /3° | 2.9 mm | 4 | |
| 14 Sept. | Overcast | 12° /3° | 0.2 mm | 4 | |
| 15 Sept. | Overcast | 13° /5° | 0 mm | 4 | |
| 16 Sept. | Partly cloudy | 13° /4° | 0.5 mm | 4 | |
| 17 Sept. | Light rain shower | 13° /4° | 3.9 mm | 4 | |
| 18 Sept. | Partly cloudy | 14° /0° | 0 mm | 5 | |
| 19 Sept. | Patchy rain possible | 13° /2° | 0.6 mm | 4 | |
| 20 Sept. | Partly cloudy | 15° /4° | 0.1 mm | 5 | |
| 21 Sept. | Partly cloudy | 15° /4° | 0 mm | 5 | |
| 22 Sept. | Light rain shower | 14° /4° | 5 mm | 4 | |
| 23 Sept. | Light rain shower | 14° /5° | 5.7 mm | 4 | |
| 24 Sept. | Light rain shower | 14° /4° | 1.4 mm | 4 | |
| 25 Sept. | Partly cloudy | 12° /3° | 0.1 mm | 5 | |
| 26 Sept. | Patchy rain possible | 14° /4° | 0.6 mm | 4 | |
| 27 Sept. | Overcast | 12° /4° | 0.2 mm | 4 | |
| 28 Sept. | Patchy rain possible | 15° /2° | 0.1 mm | 5 | |
| 29 Sept. | Light rain shower | 14° /4° | 0.6 mm | 4 | |
| 30 Sept. | Patchy rain possible | 14° /4° | 0.6 mm | 4 | |
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Important Notice
Our weather forecast for Nelson 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 Nelson forecast closer to your planned date for the most up-to-date weather information.
Nelson in September - FAQ
What are the expected maximum and minimum temperatures in Nelson during September?
Prepare for cooler days with highs just around 13° and colder nights, dipping below 4°.
How much rainfall should be expected in Nelson during September?
Significant rainfall exceeding 101.9 mm is expected in Nelson during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nelson during September?
The average wind speed in Nelson during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Nelson
Explore the daily rainfall trends and prepare for Nelsons September weather 💧
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