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Weather in Nelson for September 2025

Your guide to Nelson weather in September - trends and predictions

    Temperatures

  • 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.

  • Rain 🌧️

  • 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.

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/4°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Nelson Weather September

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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
Partly cloudy
14° /2° 0.8 mm 5
2 Sept. Sunny
Sunny
14° /2° 0 mm 5
3 Sept. Overcast
Overcast
15° /4° 1.2 mm 4
4 Sept. Partly cloudy
Partly cloudy
13° /4° 5.9 mm 4
5 Sept. Heavy rain
Heavy rain
12° /3° 24 mm 4
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
15° /5° 19.5 mm 5
7 Sept. Patchy rain possible
Patchy rain possible
16° /4° 7.7 mm 5
8 Sept. Sunny
Sunny
14° /3° 0 mm 4
9 Sept. Sunny
Sunny
14° /4° 3.2 mm 4
10 Sept. Light rain shower
Light rain shower
14° /5° 2 mm 5
11 Sept. Light rain shower
Light rain shower
12° /2° 14.9 mm 4
12 Sept. Overcast
Overcast
14° /2° 0 mm 4
13 Sept. Sunny
Sunny
13° /3° 2.9 mm 4
14 Sept. Overcast
Overcast
12° /3° 0.2 mm 4
15 Sept. Overcast
Overcast
13° /5° 0 mm 4
16 Sept. Partly cloudy
Partly cloudy
13° /4° 0.5 mm 4
17 Sept. Light rain shower
Light rain shower
13° /4° 3.9 mm 4
18 Sept. Partly cloudy
Partly cloudy
14° /0° 0 mm 5
19 Sept. Patchy rain possible
Patchy rain possible
13° /2° 0.6 mm 4
20 Sept. Partly cloudy
Partly cloudy
15° /4° 0.1 mm 5
21 Sept. Partly cloudy
Partly cloudy
15° /4° 0 mm 5
22 Sept. Light rain shower
Light rain shower
14° /4° 5 mm 4
23 Sept. Light rain shower
Light rain shower
14° /5° 5.7 mm 4
24 Sept. Light rain shower
Light rain shower
14° /4° 1.4 mm 4
25 Sept. Partly cloudy
Partly cloudy
12° /3° 0.1 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
14° /4° 0.6 mm 4
27 Sept. Overcast
Overcast
12° /4° 0.2 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
15° /2° 0.1 mm 5
29 Sept. Light rain shower
Light rain shower
14° /4° 0.6 mm 4
30 Sept. Patchy rain possible
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 💧
Provinces in Nelson
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Location coordinates Where is Nelson?

Get accurate weather forecasts for Nelson, located at latitude -41.271 and longitude 173.284. Stay updated with localized weather information tailored for Nelson.

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