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New Zealand weather

Weather in Bay of Plenty for September 2025

Your guide to Bay of Plenty weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Bay of Plenty is slightly cooler than the historical average by -1.6 °C.

  • The forecast for the next days in Bay of Plenty predicts temperatures to be around 14 °C, close to the historical average.

  • In general, the average temperature in Bay of Plenty at the beginning of September is 14.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.6 °C by the end of September.

    • Rain 🌧️

  • Bay of Plenty experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 107.6 mm.

Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/5°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Bay of Plenty Weather September

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

What’s the Weather Like in Bay of Plenty This September?

Discover the average temperatures and weather trends across Bay of Plenty’s cities this September.
Patchy rain possibleRotorua15 °C / 5 °CPatchy rain possibleTauranga14 °C / 8 °CMore Locations

Temperatures trend during September in Bay of Plenty

See the weather trend as well as the moving average line

September weather in Bay of Plenty day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 16° /4° 4.4 mm 4
2 Sept. Fog
Fog
 16° /4° 0.3 mm 5
3 Sept. Patchy rain possible
Patchy rain possible
 17° /5° 3.2 mm 5
4 Sept. Patchy rain possible
Patchy rain possible
 14° /4° 0.6 mm 4
5 Sept. Light rain shower
Light rain shower
 14° /4° 5.4 mm 5
6 Sept. Light rain shower
Light rain shower
 13° /4° 2.7 mm 4
7 Sept. Light rain shower
Light rain shower
 14° /5° 2.9 mm 4
8 Sept. Mist
Mist
 15° /2° 0.7 mm 4
9 Sept. Fog
Fog
 15° /2° 0 mm 4
10 Sept. Fog
Fog
 16° /5° 4 mm 5
11 Sept. Light rain shower
Light rain shower
 13° /4° 5.2 mm 4
12 Sept. Fog
Fog
 14° /3° 5.4 mm 4
13 Sept. Patchy rain possible
Patchy rain possible
 14° /3° 0.1 mm 4
14 Sept. Partly cloudy
Partly cloudy
 15° /5° 3.2 mm 5
15 Sept. Overcast
Overcast
 14° /4° 2.6 mm 4
16 Sept. Partly cloudy
Partly cloudy
 19° /8° 0 mm 1.1
17 Sept. Patchy rain possible
Patchy rain possible
 17° /8° 0.1 mm 1
18 Sept. Moderate rain
Moderate rain
 12° /6° 14.6 mm 0.1
19 Sept. Patchy rain possible
Patchy rain possible
 12° /3° 0.3 mm 0.9
20 Sept. Sunny
Sunny
 15° /1° 0 mm 1.1
21 Sept. Patchy rain possible
Patchy rain possible
 14° /8° 1 mm 0
22 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 4.5 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 1.3 mm 4
24 Sept. Partly cloudy
Partly cloudy
 15° /8° 0.1 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 12° /8° 2.2 mm 3
26 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 1.7 mm 4
27 Sept. Moderate rain
Moderate rain
 15° /9° 17.5 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 12° /7° 1 mm 3
29 Sept. Moderate rain
Moderate rain
 10° /5° 8 mm 3
30 Sept. Light rain shower
Light rain shower
 15° /2° 9.8 mm 4
Next
Important Notice
Our weather forecast for Bay of Plenty 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 Bay of Plenty forecast closer to your planned date for the most up-to-date weather information.
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Bay of Plenty in September - FAQ

What are the expected maximum and minimum temperatures in Bay of Plenty during September?
During September, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Bay of Plenty during September?
Significant rainfall exceeding 107.6 mm is expected in Bay of Plenty during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bay of Plenty during September?
The average wind speed in Bay of Plenty during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Bay of Plenty

Explore the daily rainfall trends and prepare for Bay of Plentys September weather 💧
Provinces in Bay of Plenty
Select a province for an accurate weather forecast
Rotorua DistrictTauranga City
Top locations in Bay of Plenty
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RotoruaTauranga
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Location coordinates Where is Bay of Plenty?

Get accurate weather forecasts for Bay of Plenty, located at latitude -38.139 and longitude 176.245. Stay updated with localized weather information tailored for Bay of Plenty.

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