Bay of Plenty (Rotorua)
September
Weather in Bay of Plenty for September 2025
Your guide to Bay of Plenty weather in September - trends and predictions
In general, the average temperature in Bay of Plenty at the beginning of September is 15.4 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 15.1 °C by the end of September.
Bay of Plenty sees moderate rainfall in September, averaging 6 rainy days.
Is September a good time to visit Bay of Plenty? check out the best time to travel to Bay of Plenty page.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
17°/3°
Temperatures
13 km/h
Avg max wind
79 %
Avg humidity
Bay of Plenty in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2 17° | 3  17° | 4 14° | 5 13° | 6 15° | 7 15° |
| 8 16° | 9 16° | 10 16° | 11 14° | 12 15° | 13  14° | 14  15° |
| 15 13° | 16 15° | 17 14° | 18 14° | 19 17° | 20 17° | 21  19° |
| 22 17° | 23 14° | 24 18° | 25 14° | 26 15° | 27 14° | 28 13° |
| 29  17° | 30 15° |
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Temperatures trend during September in Bay of Plenty
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° /4° | 6.6 mm | 5 | |
| 2 Sept. | Fog | 17° /3° | 0 mm | 5 | |
| 3 Sept. | Patchy rain possible | 17° /6° | 4.8 mm | 5 | |
| 4 Sept. | Patchy rain possible | 14° /5° | 0.9 mm | 4 | |
| 5 Sept. | Light rain shower | 13° /4° | 8.1 mm | 5 | |
| 6 Sept. | Light rain shower | 15° /5° | 1.8 mm | 4 | |
| 7 Sept. | Light rain shower | 15° /6° | 4.3 mm | 4 | |
| 8 Sept. | Mist | 16° /4° | 1 mm | 4 | |
| 9 Sept. | Fog | 16° /3° | 0 mm | 4 | |
| 10 Sept. | Fog | 16° /5° | 0.3 mm | 5 | |
| 11 Sept. | Light rain shower | 14° /5° | 7.8 mm | 5 | |
| 12 Sept. | Fog | 15° /3° | 0 mm | 4 | |
| 13 Sept. | Overcast | 14° /3° | 0.1 mm | 4 | |
| 14 Sept. | Partly cloudy | 15° /5° | 4.9 mm | 5 | |
| 15 Sept. | Overcast | 13° /5° | 3.9 mm | 4 | |
| 16 Sept. | Mist | 15° /1° | 2.7 mm | 4 | |
| 17 Sept. | Fog | 14° /3° | 2.2 mm | 4 | |
| 18 Sept. | Patchy rain possible | 14° /2° | 0.1 mm | 4 | |
| 19 Sept. | Partly cloudy | 17° /6° | 0.4 mm | 5 | |
| 20 Sept. | Mist | 17° /7° | 2 mm | 5 | |
| 21 Sept. | Sunny | 19° /5° | 0.1 mm | 6 | |
| 22 Sept. | Patchy rain possible | 17° /6° | 0.9 mm | 5 | |
| 23 Sept. | Light rain shower | 14° /8° | 10.3 mm | 4 | |
| 24 Sept. | Light rain shower | 18° /6° | 9.4 mm | 5 | |
| 25 Sept. | Light rain shower | 14° /4° | 15.7 mm | 5 | |
| 26 Sept. | Light rain shower | 15° /4° | 4.4 mm | 4 | |
| 27 Sept. | Patchy rain possible | 14° /6° | 1 mm | 4 | |
| 28 Sept. | Light rain shower | 13° /4° | 3.6 mm | 4 | |
| 29 Sept. | Light drizzle | 17° /5° | 0.4 mm | 4 | |
| 30 Sept. | Light rain shower | 15° /2° | 9.8 mm | 4 | |
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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.
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 17° and lows near 3°, suitable for diverse activities and preferences.
How much rainfall should be expected in Bay of Plenty during September?
Significant rainfall exceeding 215.3 mm is expected in Bay of Plenty during September, occurring over more than 6 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.
What to pack to Bay of Plenty in September?
As you prepare for your trip to Bay of Plenty in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Bay of Plenty, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Bay of Plenty
Explore the daily rainfall trends and prepare for Bay of Plentys September weather 💧
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