Hamnøya
September
Weather in Hamnøya for September 2026
Your guide to Hamnøya weather in September - trends and predictions
Gale - See hour by hour.
Until now, September 2026 in Hamnøya is cooler than usual, with temperatures averaging 10.5 °C, this is 2.9 °C below the typical seasonal average.
Expect cooler weather in the next days in Hamnøya with the forecast suggesting a temperature of 12.3 °C, lower than the historical average.
In general, the average temperature in Hamnøya at the beginning of September is 13 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 11.1 °C by the end of September.
Hamnøya experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 101.8 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
7
Dry days
23
Rainy days
0
Snow days
12°/10°
Temperatures
31 km/h
Avg max wind
77 %
Avg humidity
Hamnøya Weather September
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Temperatures trend during September in Hamnøya
See the weather trend as well as the moving average line
September weather in Hamnøya day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 13° /10° | 0.6 mm | 3 | |
| 2 Sept. | Partly cloudy | 14° /11° | 1.3 mm | 3 | |
| 3 Sept. |  Patchy rain possible | 13° /11° | 2.9 mm | 2 | |
| 4 Sept. |  Light rain | 14° /10° | 1.5 mm | 3 | |
| 5 Sept. | Patchy rain possible | 12° /10° | 0.3 mm | 2 | |
| 6 Sept. | Patchy rain possible | 12° /9° | 0.6 mm | 3 | |
| 7 Sept. | Light rain shower | 13° /10° | 3.3 mm | 2 | |
| 8 Sept. | Patchy rain possible | 14° /11° | 0.8 mm | 3 | |
| 9 Sept. | Light rain shower | 14° /11° | 3.3 mm | 3 | |
| 10 Sept. | Light drizzle | 14° /10° | 1.6 mm | 3 | |
| 11 Sept. |  Overcast | 15° /11° | 0.1 mm | 3 | |
| 12 Sept. | Patchy rain possible | 16° /11° | 3.2 mm | 4 | |
| 13 Sept. | Patchy rain possible | 14° /8° | 13.9 mm | 0.5 | |
| 14 Sept. | Patchy rain possible | 11° /9° | 1.8 mm | 0.7 | |
| 15 Sept. | Patchy rain possible | 11° /10° | 0.8 mm | 0.5 | |
| 16 Sept. | Patchy rain possible | 11° /10° | 3.4 mm | 0.5 | |
| 17 Sept. | Overcast | 15° /8° | 0.6 mm | 4 | |
| 18 Sept. | Light rain shower | 13° /10° | 7.4 mm | 3 | |
| 19 Sept. | Patchy rain possible | 14° /11° | 2.2 mm | 3 | |
| 20 Sept. | Patchy rain possible | 12° /10° | 5.6 mm | 3 | |
| 21 Sept. | Patchy rain possible | 12° /10° | 5.9 mm | 4 | |
| 22 Sept. | Patchy rain possible | 11° /10° | 3.9 mm | 3 | |
| 23 Sept. | Patchy rain possible | 10° /9° | 2.7 mm | 3 | |
| 24 Sept. | Patchy rain possible | 10° /8° | 0.9 mm | 3 | |
| 25 Sept. | Patchy rain possible | 14° /8° | 0.6 mm | 4 | |
| 26 Sept. | Patchy rain possible | 14° /8° | 0.7 mm | 3 | |
| 27 Sept. | Light rain shower | 10° /8° | 0.9 mm | 3 | |
| 28 Sept. | Light rain shower | 10° /7° | 9.1 mm | 3 | |
| 29 Sept. |  Light sleet showers | 10° /7° | 3.3 mm | 3 | |
| 30 Sept. | Light rain shower | 10° /7° | 15 mm | 3 | |
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Important Notice
Our weather forecast for Hamnøya 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 Hamnøya forecast closer to your planned date for the most up-to-date weather information.
Change Month
Hamnøya in September - FAQ
What are the expected maximum and minimum temperatures in Hamnøya during September?
During September, expect a variety of temperatures with highs around 12° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hamnøya during September?
Significant rainfall exceeding 101.8 mm is expected in Hamnøya during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hamnøya during September?
The average wind speed in Hamnøya during September is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Hamnøya
Explore the daily rainfall trends and prepare for Hamnøyas September weather 💧
Typically, Hamnøya has 23 rainy days in September with a total of 101.8 mm of rainfall.
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Where is Hamnøya?Get accurate weather forecasts for Hamnøya, located at latitude 67.946 and longitude 13.133. Stay updated with localized weather information tailored for Hamnøya.
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