Northumberland (Berwick-Upon-Tweed)
September
Weather in Northumberland for September 2026
Your guide to Northumberland weather in September - trends and predictions
In general, the average temperature in Northumberland at the beginning of September is 15.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.6 °C by the end of September.
The climate of Northumberland in September is notably wet, with an average of 15 rainy days, and a total of 58.5 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
13°/10°
Temperatures
25 km/h
Avg max wind
80 %
Avg humidity
Northumberland Weather September
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Temperatures trend during September in Northumberland
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September weather in Northumberland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 15° /12° | 2.8 mm | 4 | |
| 2 Sept. |  Heavy rain at times | 17° /12° | 5 mm | 4 | |
| 3 Sept. | Heavy rain at times | 15° /11° | 10.1 mm | 4 | |
| 4 Sept. | Patchy rain possible | 15° /10° | 1.6 mm | 4 | |
| 5 Sept. | Patchy rain possible | 15° /11° | 0.9 mm | 4 | |
| 6 Sept. |  Overcast | 16° /12° | 0 mm | 5 | |
| 7 Sept. |  Cloudy | 17° /13° | 1.1 mm | 4 | |
| 8 Sept. |  Moderate rain at times | 15° /11° | 5.1 mm | 4 | |
| 9 Sept. | Patchy rain possible | 15° /10° | 0.9 mm | 4 | |
| 10 Sept. | Patchy rain possible | 15° /9° | 6 mm | 4 | |
| 11 Sept. | Patchy rain possible | 13° /9° | 0.6 mm | 3 | |
| 12 Sept. | Patchy rain possible | 13° /8° | 0.3 mm | 4 | |
| 13 Sept. | Patchy rain possible | 13° /7° | 1.7 mm | 3 | |
| 14 Sept. | Moderate rain at times | 15° /9° | 3.1 mm | 4 | |
| 15 Sept. | Overcast | 15° /11° | 2.9 mm | 4 | |
| 16 Sept. |  Partly cloudy | 15° /10° | 0.6 mm | 4 | |
| 17 Sept. |  Sunny | 17° /11° | 0.3 mm | 5 | |
| 18 Sept. | Sunny | 16° /11° | 0.6 mm | 5 | |
| 19 Sept. | Sunny | 16° /11° | 4.2 mm | 5 | |
| 20 Sept. | Patchy rain possible | 13° /11° | 23.6 mm | 3 | |
| 21 Sept. | Patchy rain possible | 13° /9° | 1.3 mm | 3 | |
| 22 Sept. | Patchy rain possible | 13° /8° | 0.1 mm | 3 | |
| 23 Sept. | Patchy rain possible | 12° /8° | 0.1 mm | 4 | |
| 24 Sept. | Moderate rain at times | 13° /8° | 4.1 mm | 3 | |
| 25 Sept. | Patchy rain possible | 12° /8° | 0.2 mm | 4 | |
| 26 Sept. | Heavy rain at times | 12° /9° | 2.5 mm | 3 | |
| 27 Sept. | Patchy rain possible | 12° /8° | 2.9 mm | 3 | |
| 28 Sept. | Patchy rain possible | 12° /7° | 0.2 mm | 3 | |
| 29 Sept. | Overcast | 13° /8° | 0 mm | 3 | |
| 30 Sept. | Patchy rain possible | 14° /10° | 0.7 mm | 4 | |
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Important Notice
Our weather forecast for Northumberland 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 Northumberland forecast closer to your planned date for the most up-to-date weather information.
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Northumberland in September - FAQ
What are the expected maximum and minimum temperatures in Northumberland during September?
During September, expect a variety of temperatures with highs around 13° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Northumberland during September?
Moderate rainfall is anticipated in Northumberland during September, with a total of 58.5 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Northumberland during September?
The average wind speed in Northumberland during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Northumberland
Explore the daily rainfall trends and prepare for Northumberlands September weather 💧
Typically, Northumberland has 15 rainy days in September with a total of 58.5 mm of rainfall.
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