Newtown Saint Boswells Weather in September
What's the weather like in Newtown Saint Boswells (Scotland) in September 2025?
The climate in Newtown Saint Boswells during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Newtown Saint Boswells and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 15.4°C 59.6°F |
|---|---|
| Nightly temperature | 7.9°C 46.1°F |
| Average temperature | 11.6°C 52.9°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 72 mm 2.8 ins |
| Rainy days | 17 days |
| Sea temperature | 13.6°C 56.4°F |
| Humidity | 86% |
| Windspeed | 15.8kph 10 mph |
On average September is the 6th wettest month of the year in Newtown Saint Boswells with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
September temperatures in Newtown Saint Boswells
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Newtown Saint Boswells in September 2025.
Other monthly averages
Best places to visit in September
Newtown Saint Boswells weather stats
| Hottest month: | July | 18°C 64.4°F |
|---|---|---|
| Driest month: | April | 50mm 2ins |
| Sunniest month: | May | 5.9hrs |
| Coldest month: | January | 4.9°C 40.8°F |
| Wettest month: | January | 81mm 3.2ins |
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