Alloa Weather in September
What's the weather like in Alloa (Scotland) in September 2025?
The climate in Alloa during September can be summarized as mild and a little damp.
September is in the fall / autumn in Alloa and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 16.2°C 61.2°F |
|---|---|
| Nightly temperature | 8.6°C 47.5°F |
| Average temperature | 12.4°C 54.3°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 18 days |
| Sea temperature | 13.1°C 55.6°F |
| Humidity | 84% |
| Windspeed | 14.8kph 9 mph |
On average September is the wettest month of the year in Alloa with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 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 Alloa
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 Alloa in September 2025.
Other monthly averages
Best places to visit in September
Alloa weather stats
| Hottest month: | July | 18.9°C 66°F |
|---|---|---|
| Driest month: | April | 47mm 1.9ins |
| Sunniest month: | May | 5.9hrs |
| Coldest month: | January | 5.9°C 42.6°F |
| Wettest month: | September | 96mm 3.8ins |
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