The climate in Buckingham during September can be summarized as warm, humid and a little damp.
September is in the fall / autumn in Buckingham and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 27°C (80°F), whilst at night 13°C (56°F) is normal.
| Daytime temperature | 26.6°C 79.9°F | 
|---|---|
| Nightly temperature | 13.4°C 56.1°F | 
| Average temperature | 20°C 68°F | 
| Daily sunshine | 8 hrs | 
| Avg rainfall | 88 mm 3.5 ins | 
| Rainy days | 8 days | 
| Sea temperature | 23.7°C 74.7°F | 
| Humidity | 74% | 
| Windspeed | 10.4kph 7 mph | 
On average September is the 6th wettest month of the year in Buckingham with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
 
				 
						 
						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 Buckingham in September 2025.
Best places to visit in September
| Hottest month: | July | 30.3°C 86.5°F | 
|---|---|---|
| Driest month: | January | 77mm 3ins | 
| Sunniest month: | June | 10.1hrs | 
| Coldest month: | January | 6.9°C 44.4°F | 
| Wettest month: | July | 107mm 4.2ins | 
 
	 
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