The climate in Holboo during September can be summarized as cool and dry.
September is in the fall / autumn in Holboo and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 1°C (34°F) is normal.
| Daytime temperature | 15.3°C 59.5°F | 
|---|---|
| Nightly temperature | 1.3°C 34.3°F | 
| Average temperature | 8.3°C 46.9°F | 
| Daily sunshine | 9.3 hrs | 
| Avg rainfall | 27 mm 1.1 ins | 
| Rainy days | 8 days | 
| Sea temperature | 14.3°C 57.8°F | 
| Humidity | 57% | 
| Windspeed | 5.8kph 4 mph | 
On average September is the 4th wettest month of the year in Holboo with around 27mm 1.1 inches of rain making it a dry 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 9.3 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 Holboo in September 2025.
Best places to visit in September
| Hottest month: | July | 22°C 71.6°F | 
|---|---|---|
| Driest month: | February | 3mm 0.1ins | 
| Sunniest month: | September | 9.3hrs | 
| Coldest month: | January | -20.7°C -5.3°F | 
| Wettest month: | July | 66mm 2.6ins |