Saint Peter Port Weather in September
Guernsey · September climate averages and travel tips
Avg high18°C (64°F)
Avg low16°C (61°F)
Rainfall55 mm (2.2 in)
RatingExcellent 8.5/10
In September, Saint Peter Port has average highs of 18°C (64°F) and lows of 16°C (61°F). September is autumn (fall) in Guernsey. The month is fairly dry, with about 55 mm (2.2 in) of rain spread over 10 days. You get roughly 12.3 hours of daylight and frequently cloudy skies.
Is September a good time to visit Saint Peter Port?
Yes — September is one of the best months to visit Saint Peter Port. The weather rates excellent (8.5/10) on our comfort score.
September weather at a glance
| Average high | 18°C (64°F) |
|---|---|
| Average low | 16°C (61°F) |
| Daily mean | 17°C (62°F) |
| Rainfall | 55 mm (2.2 in) |
| Rainy days (1 mm+) | 10 |
| Humidity | 83% |
| Cloud cover | 69% |
| Daylight | 12.3 hours |
| Est. sunshine | 4.2 hours/day |
| Wind | 19.9 km/h |
| vs August | About as warm as August, with similar rainfall. |
What to pack for Saint Peter Port in September
- a warm jacket and layers
- an umbrella or rain jacket
Saint Peter Port weather in other months
Jan10°C / 8°C96 mmPoorFeb9°C / 8°C79 mmPoorMar10°C / 8°C68 mmFairApr11°C / 9°C46 mmFairMay13°C / 11°C53 mmGoodJun15°C / 14°C50 mmGoodJul17°C / 16°C44 mmExcellentAug18°C / 17°C52 mmExcellentSep18°C / 16°C55 mmExcellentOct16°C / 15°C94 mmFairNov13°C / 12°C114 mmPoorDec11°C / 10°C107 mmPoor
← AugustBest time to visit Saint Peter PortOctober →
Better weather in September nearby
- Berlin21°C · 44 mm · Excellent
- Budapest24°C · 57 mm · Excellent
- Marseille27°C · 50 mm · Excellent
- Lisbon23°C · 24 mm · Excellent
- Nice23°C · 54 mm · Excellent
- Porto24°C · 52 mm · Excellent
Nearby in September
- Saint Helier19°C · 53 mm
- Bath19°C · 60 mm
- London20°C · 49 mm
- Birmingham19°C · 57 mm
- Paris22°C · 49 mm
- Liverpool17°C · 84 mm
Where else is good in September? See where to go in September.