Weather & Local Conditions
13°C
Overcast
Updated: 12 Sep 2026, 3:21am
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Packing Tip: UK weather can turn quickly, so pack layers whatever the forecast. A waterproof and sturdy shoes mean the whole group can head out whatever September throws at you.
What to Expect Through the Year
- ✓ May - September: Warmest, longest days - ideal for big group days out, gardens and BBQs
- ✓ October - November: Crisp autumn colour, cosy evenings by the fire, quieter attractions
- ✓ December - February: Perfect for a snug winter escape - great for Christmas and New Year gatherings
- ✓ March - April: Spring blooms, longer evenings returning, wildlife becoming active
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Rainy Day Tip: A large cottage comes into its own on wet days - board games, a long lunch and a film with the whole group beat a cramped hotel any day. Check the tabs here for nearby pubs and attractions with indoor options.
Dark Skies & Stargazing
The Old Watermill sits in a location with genuinely dark skies - a real treat for a group, and something you rarely get at home in town.
Bortle Scale Rating
The Bortle scale measures night sky darkness from 1 (darkest) to 9 (brightest urban):
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Class 4 - Rural/suburban transition
This location's dark sky rating
What You Can See From the Cottage
The Milky Way is visible overhead, though light domes may be visible on the horizon towards larger towns.
The Milky Way is visible on clear, moonless nights.
Best Stargazing Conditions
- ✓ New Moon periods: Darkest skies, best Milky Way visibility
- ✓ Winter months: Earlier darkness, crisper skies, Orion constellation prominent
- ✓ After 11pm: Neighbouring lights typically switched off
- ✓ Allow 20 minutes: Let your eyes adjust to darkness before looking up
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Pro Tip: Download a stargazing app like "Sky Map" or "Star Walk" before arrival. Mobile signal can be limited, and these apps work offline - a fun activity to share with the whole group.
Location & Elevation
100m
(328 feet above sea level)
The Old Watermill sits in a peaceful Cornwall setting - space to spread out and the perfect base for a group getaway.
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St Mabyn
Nearest Village
What the Elevation Means for Your Stay
- ✓ Fresher air: Expect it a touch cooler than coastal areas - bracing walks and restful sleep
- ✓ Clearer air: Less pollution and haze, better views and stargazing
- ✓ Morning mists: Valley fog sometimes forms below, creating magical sunrise views
- ✓ Walking access: Higher starting point means shorter climbs to hilltops and summits
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Driving Note: The roads to St Mabyn are typical Cornwall lanes - narrow in places with passing spots. If the group is arriving in several cars, share the postcode and a meeting point in advance.
Coordinates
Latitude: 50.5246921° N | Longitude: 4.758303° W
Sunrise & Sunset Times
Today's sun times for St Mabyn (Saturday, 12 September 2026):
Planning Your Days by Season
- ✓ Summer (Jun-Aug): Sunset around 9:30-10pm - long days for group walks, days out and late alfresco dinners
- ✓ Autumn (Sep-Nov): Sunset 5-7pm - perfect timing for an after-dinner drink as the stars come out
- ✓ Winter (Dec-Feb): Sunset around 4pm - cosy early evenings by the fire, ideal for stargazing
- ✓ Spring (Mar-May): Sunset 6-9pm - watch the evenings grow longer each day
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Golden Hour: For the best light, plan your group photo or evening walk around golden hour (5:42pm). The warm colours make for lovely holiday photos before you head back in for dinner.
September Daylight
This month in St Mabyn, you have approximately 12.89 hours of daylight. The shortening days create the perfect excuse for earlier, cosier evenings in.
Practical Essentials
Everything the group needs to know before you arrive at The Old Watermill.
Mobile Phone Signal
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Signal Strength
Good
Mobile signal is generally good in this area across most networks.
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Signal Tip: All major networks should work well here.
Nearest Essentials
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Arrival Tip: Fill up with fuel before you arrive - petrol stations can be sparse in rural Cornwall. With a larger group it's worth doing one big supermarket shop on the way, especially if arriving late.
Family & Fun
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