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Sertã

City in Castelo Branco, Portugal

Overview

Sertã is a charming small town in the Castelo Branco district of central Portugal, known for its beautiful river, lush surroundings, and welcoming community. It blends traditional Portuguese heritage with peaceful nature, making it ideal for relaxation and outdoor activities.

Geographic Context

Jurisdiction
Portugal
District
Castelo Branco
Population
15,880
Time Zone
Europe/Lisbon
Coordinates
39.80°, -8.10°

Key Metrics

Safety Score · estimate
87
Female Safety
82
LGBTQ+ Safety
75
Traffic Safety
84
Food Safety
95
Monthly Cost · estimate
$1,356
Local Cost
$792
Local Income
$900
Cashless
55
English
45
Temperature
14.2°C
Summer Avg
21.4°C
Winter Avg
7.4°C
Record High
42.2°C
Record Low
-5.3°C
Humidity
74%
Precipitation
845 mm
Internet Speed
155 Mbps
Upload
137 Mbps
Latency
8 ms
City Vibrancy
19
Coworking
0
Cafes
8
Nightlife
5
Parks
6
Transport
54
Walk Score
54
Footways
107.0
Airport
—
Distance
—

Neighborhoods

Estimated

Neighborhood highlights with vibe, safety, and cost profiles.

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Data sources

Source-backed data

Ookla Open Data - Internet speed aggregates for 2024Q3 from 7 tests. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.

Estimates and unverified origins

Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 73/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.

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