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Rapale fire, 2 September 2025 Rapale, Murrupula

Out · last detection 26 Sept 2025, 10:31 UTC

The fire started on 2 September 2025 in Rapale, Mozambique, and satellites saw it burning for 24 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 26,065 hectares from heat detections, spread across 2 municipalities.

It is the 12th largest in Nampula since 2016 (of 392 with a page). Number 16 in Mozambique in 2025, of 313.

Compare with…
Burnt area
26,065ha
GWIS perimeter (Copernicus)
Duration
24days
2 Sept 2025 – 25 Sept 2025
Municipalities hit
2
districts
Started on
2 Sept
2025
Heat detections
792
in a single hotspot: 79 MW
Danger at start
38
High · FWI index
Average daily power
326MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 2 Sept25 Sept
26 Sept 2025

How it evolved, day by day

2 Sept 2025 · 123 MW · 5 3 Sept 2025 · 163 MW · 20 4 Sept 2025 · 220 MW · 14 5 Sept 2025 · 2 MW · 1 6 Sept 2025 · 20 MW · 4 7 Sept 2025 · 400 MW · 25 9 Sept 2025 · 111 MW · 17 10 Sept 2025 · 561 MW · 43 11 Sept 2025 · 448 MW · 42 12 Sept 2025 · 395 MW · 42 13 Sept 2025 · 353 MW · 33 14 Sept 2025 · 104 MW · 21 15 Sept 2025 · 316 MW · 34 16 Sept 2025 · 404 MW · 43 17 Sept 2025 · 572 MW · 61 18 Sept 2025 · 561 MW · 52 19 Sept 2025 · 553 MW · 54 20 Sept 2025 · 76 MW · 10 21 Sept 2025 · 135 MW · 36 22 Sept 2025 · 1,279 MW · 118 23 Sept 2025 · 369 MW · 26 24 Sept 2025 · 205 MW · 25 25 Sept 2025 · 437 MW · 33 26 Sept 2025 · 5 MW · 1
2 Sept 6 Sept 11 Sept 15 Sept 19 Sept 22 Sept 23 Sept

Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.

The weather it burned in

34°high
42km/h · peak gust
23%lowest humidity

It had gone 22 days without rain (1 mm or more) when it started. Rain came after the fire: 2.1 mm on 1 Oct.

This area had burned before

98% of the perimeter overlaps earlier fires recorded since 2016: 15,032 ha in 2016, 10,806 ha in 2017, 12,688 ha in 2018, 10,333 ha in 2019, 11,206 ha in 2020, 11,859 ha in 2021, 8,837 ha in 2022, 3,401 ha in 2023, 4,397 ha in 2024. Part of it burned more than once, so the yearly figures add up to more than the 25,419 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 16% of the area of London (261 km² against 1,583 km²).

London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).

This compares size, not location: both shapes are at the same scale, north up, centred on each other.

What happened to each town

  1. Rapale where it started
    20,020 ha reached on 26 Aug
    5.4 %
  2. 6,194 ha reached on 26 Aug
    2.0 %

Burnt area inside each municipality, from crossing the GWIS perimeter with administrative boundaries. The distance runs from the point marking the centre of each area to the nearest fire: staying a kilometre away does not mean it reached the houses.

People and buildings inside the perimeter

GHSL 2025
Built-up area34 ha
Residents≈ 4,800

Inside the perimeter there were about 34 hectares of built-up land and about 4,800 residents (GHSL 2025, satellite-based estimate).

This is an estimate on 100 m cells, made from satellite imagery and census data: it does not mean that homes burned or that anyone was harmed. The perimeter also contains land that never burned. The GHSL 2025 epoch is a projection made from 2020 and earlier data.

Source: Global Human Settlement Layer (GHS-BUILT-S and GHS-POP R2023A), European Commission Joint Research Centre (JRC), © European Union, CC BY 4.0. Sum inside the perimeter computed by WorldFires. human-settlement.emergency.copernicus.eu

The weather day by day

ECMWF ERA5 reanalysis at the fire location, the standard reference for past weather, and the Canadian Fire Weather Index (the same system Copernicus uses), computed by WorldFires from that data. Days after the fire run until the first rain.

Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

Day High Min. humidity Peak gust Rain Danger (FWI)
26 Aug 30.5 °C 26 % 35 km/h 0.0 mm High 38
27 Aug 29.7 °C 32 % 30 km/h 0.0 mm High 33
28 Aug 29.7 °C 33 % 30 km/h 0.0 mm High 32
29 Aug 29.4 °C 37 % 31 km/h 0.0 mm High 30
30 Aug 31.2 °C 28 % 31 km/h 0.0 mm High 31
31 Aug 30.9 °C 26 % 28 km/h 0.0 mm High 33
1 Sept 28.9 °C 33 % 28 km/h 0.1 mm High 32
2 Sept 28.6 °C 37 % 35 km/h 0.1 mm High 33
3 Sept 29.6 °C 32 % 26 km/h 0.0 mm High 30
4 Sept 31.6 °C 27 % 27 km/h 0.0 mm High 33
5 Sept 29.5 °C 38 % 25 km/h 0.0 mm High 30
6 Sept 31.9 °C 25 % 31 km/h 0.1 mm High 35
7 Sept 30.3 °C 27 % 42 km/h 0.0 mm Very high 38
8 Sept 29.4 °C 43 % 31 km/h 0.4 mm High 29
9 Sept 31.5 °C 33 % 34 km/h 0.0 mm High 31
10 Sept 31.5 °C 31 % 32 km/h 0.0 mm High 31
11 Sept 30.7 °C 30 % 40 km/h 0.0 mm High 34
12 Sept 30.6 °C 30 % 37 km/h 0.0 mm High 33
13 Sept 30.5 °C 29 % 27 km/h 0.0 mm High 33
14 Sept 31.9 °C 28 % 33 km/h 0.0 mm High 36
15 Sept 30.2 °C 36 % 30 km/h 0.0 mm High 34
16 Sept 31.3 °C 30 % 32 km/h 0.0 mm High 34
17 Sept 33.6 °C 23 % 41 km/h 0.0 mm Very high 42
18 Sept 33.9 °C 26 % 30 km/h 0.0 mm Very high 39
19 Sept 31.7 °C 38 % 33 km/h 0.0 mm High 36
20 Sept 29.2 °C 39 % 41 km/h 0.0 mm High 34
21 Sept 30.6 °C 35 % 41 km/h 0.0 mm High 37
22 Sept 32.8 °C 28 % 30 km/h 0.0 mm High 36
23 Sept 33.1 °C 29 % 38 km/h 0.0 mm High 36
24 Sept 32.2 °C 29 % 35 km/h 0.0 mm High 35
25 Sept 31.9 °C 28 % 35 km/h 0.0 mm Very high 39
26 Sept after 29.8 °C 36 % 40 km/h 0.0 mm Very high 38
27 Sept after 27.0 °C 50 % 39 km/h 0.8 mm High 22
28 Sept after 31.1 °C 35 % 28 km/h 0.0 mm High 29
29 Sept after 33.1 °C 31 % 38 km/h 0.0 mm High 36
30 Sept after 31.6 °C 33 % 34 km/h 0.0 mm High 36
1 Oct after 27.2 °C 50 % 48 km/h 2.1 mm Moderate 14

Before and after, from space

Drag the line to compare the same ground before the fire and after it.

Before · 26 Aug 2025
After · 2 Oct 2025

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

The smoke

CAMS · Copernicus

On 12 September 2025 the air beside the fire reached 44 µg/m³ of PM2.5. That day averaged 21: 1.4 times the WHO daily guideline (15).

PM2.5 peak44 µg/m³
Days over the guideline5 days
PM1046 µg/m³
Optical depth0.76
3112345678910111213141516171819202122232425262728
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Detections table · 792Every satellite heat detection, one by one, with time, satellite, power and coordinates.
⬇ Download CSV Times in UTC. Each detection is a 375 m pixel: a large fire yields hundreds per pass.
Date and timeSatelliteFRP (MW)LatLon

Other fires nearby

All fires in Mozambique ›

Frequently asked questions

How long did the Rapale fire last?
GWIS (Copernicus) dates it between 2 September 2025 and 25 September 2025: 24 days between the first and last heat detection of the perimeter.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 26,065 hectares (260.6 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Rapale (20,020 ha, 5.4 %); Murrupula (6,194 ha, 2.0 %).
What was the weather like?
During the fire the temperature reached 33.9 °C, humidity dropped to 23 % and gusts hit 42 km/h. The fire danger index (FWI) reached 42, class Very high.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Mozambique (geoBoundaries). It is not an official report.

Where to verify it

A satellite detection is not an official report. Final figures and the fire’s status are published by each country’s emergency service.

Satellite cross-check

History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.

No changes since 24 October 2026.

RSS Changes to this page

Does something look wrong on this page?

This page is built from satellite data and official records, and it sometimes gets things wrong: the wrong dates, the wrong town, two fires merged into one, or something that was not a wildfire at all. If you know this fire first-hand (you live nearby, saw it, fought it or reported on it), tell us what really happened and we will check it.

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How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates from the perimeter: the VIIRS detections inside it did not change them. 792 Suomi-NPP VIIRS detections on those dates.
  • We have not matched this page with any official record.
  • Weather: Copernicus ERA5 reanalysis at the fire location, in cells of about 25 km.
  • Built-up area and population come from the JRC Global Human Settlement Layer (epoch 2025, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.

How we build fire pages: methodology ›

Where this data comes from

The perimeter comes from the Copernicus Global Wildfire Information System (GWIS), which rebuilds it from MODIS and VIIRS heat detections and publishes it under CC BY 4.0. It is not measured on imagery as in Europe, so it is an estimate. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. Municipal boundaries come from geoBoundaries ADM2 (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ from each country’s official figure.