Donghol-Sigon in Fall
In fall (September, October and November), Donghol-Sigon sees average daytime highs around 29°C and overnight lows near 19°C, with 501 mm of rain over about 53 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 27°C in early September to 31°C by late November. The sky is clear or mostly clear about 21% of the time across fall, and the air most often feels muggy.
Fall is Donghol-Sigon's 2nd-best season to visit on our travel score. For the whole year in context, see Donghol-Sigon's year-round climate.
- Avg daytime high
- 29°C
- 3rd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 501 mm
- 53 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Donghol-Sigon in Fall
Over the season highs climb from about 27°C in early September to 31°C by late November.
A typical fall day in Donghol-Sigon reaches about 29°C and drops to 19°C overnight. The warmest of the three months is November, the coolest November.
How fall really feels in Donghol-Sigon
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Donghol-Sigon weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 17° | 1 | 0.3 | 11.4 | 5.8 |
| Feb | 33° / 18° | 1 | 0.3 | 11.6 | 4.8 |
| Mar | 34° / 20° | 4 | 0.8 | 11.9 | 3.8 |
| Apr | 35° / 22° | 11 | 2.8 | 12.3 | 3.2 |
| May | 33° / 22° | 97 | 12.5 | 12.5 | 3.2 |
| Jun | 29° / 21° | 242 | 24.5 | 12.7 | 3.4 |
| Jul | 27° / 20° | 373 | 29.1 | 12.6 | 3.5 |
| Aug | 27° / 20° | 409 | 30 | 12.4 | 3.4 |
| Sep | 28° / 20° | 329 | 28.7 | 12.1 | 3.3 |
| Oct | 30° / 19° | 153 | 20.9 | 11.7 | 3.9 |
| Nov | 31° / 18° | 19 | 3 | 11.5 | 5.4 |
| Dec | 31° / 17° | 2 | 0.5 | 11.3 | 5.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 21% of the time across fall.
Chance of precipitation in Fall
Donghol-Sigon gets around 501 mm of rain over 53 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early September to 11 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.3 kWh/m².
Hazard calendar for Donghol-Sigon
In fall, Donghol-Sigon overlaps its monsoon and dust season. The full year is below, with each hazard's peak months called out.
Donghol-Sigon's monsoon runs June–September, when most of the year's rain falls.
Donghol-Sigon sees seasonal dust haze (February–June), heaviest in June.
Is fall a good time to visit Donghol-Sigon?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Donghol-Sigon for sightseeing.
What to pack for Donghol-Sigon in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Donghol-Sigon sees daytime highs around 29°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 53 days see rain.
UV index in Donghol-Sigon in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Donghol-Sigon peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 12 | 14 | 13 | 11 | 12 | 12 | 14 | 13 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Donghol-Sigon in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Donghol-Sigon is worst in December — around 77 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (August, 13 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 57 | 53 | 50 | 77 | 47 | 26 | 17 | 13 | 17 | 32 | 50 | 77 |
| Level | Unhealthy | Poor | Poor | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 57 | Unhealthy |
| Feb | 53 | Poor |
| Mar | 50 | Poor |
| Apr | 77 | Unhealthy |
| May | 47 | Poor |
| Jun | 26 | Moderate |
| Jul | 17 | Moderate |
| Aug | 13 | Moderate |
| Sep | 17 | Moderate |
| Oct | 32 | Moderate |
| Nov | 50 | Poor |
| Dec | 77 | Unhealthy |
Where is Donghol-Sigon?
Donghol-Sigon sits at 11.8°N, 12.2°W, 940 m above sea level, in Guinea. The nearest listed city is Labé, 54 km away.
Topography around Donghol-Sigon
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Donghol-Sigon.
Within 3 km, the terrain around Donghol-Sigon has significant variations in elevation — a maximum elevation change of 353 m around an average of 885 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 861 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,449 m.
The land around Donghol-Sigon is covered by grassland (57%) and trees (34%) within 3 km, trees (49%) and grassland (45%) within 16 km, and trees (49%) and grassland (33%) within 80 km.
Guinea travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / K
- 220 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $1,877
- 2025
- Happiness
- 4.6 / 10
- World Happiness, 2025
- Road deaths
- 29.7
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Donghol-Sigon (11.8°, -12.2167°, elevation 940 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.