Mirriah in Fall
In fall (September, October and November), Mirriah sees average daytime highs around 35°C and overnight lows near 22°C, with 41 mm of rain over about 8 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 35°C. The sky is clear or mostly clear about 57% of the time across fall, and the air most often feels dry.
Fall is Mirriah's 2nd-best season to visit on our travel score. For the whole year in context, see Mirriah's year-round climate.
- Avg daytime high
- 35°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 41 mm
- 8 wet days
- Avg wind
- 12 km/h
- Travel score
- 2.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Mirriah in Fall
Across fall, daytime highs hold fairly steady around 35°C.
A typical fall day in Mirriah reaches about 35°C and drops to 22°C overnight. The warmest of the three months is October, the coolest November.
How fall really feels in Mirriah
Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Mirriah 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 | 29° / 14° | 0 | 0 | 11.3 | 7.1 |
| Feb | 33° / 17° | 0 | 0 | 11.5 | 4.9 |
| Mar | 37° / 21° | 0 | 0 | 11.9 | 2.1 |
| Apr | 40° / 25° | 1 | 0.3 | 12.3 | 0.2 |
| May | 40° / 27° | 6 | 1.9 | 12.6 | 0.1 |
| Jun | 38° / 27° | 15 | 4.2 | 12.8 | 1.1 |
| Jul | 34° / 25° | 73 | 13.1 | 12.7 | 2.6 |
| Aug | 32° / 24° | 135 | 16.5 | 12.5 | 3.3 |
| Sep | 35° / 24° | 37 | 6.6 | 12.1 | 2.8 |
| Oct | 37° / 23° | 4 | 0.9 | 11.7 | 2.1 |
| Nov | 34° / 19° | 0 | 0 | 11.4 | 3.9 |
| Dec | 30° / 15° | 0 | 0 | 11.2 | 6.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 57% of the time across fall.
Chance of precipitation in Fall
Mirriah gets around 41 mm of rain over 8 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 12 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 18 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 6.4 kWh/m².
Hazard calendar for Mirriah
In fall, Mirriah overlaps its dust season. The full year is below, with each hazard's peak months called out.
Mirriah sees dust haze year-round, heaviest in April.
Is fall a good time to visit Mirriah?
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 weaker month for outdoor sightseeing in Mirriah. The water and warmth also suit a beach or pool day.
What to pack for Mirriah in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Mirriah sees daytime highs around 35°C and nights near 22°C. Pack light clothes and sun protection. About 8 days see rain.
UV index in Mirriah in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mirriah peaks around August 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (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 | 11 | 12 | 9 | 10 | 12 | 13 | 12 | 11 | 9 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 11 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 7 | Very high |
Air quality in Mirriah 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 Mirriah is worst in February — around 103 µg/m³ PM2.5 (unhealthy), about 3.9× the cleanest month (August, 26 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) | 98 | 103 | 96 | 81 | 63 | 54 | 35 | 26 | 35 | 57 | 65 | 91 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 98 | Unhealthy |
| Feb | 103 | Unhealthy |
| Mar | 96 | Unhealthy |
| Apr | 81 | Unhealthy |
| May | 63 | Unhealthy |
| Jun | 54 | Poor |
| Jul | 35 | Moderate |
| Aug | 26 | Moderate |
| Sep | 35 | Poor |
| Oct | 57 | Unhealthy |
| Nov | 65 | Unhealthy |
| Dec | 91 | Unhealthy |
Where is Mirriah?
Mirriah sits at 13.7°N, 9.2°E, 407 m above sea level, in Niger. The nearest listed city is Zinder, 21 km away.
Topography around Mirriah
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mirriah.
Within 3 km, the terrain around Mirriah has only modest variations in elevation — a maximum elevation change of 47 m around an average of 413 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, significant variations in elevation — a maximum elevation change of 287 m.
The land around Mirriah is covered by grassland (60%) and cropland (30%) within 3 km, cropland (50%) and grassland (47%) within 16 km, and grassland (55%) and cropland (44%) within 80 km.
Niger travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type A / B / C / D / E / F
- 220 V · 50 Hz
- Prices
- ≈ 36% of US
- price level, 2025
- GDP per capita
- $775
- 2025
- Happiness
- 4.9 / 10
- World Happiness, 2025
- Homicide rate
- 4.4
- per 100k, 2012
- Road deaths
- 25.5
- per 100k/yr, 2019
- Income group
- Low
- 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 Mirriah (13.7073°, 9.1501°, elevation 407 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.