Réo weather in September

In September, Réo sees average daytime highs of 31°C and overnight lows near 23°C, with 134 mm of rain across 17 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 24% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Réo's 10th-clearest and 12th-windiest month. For the whole year in context, see Réo's year-round climate.

Daytime high: 31°; 11th warmest
Overnight low: 23°; 6th coldest
Rainfall: 134 mm; 17 wet days
Daylight: 12 h 06 min; 6:02 AM – 6:06 PM
Cloud cover: 61%; 10th clearest
Wind: 7 km/h; 12th windiest
Solar energy: 5.73 kWh/m²
Travel score: 3.6; out of 10

← August Réo year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical September day in Réo reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	30	30	30	30	30	31	31	31	31	31	31	31	31	31	31	31	31	31	31	32	32	32	32	32	32	32	32	32	32	33
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	24	24	24

	Avg high (°C)	Avg low (°C)
1	30	23
2	30	23
3	30	23
4	30	23
5	30	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	24
29	32	24
30	33	24

How September really feels in Réo

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Réo weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	32° / 18°	0	0.1	11.4	5.3
Feb	35° / 21°	1	0.2	11.6	3.4
Mar	37° / 24°	3	0.8	11.9	1.6
Apr	38° / 26°	12	3.1	12.3	1.0
May	37° / 27°	33	7.8	12.6	1.7
Jun	34° / 25°	56	10.1	12.7	3.0
Jul	31° / 24°	140	18.2	12.7	3.5
Aug	30° / 23°	225	23.1	12.4	3.4
Sep	31° / 23°	134	17	12.1	3.6
Oct	34° / 23°	33	6.6	11.7	3.3
Nov	35° / 20°	1	0.2	11.4	3.3
Dec	33° / 18°	0	0	11.3	4.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	28	29	29	31	32	33	35	36	38	39	41	42	44	45	46	48	48	51	52	54	55	56	58	59	59	61	62	62	64	64
Cloudier (%)	72	71	71	69	68	67	65	64	62	61	59	58	56	55	54	52	52	49	48	46	45	44	42	41	41	39	38	38	36	36

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	31	69
5	32	68
6	33	67
7	35	65
8	36	64
9	38	62
10	39	61
11	41	59
12	42	58
13	44	56
14	45	55
15	46	54
16	48	52
17	48	52
18	51	49
19	52	48
20	54	46
21	55	45
22	56	44
23	58	42
24	59	41
25	59	41
26	61	39
27	62	38
28	62	38
29	64	36
30	64	36

Chance of precipitation in September

Any precipitation

Réo gets around 134 mm of rain over 17 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 57% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	71	71	70	69	69	68	68	67	66	66	65	64	63	62	60	59	58	56	54	53	51	49	47	45	44	42	40	39	38	37

	Rain chance (%)
1	71
2	71
3	70
4	69
5	69
6	68
7	68
8	67
9	66
10	66
11	65
12	64
13	63
14	62
15	60
16	59
17	58
18	56
19	54
20	53
21	51
22	49
23	47
24	45
25	44
26	42
27	40
28	39
29	38
30	37

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Muggy (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2	3
Oppressive (%)	98	98	98	97	97	97	97	96	96	96	95	95	94	93	93	92	92	91	91	90	90	90	90	89	89	90	90	90	90	90
Miserable (%)	2	2	2	3	3	3	3	4	4	4	5	5	6	7	7	8	8	9	9	10	10	10	10	10	10	9	9	8	8	7

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	98	2
2	0	98	2
3	0	98	2
4	0	97	3
5	0	97	3
6	0	97	3
7	0	97	3
8	0	96	4
9	0	96	4
10	0	96	4
11	0	95	5
12	0	95	5
13	0	94	6
14	0	93	7
15	0	93	7
16	0	92	8
17	0	92	8
18	0	91	9
19	0	91	9
20	0	90	10
21	0	90	10
22	0	90	10
23	0	90	10
24	1	89	10
25	1	89	10
26	1	90	9
27	1	90	9
28	2	90	8
29	2	90	8
30	3	90	7

Wind in September

Winds average 7 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over September. Sunrise moves from 6:02 AM to 6:02 AM, and sunset from 6:17 PM to 5:56 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9	11.9
Sunrise (AM)	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02
Sunset (PM)	6:17	6:16	6:15	6:15	6:14	6:13	6:13	6:12	6:11	6:11	6:10	6:09	6:08	6:08	6:07	6:06	6:06	6:05	6:04	6:03	6:03	6:02	6:01	6:00	6:00	5:59	5:58	5:58	5:57	5:56

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	6:02	6:17
2	12.2	6:02	6:16
3	12.2	6:02	6:15
4	12.2	6:02	6:15
5	12.2	6:02	6:14
6	12.2	6:02	6:13
7	12.2	6:02	6:13
8	12.2	6:02	6:12
9	12.1	6:02	6:11
10	12.1	6:02	6:11
11	12.1	6:02	6:10
12	12.1	6:02	6:09
13	12.1	6:02	6:08
14	12.1	6:02	6:08
15	12.1	6:02	6:07
16	12.1	6:02	6:06
17	12.1	6:02	6:06
18	12.0	6:02	6:05
19	12.0	6:02	6:04
20	12.0	6:02	6:03
21	12.0	6:02	6:03
22	12.0	6:02	6:02
23	12.0	6:02	6:01
24	12.0	6:02	6:00
25	12.0	6:02	6:00
26	12.0	6:02	5:59
27	11.9	6:02	5:58
28	11.9	6:02	5:58
29	11.9	6:02	5:57
30	11.9	6:02	5:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.73 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 6.72 kWh/m² in March across the year — September's 5.73 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.0	6.1
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.2	Bright
2	5.2	Bright
3	5.3	Bright
4	5.3	Bright
5	5.3	Bright
6	5.4	Bright
7	5.4	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.6	Bright
12	5.6	Bright
13	5.7	Bright
14	5.7	Bright
15	5.7	Bright
16	5.7	Bright
17	5.8	Bright
18	5.8	Bright
19	5.8	Bright
20	5.8	Bright
21	5.9	Bright
22	5.9	Bright
23	5.9	Bright
24	6.0	Bright
25	6.0	Bright
26	6.0	Intense
27	6.0	Intense
28	6.0	Intense
29	6.0	Intense
30	6.1	Intense

Planning a trip in September

Hazard calendar for Réo

In seasonPeak

In September, Réo sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Réo's monsoon runs July–September, when most of the year's rain falls.

Réo sees seasonal dust haze (February–June), heaviest in March.

Monsoon

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Réo?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.6

Sightseeing

3rd-best month of the year

5.4

Beach & pool

7th-best month of the year

September is a weaker month for outdoor sightseeing in Réo.

What to pack for Réo in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Réo sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Réo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Réo peaks around March 16 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	11	14	11	11	11	11	12	12	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	11	Extreme
Mar	14	Extreme
Apr	11	Extreme
May	11	Extreme
Jun	11	Extreme
Jul	11	Extreme
Aug	12	Extreme
Sep	12	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	8	Very high

Air quality in Réo in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Réo is worst in February — around 74 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (August, 15 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)	63	74	70	52	28	22	16	15	21	32	43	57
Level	Unhealthy	Unhealthy	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	63	Unhealthy
Feb	74	Unhealthy
Mar	70	Unhealthy
Apr	52	Poor
May	28	Moderate
Jun	22	Moderate
Jul	16	Moderate
Aug	15	Moderate
Sep	21	Moderate
Oct	32	Moderate
Nov	43	Poor
Dec	57	Unhealthy

Location & terrain

Where is Réo?

Réo sits at 12.3°N, 2.5°W, 300 m above sea level, in Burkina Faso. The nearest listed city is Koudougou, 14 km away.

Topography around Réo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Réo.

Within 3 km, the terrain around Réo has only modest variations in elevation — a maximum elevation change of 52 m around an average of 301 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 265 m; within 80 km, significant variations in elevation — a maximum elevation change of 300 m.

The land around Réo is covered by grassland (43%) and cropland (23%) within 3 km, grassland (51%) and cropland (28%) within 16 km, and cropland (39%), grassland (36%) and shrubs (24%) within 80 km.

3 km

52 m

grassland 43%

16 km

265 m

grassland 51%

80 km

300 m

cropland 39%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← August Réo year-round climate October →Best places to visit in September

September weather nearby: Koudougou 14 km · Sabou 38 km · Tita 45 km · Kindi 49 km · Kokologo 66 km · Toma 67 km · Boussé 73 km · Yako 75 km

Burkina Faso travel facts

Travel advisory: Level 4; Do Not Travel
Power plugs: Type C / E; 220 V · 50 Hz
Prices: ≈ 37% of US; price level, 2025
GDP per capita: $1,148; 2025
Happiness: 4.5 / 10; World Happiness, 2025
Homicide rate: 1.3; per 100k, 2017
Road deaths: 31; 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 Réo (12.3196°, -2.4709°, elevation 300 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	30	23
2	30	23
3	30	23
4	30	23
5	30	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	24
29	32	24
30	33	24

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	31	69
5	32	68
6	33	67
7	35	65
8	36	64
9	38	62
10	39	61
11	41	59
12	42	58
13	44	56
14	45	55
15	46	54
16	48	52
17	48	52
18	51	49
19	52	48
20	54	46
21	55	45
22	56	44
23	58	42
24	59	41
25	59	41
26	61	39
27	62	38
28	62	38
29	64	36
30	64	36

	Rain chance (%)
1	71
2	71
3	70
4	69
5	69
6	68
7	68
8	67
9	66
10	66
11	65
12	64
13	63
14	62
15	60
16	59
17	58
18	56
19	54
20	53
21	51
22	49
23	47
24	45
25	44
26	42
27	40
28	39
29	38
30	37

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	98	2
2	0	98	2
3	0	98	2
4	0	97	3
5	0	97	3
6	0	97	3
7	0	97	3
8	0	96	4
9	0	96	4
10	0	96	4
11	0	95	5
12	0	95	5
13	0	94	6
14	0	93	7
15	0	93	7
16	0	92	8
17	0	92	8
18	0	91	9
19	0	91	9
20	0	90	10
21	0	90	10
22	0	90	10
23	0	90	10
24	1	89	10
25	1	89	10
26	1	90	9
27	1	90	9
28	2	90	8
29	2	90	8
30	3	90	7

	Avg high (°C)	Avg low (°C)
1	30	23
2	30	23
3	30	23
4	30	23
5	30	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	24
29	32	24
30	33	24

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	31	69
5	32	68
6	33	67
7	35	65
8	36	64
9	38	62
10	39	61
11	41	59
12	42	58
13	44	56
14	45	55
15	46	54
16	48	52
17	48	52
18	51	49
19	52	48
20	54	46
21	55	45
22	56	44
23	58	42
24	59	41
25	59	41
26	61	39
27	62	38
28	62	38
29	64	36
30	64	36

	Rain chance (%)
1	71
2	71
3	70
4	69
5	69
6	68
7	68
8	67
9	66
10	66
11	65
12	64
13	63
14	62
15	60
16	59
17	58
18	56
19	54
20	53
21	51
22	49
23	47
24	45
25	44
26	42
27	40
28	39
29	38
30	37

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	98	2
2	0	98	2
3	0	98	2
4	0	97	3
5	0	97	3
6	0	97	3
7	0	97	3
8	0	96	4
9	0	96	4
10	0	96	4
11	0	95	5
12	0	95	5
13	0	94	6
14	0	93	7
15	0	93	7
16	0	92	8
17	0	92	8
18	0	91	9
19	0	91	9
20	0	90	10
21	0	90	10
22	0	90	10
23	0	90	10
24	1	89	10
25	1	89	10
26	1	90	9
27	1	90	9
28	2	90	8
29	2	90	8
30	3	90	7

	Avg high (°C)	Avg low (°C)
1	30	23
2	30	23
3	30	23
4	30	23
5	30	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	24
29	32	24
30	33	24

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	31	69
5	32	68
6	33	67
7	35	65
8	36	64
9	38	62
10	39	61
11	41	59
12	42	58
13	44	56
14	45	55
15	46	54
16	48	52
17	48	52
18	51	49
19	52	48
20	54	46
21	55	45
22	56	44
23	58	42
24	59	41
25	59	41
26	61	39
27	62	38
28	62	38
29	64	36
30	64	36

	Rain chance (%)
1	71
2	71
3	70
4	69
5	69
6	68
7	68
8	67
9	66
10	66
11	65
12	64
13	63
14	62
15	60
16	59
17	58
18	56
19	54
20	53
21	51
22	49
23	47
24	45
25	44
26	42
27	40
28	39
29	38
30	37

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	98	2
2	0	98	2
3	0	98	2
4	0	97	3
5	0	97	3
6	0	97	3
7	0	97	3
8	0	96	4
9	0	96	4
10	0	96	4
11	0	95	5
12	0	95	5
13	0	94	6
14	0	93	7
15	0	93	7
16	0	92	8
17	0	92	8
18	0	91	9
19	0	91	9
20	0	90	10
21	0	90	10
22	0	90	10
23	0	90	10
24	1	89	10
25	1	89	10
26	1	90	9
27	1	90	9
28	2	90	8
29	2	90	8
30	3	90	7