Mim weather in September

In September, Mim sees average daytime highs of 29°C and overnight lows near 23°C, with 118 mm of rain across 22.1 wet days and about 12 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Mim's 9th-clearest and 8th-windiest month. For the whole year in context, see Mim's year-round climate.

Daytime high: 29°; 10th warmest
Overnight low: 23°; 7th coldest
Rainfall: 118 mm; 22.1 wet days
Daylight: 12 hours; 6:03 AM – 6:06 PM
Cloud cover: 79%; 9th clearest
Wind: 7 km/h; 8th windiest
Solar energy: 4.04 kWh/m²
Travel score: 3.7; out of 10

← August Mim 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

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Mim reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°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)	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	30	30	30	30	30
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	23	23	23

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

How September really feels in Mim

Once humidity and wind are folded in, September averages 26 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.

Mim weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	34° / 22°	14	3.2	11.6	3.8
Feb	35° / 24°	36	6.4	11.8	2.7
Mar	34° / 24°	83	15.3	12	2.5
Apr	33° / 24°	96	17	12.1	2.7
May	32° / 24°	101	19.3	12.3	3.0
Jun	30° / 23°	110	20.4	12.4	3.6
Jul	29° / 23°	83	17.4	12.4	4.4
Aug	28° / 22°	92	17.1	12.2	4.5
Sep	29° / 23°	118	22.1	12	3.7
Oct	30° / 23°	103	20.4	11.8	3.7
Nov	31° / 23°	49	10.3	11.7	4.3
Dec	32° / 22°	15	3.9	11.6	4.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 85%.

	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 (%)	9	9	9	10	11	11	11	12	12	12	13	13	13	14	14	15	15	16	16	17	18	18	20	21	21	22	22	24	24	24
Cloudier (%)	91	91	91	90	89	89	89	88	88	88	87	87	87	86	86	85	85	84	84	83	82	82	80	79	79	78	78	76	76	76

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	9	91
4	10	90
5	11	89
6	11	89
7	11	89
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	14	86
15	14	86
16	15	85
17	15	85
18	16	84
19	16	84
20	17	83
21	18	82
22	18	82
23	20	80
24	21	79
25	21	79
26	22	78
27	22	78
28	24	76
29	24	76
30	24	76

Chance of precipitation in September

Any precipitation

Mim gets around 118 mm of rain over 22.1 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 75% on the wettest days.

	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 (%)	68	69	70	70	71	71	71	71	71	72	72	72	72	72	73	73	73	74	74	74	75	75	75	75	75	75	75	75	74	74

	Rain chance (%)
1	68
2	69
3	70
4	70
5	71
6	71
7	71
8	71
9	71
10	72
11	72
12	72
13	72
14	72
15	73
16	73
17	73
18	74
19	74
20	74
21	75
22	75
23	75
24	75
25	75
26	75
27	75
28	75
29	74
30	74

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 94% 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 (%)	11	11	10	10	10	10	9	9	9	9	8	8	8	7	7	6	6	5	5	5	4	4	3	3	3	2	2	2	2	2
Oppressive (%)	89	89	90	90	90	90	91	91	91	91	92	92	92	93	93	94	94	95	95	95	96	96	97	97	97	98	98	98	98	98

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

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 8 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)	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	6	6	6	6
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	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	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	6	calm
28	6	calm
29	6	calm
30	6	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 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 12 minutes over September. Sunrise moves from 6:06 AM to 6:01 AM, and sunset from 6:14 PM to 5:58 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)	12.1	12.1	12.1	12.1	12.1	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	12.0	12.0	12.0	12.0	12.0	12.0	11.9
Sunrise (AM)	6:06	6:06	6:06	6:06	6:05	6:05	6:05	6:05	6:05	6:05	6:04	6:04	6:04	6:04	6:04	6:03	6:03	6:03	6:03	6:03	6:03	6:02	6:02	6:02	6:02	6:02	6:02	6:01	6:01	6:01
Sunset (PM)	6:14	6:13	6:13	6:12	6:12	6:11	6:11	6:10	6:10	6:09	6:09	6:08	6:07	6:07	6:06	6:06	6:05	6:05	6:04	6:03	6:03	6:02	6:02	6:01	6:01	6:00	6:00	5:59	5:58	5:58

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.04 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.48 kWh/m² in February across the year — September's 4.04 kWh/m² sits near the bottom.

	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)	3.8	3.8	3.9	3.9	3.9	3.9	3.9	3.9	3.9	4.0	4.0	4.0	4.0	4.0	4.0	4.1	4.1	4.1	4.1	4.1	4.1	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.8	Moderate
2	3.8	Moderate
3	3.9	Moderate
4	3.9	Moderate
5	3.9	Moderate
6	3.9	Moderate
7	3.9	Moderate
8	3.9	Moderate
9	3.9	Moderate
10	4.0	Moderate
11	4.0	Moderate
12	4.0	Moderate
13	4.0	Bright
14	4.0	Bright
15	4.0	Bright
16	4.1	Bright
17	4.1	Bright
18	4.1	Bright
19	4.1	Bright
20	4.1	Bright
21	4.1	Bright
22	4.2	Bright
23	4.2	Bright
24	4.2	Bright
25	4.2	Bright
26	4.2	Bright
27	4.2	Bright
28	4.2	Bright
29	4.2	Bright
30	4.2	Bright

Planning a trip in September

Hazard calendar for Mim

In seasonPeak

None of Mim's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mim sees seasonal dust haze (January–April), heaviest in February.

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Mim?

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

3.7

Sightseeing

6th-best month of the year

4.8

Beach & pool

12th-best month of the year

September is a weaker month for outdoor sightseeing in Mim.

What to pack for Mim in September

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

In September, Mim sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 22 days see rain.

light clothesrain gear

UV index in Mim in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mim peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 9 at about 9 (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	12	13	11	11	10	11	13	12	10	9
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	12	Extreme
Apr	13	Extreme
May	11	Extreme
Jun	11	Extreme
Jul	10	Extreme
Aug	11	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	10	Very high
Dec	9	Very high

Air quality in Mim 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 Mim is worst in February — around 94 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (August, 19 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)	84	94	42	39	24	21	20	19	20	26	35	72
Level	Unhealthy	Unhealthy	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	84	Unhealthy
Feb	94	Unhealthy
Mar	42	Poor
Apr	39	Poor
May	24	Moderate
Jun	21	Moderate
Jul	20	Moderate
Aug	19	Moderate
Sep	20	Moderate
Oct	26	Moderate
Nov	35	Moderate
Dec	72	Unhealthy

Location & terrain

Where is Mim?

Mim sits at 6.9°N, 2.6°W, 231 m above sea level, in Ghana. The nearest listed city is Goaso, 12 km away.

Topography around Mim

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

Within 3 km, the terrain around Mim has only modest variations in elevation — a maximum elevation change of 74 m around an average of 230 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, large variations in elevation — a maximum elevation change of 738 m.

The land around Mim is covered by trees (71%) within 3 km, trees (91%) within 16 km, and trees (88%) within 80 km.

3 km

74 m

trees 71%

16 km

244 m

trees 91%

80 km

738 m

trees 88%

treesshrubsgrasslandartificial surfaces

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

September weather nearby: Goaso 12 km · Atronie 33 km · Tepa 45 km · Domaa-Ahenkro 54 km · Sunyani 55 km · Nsoatre 57 km · Bibiani 57 km · Duayaw-Nkwanta 59 km

Ghana travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type D / G; 230 V · 50 Hz
Prices: ≈ 38% of US; price level, 2025
GDP per capita: $3,257; 2025
Happiness: 4.6 / 10; World Happiness, 2025
Safe drinking water: 43%; of population, 2024
Homicide rate: 1.8; per 100k, 2022
Road deaths: 25.7; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Moderate; EF EPI 540
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 Mim (6.9041°, -2.5611°, elevation 231 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	29	23
2	29	23
3	29	23
4	29	23
5	29	23
6	29	23
7	29	23
8	29	23
9	29	23
10	29	23
11	29	23
12	29	23
13	29	23
14	29	23
15	29	23
16	29	23
17	29	23
18	29	23
19	29	23
20	29	23
21	29	23
22	29	23
23	29	23
24	29	23
25	29	23
26	30	23
27	30	23
28	30	23
29	30	23
30	30	23

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	9	91
4	10	90
5	11	89
6	11	89
7	11	89
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	14	86
15	14	86
16	15	85
17	15	85
18	16	84
19	16	84
20	17	83
21	18	82
22	18	82
23	20	80
24	21	79
25	21	79
26	22	78
27	22	78
28	24	76
29	24	76
30	24	76

	Rain chance (%)
1	68
2	69
3	70
4	70
5	71
6	71
7	71
8	71
9	71
10	72
11	72
12	72
13	72
14	72
15	73
16	73
17	73
18	74
19	74
20	74
21	75
22	75
23	75
24	75
25	75
26	75
27	75
28	75
29	74
30	74

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

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

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	9	91
4	10	90
5	11	89
6	11	89
7	11	89
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	14	86
15	14	86
16	15	85
17	15	85
18	16	84
19	16	84
20	17	83
21	18	82
22	18	82
23	20	80
24	21	79
25	21	79
26	22	78
27	22	78
28	24	76
29	24	76
30	24	76

	Rain chance (%)
1	68
2	69
3	70
4	70
5	71
6	71
7	71
8	71
9	71
10	72
11	72
12	72
13	72
14	72
15	73
16	73
17	73
18	74
19	74
20	74
21	75
22	75
23	75
24	75
25	75
26	75
27	75
28	75
29	74
30	74

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

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

	Clearer (%)	Cloudier (%)
1	9	91
2	9	91
3	9	91
4	10	90
5	11	89
6	11	89
7	11	89
8	12	88
9	12	88
10	12	88
11	13	87
12	13	87
13	13	87
14	14	86
15	14	86
16	15	85
17	15	85
18	16	84
19	16	84
20	17	83
21	18	82
22	18	82
23	20	80
24	21	79
25	21	79
26	22	78
27	22	78
28	24	76
29	24	76
30	24	76

	Rain chance (%)
1	68
2	69
3	70
4	70
5	71
6	71
7	71
8	71
9	71
10	72
11	72
12	72
13	72
14	72
15	73
16	73
17	73
18	74
19	74
20	74
21	75
22	75
23	75
24	75
25	75
26	75
27	75
28	75
29	74
30	74

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