Bartica weather in September

In September, Bartica sees average daytime highs of 31°C and overnight lows near 24°C, with 123 mm of rain across 20.9 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 27% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Bartica's 1st-clearest and 9th-windiest month. For the whole year in context, see Bartica's year-round climate.

Daytime high: 31°; 1st warmest
Overnight low: 24°; 12th coldest
Rainfall: 123 mm; 20.9 wet days
Daylight: 12 hours; 5:48 AM – 5:50 PM
Cloud cover: 57%; 1st clearest
Wind: 6 km/h; 9th windiest
Solar energy: 5.5 kWh/m²
Travel score: 3.5; out of 10

Bartica is Regional capital of Cuyuni-Mazaruni or Region N.7 administered de facto by Guyana and claimed by Venezuela.

Founded: 1842

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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

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Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Bartica reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, September runs on par with August and on par with 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)	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31
Avg low (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24

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

How September really feels in Bartica

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.

Bartica weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 23°	145	22.4	11.7	4.3
Feb	28° / 23°	95	17.7	11.8	4.6
Mar	29° / 23°	89	17.2	12	4.6
Apr	29° / 24°	138	19.9	12.1	4.0
May	29° / 24°	278	26.3	12.3	3.4
Jun	29° / 23°	331	29.1	12.4	3.0
Jul	29° / 23°	279	29.7	12.3	3.0
Aug	30° / 24°	199	26.9	12.2	3.1
Sep	31° / 24°	123	20.9	12	3.5
Oct	31° / 24°	135	22.2	11.9	3.5
Nov	30° / 24°	190	24.5	11.7	3.3
Dec	29° / 23°	204	27.1	11.6	3.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 46%.

	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 (%)	56	56	56	56	56	55	55	54	54	53	54	54	54	54	54	54	54	54	54	54	54	54	54	53	53	53	52	52	51	51
Cloudier (%)	44	44	44	44	44	45	45	46	46	47	46	46	46	46	46	46	46	46	46	46	46	46	46	47	47	47	48	48	49	49

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	55	45
7	55	45
8	54	46
9	54	46
10	53	47
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49

Chance of precipitation in September

Any precipitation

Bartica gets around 123 mm of rain over 20.9 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 70% and peaks near 74% 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 (%)	74	73	73	73	73	73	73	73	73	73	73	73	73	72	72	71	71	70	69	68	68	67	67	66	66	66	66	66	66	66

	Rain chance (%)
1	74
2	73
3	73
4	73
5	73
6	73
7	73
8	73
9	73
10	73
11	73
12	73
13	73
14	72
15	72
16	71
17	71
18	70
19	69
20	68
21	68
22	67
23	67
24	66
25	66
26	66
27	66
28	66
29	66
30	66

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 75% 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
Oppressive (%)	26	25	25	24	24	24	24	24	23	23	23	23	23	24	24	24	24	25	25	25	26	26	27	27	28	28	28	29	29	29
Miserable (%)	74	75	75	76	76	76	76	76	77	77	77	77	77	76	76	76	76	75	75	75	74	74	73	73	72	72	72	71	71	71

	Oppressive (%)	Miserable (%)
1	26	74
2	25	75
3	25	75
4	24	76
5	24	76
6	24	76
7	24	76
8	24	76
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	24	76
15	24	76
16	24	76
17	24	76
18	25	75
19	25	75
20	25	75
21	26	74
22	26	74
23	27	73
24	27	73
25	28	72
26	28	72
27	28	72
28	29	71
29	29	71
30	29	71

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	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	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	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 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 5:50 AM to 5:45 AM, and sunset from 5:58 PM to 5:42 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	12.0	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	12.0	12.0
Sunrise (AM)	5:50	5:50	5:50	5:50	5:50	5:50	5:49	5:49	5:49	5:49	5:49	5:49	5:48	5:48	5:48	5:48	5:48	5:47	5:47	5:47	5:47	5:47	5:46	5:46	5:46	5:46	5:46	5:46	5:45	5:45
Sunset (PM)	5:58	5:57	5:57	5:56	5:56	5:55	5:55	5:54	5:54	5:53	5:53	5:52	5:52	5:51	5:50	5:50	5:49	5:49	5:48	5:48	5:47	5:47	5:46	5:45	5:45	5:44	5:44	5:43	5:43	5:42

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	5:50	5:58
2	12.1	5:50	5:57
3	12.1	5:50	5:57
4	12.1	5:50	5:56
5	12.1	5:50	5:56
6	12.1	5:50	5:55
7	12.1	5:49	5:55
8	12.1	5:49	5:54
9	12.1	5:49	5:54
10	12.1	5:49	5:53
11	12.1	5:49	5:53
12	12.1	5:49	5:52
13	12.1	5:48	5:52
14	12.0	5:48	5:51
15	12.0	5:48	5:50
16	12.0	5:48	5:50
17	12.0	5:48	5:49
18	12.0	5:47	5:49
19	12.0	5:47	5:48
20	12.0	5:47	5:48
21	12.0	5:47	5:47
22	12.0	5:47	5:47
23	12.0	5:46	5:46
24	12.0	5:46	5:45
25	12.0	5:46	5:45
26	12.0	5:46	5:44
27	12.0	5:46	5:44
28	12.0	5:46	5:43
29	12.0	5:45	5:43
30	12.0	5:45	5:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.5 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.5 kWh/m² in September across the year — September's 5.5 kWh/m² sits near the top of that range.

	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)	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
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	Bright	Bright	Bright	Bright	Bright

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

Planning a trip in September

Is September a good time to visit Bartica?

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

3.5

Sightseeing

5th-best month of the year

5.0

Beach & pool

4th-best month of the year

September is a weaker month for outdoor sightseeing in Bartica.

What to pack for Bartica in September

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

In September, Bartica sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Bartica 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 Bartica peaks around March 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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)	12	13	15	15	13	12	12	12	12	12	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	12	Extreme
Feb	13	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	12	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	10	Extreme

Air quality in Bartica 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 Bartica is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 12 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)	18	21	23	26	23	19	15	12	13	15	14	17
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	18	Moderate
Feb	21	Moderate
Mar	23	Moderate
Apr	26	Moderate
May	23	Moderate
Jun	19	Moderate
Jul	15	Moderate
Aug	12	Good
Sep	13	Moderate
Oct	15	Moderate
Nov	14	Moderate
Dec	17	Moderate

Location & terrain

Where is Bartica?

Bartica sits at 6.4°N, 58.6°W, 0 m above sea level, in Guyana. The nearest listed city is Parika, 53 km away.

Topography around Bartica

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

Within 3 km, the terrain around Bartica has only modest variations in elevation — a maximum elevation change of 63 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, significant variations in elevation — a maximum elevation change of 463 m.

The land around Bartica is covered by water (69%) and trees (24%) within 3 km, trees (83%) within 16 km, and trees (82%) within 80 km.

3 km

63 m

water 69%

16 km

125 m

trees 83%

80 km

463 m

trees 82%

treesgrasslandcroplandartificial surfaceswaterwetland

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

September weather nearby: Parika 53 km · Linden 56 km · Georgetown 68 km · New Amsterdam 124 km · Mabaruma 237 km · Tumeremo 333 km · El Dorado 335 km · Santa Elena de Uairén 341 km

Guyana travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type A / B / D / G; 240 V · 60 Hz
Prices: ≈ 33% of US; price level, 2025
GDP per capita: $32,414; 2025
Happiness: 6.0 / 10; World Happiness, 2011
Safe drinking water: 67%; of population, 2024
Homicide rate: 19.1; per 100k, 2023
Road deaths: 22.3; per 100k/yr, 2019
Income group: High; 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 Bartica (6.4054°, -58.6233°, elevation 0 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	31	24
2	31	24
3	31	24
4	31	24
5	31	24
6	31	24
7	31	24
8	31	24
9	31	24
10	31	24
11	31	24
12	31	24
13	31	24
14	31	24
15	31	24
16	31	24
17	31	24
18	31	24
19	31	24
20	31	24
21	31	24
22	31	24
23	31	24
24	31	24
25	31	24
26	31	24
27	31	24
28	31	24
29	31	24
30	31	24

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	55	45
7	55	45
8	54	46
9	54	46
10	53	47
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49

	Rain chance (%)
1	74
2	73
3	73
4	73
5	73
6	73
7	73
8	73
9	73
10	73
11	73
12	73
13	73
14	72
15	72
16	71
17	71
18	70
19	69
20	68
21	68
22	67
23	67
24	66
25	66
26	66
27	66
28	66
29	66
30	66

	Oppressive (%)	Miserable (%)
1	26	74
2	25	75
3	25	75
4	24	76
5	24	76
6	24	76
7	24	76
8	24	76
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	24	76
15	24	76
16	24	76
17	24	76
18	25	75
19	25	75
20	25	75
21	26	74
22	26	74
23	27	73
24	27	73
25	28	72
26	28	72
27	28	72
28	29	71
29	29	71
30	29	71

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

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	55	45
7	55	45
8	54	46
9	54	46
10	53	47
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49

	Rain chance (%)
1	74
2	73
3	73
4	73
5	73
6	73
7	73
8	73
9	73
10	73
11	73
12	73
13	73
14	72
15	72
16	71
17	71
18	70
19	69
20	68
21	68
22	67
23	67
24	66
25	66
26	66
27	66
28	66
29	66
30	66

	Oppressive (%)	Miserable (%)
1	26	74
2	25	75
3	25	75
4	24	76
5	24	76
6	24	76
7	24	76
8	24	76
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	24	76
15	24	76
16	24	76
17	24	76
18	25	75
19	25	75
20	25	75
21	26	74
22	26	74
23	27	73
24	27	73
25	28	72
26	28	72
27	28	72
28	29	71
29	29	71
30	29	71

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

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	55	45
7	55	45
8	54	46
9	54	46
10	53	47
11	54	46
12	54	46
13	54	46
14	54	46
15	54	46
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49

	Rain chance (%)
1	74
2	73
3	73
4	73
5	73
6	73
7	73
8	73
9	73
10	73
11	73
12	73
13	73
14	72
15	72
16	71
17	71
18	70
19	69
20	68
21	68
22	67
23	67
24	66
25	66
26	66
27	66
28	66
29	66
30	66

	Oppressive (%)	Miserable (%)
1	26	74
2	25	75
3	25	75
4	24	76
5	24	76
6	24	76
7	24	76
8	24	76
9	23	77
10	23	77
11	23	77
12	23	77
13	23	77
14	24	76
15	24	76
16	24	76
17	24	76
18	25	75
19	25	75
20	25	75
21	26	74
22	26	74
23	27	73
24	27	73
25	28	72
26	28	72
27	28	72
28	29	71
29	29	71
30	29	71