Rustavi weather in September

In September, Rustavi sees average daytime highs of 27°C and overnight lows near 16°C, with 21 mm of rain across 4.1 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 24°C by the end. The sky is clear or mostly clear about 55% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Rustavi's 3rd-clearest and 8th-windiest month. For the whole year in context, see Rustavi's year-round climate.

Daytime high: 27°; 4th warmest
Overnight low: 16°; 9th coldest
Rainfall: 21 mm; 4.1 wet days
Daylight: 12 h 18 min; 6:46 AM – 7:03 PM
Cloud cover: 41%; 3rd clearest
Wind: 7 km/h; 8th windiest
Solar energy: 4.11 kWh/m²
Travel score: 7.4; out of 10

Rustavi is city in Kvemo Kartli, Georgia.

Density: 2,137/km²; people per km²
Founded: 1948

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

← August Rustavi 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 ease over the month, from about 29°C in the first days to 24°C by the end.

A typical September day in Rustavi reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 32°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer 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	29	29	29	29	29	28	28	28	28	28	27	27	27	27	27	26	26	26	26	25	25	25	25	25	24	24	24	24
Avg low (°C)	19	19	18	18	18	18	18	17	17	17	17	17	16	16	16	16	16	15	15	15	15	15	15	14	14	14	14	14	13	13

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

How September really feels in Rustavi

Once humidity and wind are folded in, September averages 0 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

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Rustavi weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	6° / -3°	19	4.9	2.8	9.3	0.7
Feb	8° / -2°	22	5.3	3.6	10.3	1.4
Mar	13° / 3°	40	8.1	1.6	11.7	3.5
Apr	18° / 8°	52	9.7	0.4	13.1	5.8
May	24° / 13°	45	9.9	0	14.3	6.8
Jun	29° / 18°	26	6.2	0	15	6.1
Jul	32° / 21°	16	3.5	0	14.7	4.7
Aug	32° / 21°	15	3.6	0	13.7	4.8
Sep	27° / 16°	21	4.1	0	12.3	7.4
Oct	20° / 10°	37	7.3	0.1	10.9	6.9
Nov	13° / 3°	34	6.1	0.9	9.7	3.9
Dec	7° / -2°	22	5	2.1	9	1.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to cloud over 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 (%)	78	79	79	78	78	78	77	77	77	76	75	75	75	74	73	73	72	72	71	71	69	69	68	67	67	66	65	64	64	64
Cloudier (%)	22	21	21	22	22	22	23	23	23	24	25	25	25	26	27	27	28	28	29	29	31	31	32	33	33	34	35	36	36	36

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	78	22
5	78	22
6	78	22
7	77	23
8	77	23
9	77	23
10	76	24
11	75	25
12	75	25
13	75	25
14	74	26
15	73	27
16	73	27
17	72	28
18	72	28
19	71	29
20	71	29
21	69	31
22	69	31
23	68	32
24	67	33
25	67	33
26	66	34
27	65	35
28	64	36
29	64	36
30	64	36

Chance of precipitation in September

Any precipitation

Rustavi gets around 21 mm of rain over 4.1 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 14% and peaks near 21% on the wettest days. The odds climb 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 (%)	13	13	13	12	12	12	12	12	12	12	12	12	12	13	13	13	14	14	15	15	15	16	16	17	17	18	19	19	20	21

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

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	45	47	49	51	54	56	59	61	62	64	66	67	69	70	71	71	73	74	75	76	77	78	80	81	82	83	84	85	87	88
Comfortable (%)	45	44	42	41	39	38	36	35	34	33	32	31	30	29	28	28	27	26	25	24	23	22	20	19	18	17	16	15	13	12
Humid (%)	9	9	8	8	7	6	5	4	4	3	2	2	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)	Humid (%)
1	45	45	9
2	47	44	9
3	49	42	8
4	51	41	8
5	54	39	7
6	56	38	6
7	59	36	5
8	61	35	4
9	62	34	4
10	64	33	3
11	66	32	2
12	67	31	2
13	69	30	1
14	70	29	1
15	71	28	1
16	71	28	1
17	73	27	0
18	74	26	0
19	75	25	0
20	76	24	0
21	77	23	0
22	78	22	0
23	80	20	0
24	81	19	0
25	82	18	0
26	83	17	0
27	84	16	0
28	85	15	0
29	87	13	0
30	88	12	0

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 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	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	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	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 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 6:30 AM to 7:01 AM, and sunset from 7:29 PM to 6:38 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)	13.0	12.9	12.9	12.8	12.8	12.7	12.7	12.7	12.6	12.6	12.5	12.5	12.4	12.4	12.3	12.3	12.2	12.2	12.1	12.1	12.0	12.0	11.9	11.9	11.8	11.8	11.7	11.7	11.7	11.6
Sunrise (AM)	6:30	6:31	6:33	6:34	6:35	6:36	6:37	6:38	6:39	6:40	6:41	6:42	6:43	6:44	6:45	6:46	6:47	6:48	6:49	6:50	6:51	6:53	6:54	6:55	6:56	6:57	6:58	6:59	7:00	7:01
Sunset (PM)	7:29	7:27	7:26	7:24	7:22	7:20	7:19	7:17	7:15	7:13	7:12	7:10	7:08	7:06	7:04	7:03	7:01	6:59	6:57	6:55	6:54	6:52	6:50	6:48	6:46	6:45	6:43	6:41	6:39	6:38

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.0	6:30	7:29
2	12.9	6:31	7:27
3	12.9	6:33	7:26
4	12.8	6:34	7:24
5	12.8	6:35	7:22
6	12.7	6:36	7:20
7	12.7	6:37	7:19
8	12.7	6:38	7:17
9	12.6	6:39	7:15
10	12.6	6:40	7:13
11	12.5	6:41	7:12
12	12.5	6:42	7:10
13	12.4	6:43	7:08
14	12.4	6:44	7:06
15	12.3	6:45	7:04
16	12.3	6:46	7:03
17	12.2	6:47	7:01
18	12.2	6:48	6:59
19	12.1	6:49	6:57
20	12.1	6:50	6:55
21	12.0	6:51	6:54
22	12.0	6:53	6:52
23	11.9	6:54	6:50
24	11.9	6:55	6:48
25	11.8	6:56	6:46
26	11.8	6:57	6:45
27	11.7	6:58	6:43
28	11.7	6:59	6:41
29	11.7	7:00	6:39
30	11.6	7:01	6:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.11 kWh/m².

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 6.31 kWh/m² in June across the year — September's 4.11 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)	4.8	4.7	4.7	4.6	4.6	4.5	4.5	4.5	4.4	4.3	4.3	4.3	4.2	4.2	4.1	4.1	4.0	4.0	3.9	3.9	3.9	3.8	3.8	3.8	3.7	3.7	3.6	3.6	3.6	3.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.8	Bright
2	4.7	Bright
3	4.7	Bright
4	4.6	Bright
5	4.6	Bright
6	4.5	Bright
7	4.5	Bright
8	4.5	Bright
9	4.4	Bright
10	4.3	Bright
11	4.3	Bright
12	4.3	Bright
13	4.2	Bright
14	4.2	Bright
15	4.1	Bright
16	4.1	Bright
17	4.0	Bright
18	4.0	Moderate
19	3.9	Moderate
20	3.9	Moderate
21	3.9	Moderate
22	3.8	Moderate
23	3.8	Moderate
24	3.8	Moderate
25	3.7	Moderate
26	3.7	Moderate
27	3.6	Moderate
28	3.6	Moderate
29	3.6	Moderate
30	3.5	Moderate

Planning a trip in September

Is September a good time to visit Rustavi?

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

7.4

Sightseeing

1st-best month of the year

7.6

Beach & pool

4th-best month of the year

September is one of the better times to visit Rustavi for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rustavi in September

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

In September, Rustavi sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes. About 4 days see rain.

light clothes

UV index in Rustavi in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rustavi peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	3	6	8	9	9	9	6	4	2	2
Level	Low	Moderate	Moderate	High	Very high	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	3	Moderate
Mar	3	Moderate
Apr	6	High
May	8	Very high
Jun	9	Very high
Jul	9	Very high
Aug	9	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Moderate
Dec	2	Low

Air quality in Rustavi 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 Rustavi is worst in July — around 19 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (October, 11 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)	12	15	18	17	18	17	19	16	14	11	11	12
Level	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	12	Good
Feb	15	Moderate
Mar	18	Moderate
Apr	17	Moderate
May	18	Moderate
Jun	17	Moderate
Jul	19	Moderate
Aug	16	Moderate
Sep	14	Moderate
Oct	11	Good
Nov	11	Good
Dec	12	Good

Location & terrain

Where is Rustavi?

Rustavi sits at 41.6°N, 45.0°E, 345 m above sea level, in Georgia. The nearest listed city is Marneuli, 17 km away.

Topography around Rustavi

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

Within 3 km, the terrain around Rustavi has significant variations in elevation — a maximum elevation change of 410 m around an average of 388 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 544 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,375 m.

The land around Rustavi is covered by grassland (42%) and artificial surfaces (29%) within 3 km, grassland (47%) and cropland (31%) within 16 km, and trees (40%) and grassland (39%) within 80 km.

3 km

410 m

grassland 42%

16 km

544 m

grassland 47%

80 km

2,375 m

trees 40%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

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

September weather nearby: Marneuli 17 km · Tbilisi 19 km · Telavi 57 km · Alaverdi 58 km · Gazakh 61 km · Ijevan 77 km · Gori 86 km · Dilijan 92 km

Georgia travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / F; 220 V · 50 Hz
Prices: ≈ 33% of US; price level, 2025
GDP per capita: $9,692; 2025
Happiness: 5.5 / 10; World Happiness, 2025
Safe drinking water: 71%; of population, 2024
Homicide rate: 2; per 100k, 2019
Road deaths: 12.4; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Moderate; EF EPI 541
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 Rustavi (41.5627°, 44.9787°, elevation 345 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	19
2	30	19
3	29	18
4	29	18
5	29	18
6	29	18
7	29	18
8	28	17
9	28	17
10	28	17
11	28	17
12	28	17
13	27	16
14	27	16
15	27	16
16	27	16
17	27	16
18	26	15
19	26	15
20	26	15
21	26	15
22	25	15
23	25	15
24	25	14
25	25	14
26	25	14
27	24	14
28	24	14
29	24	13
30	24	13

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	78	22
5	78	22
6	78	22
7	77	23
8	77	23
9	77	23
10	76	24
11	75	25
12	75	25
13	75	25
14	74	26
15	73	27
16	73	27
17	72	28
18	72	28
19	71	29
20	71	29
21	69	31
22	69	31
23	68	32
24	67	33
25	67	33
26	66	34
27	65	35
28	64	36
29	64	36
30	64	36

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

	Dry (%)	Comfortable (%)	Humid (%)
1	45	45	9
2	47	44	9
3	49	42	8
4	51	41	8
5	54	39	7
6	56	38	6
7	59	36	5
8	61	35	4
9	62	34	4
10	64	33	3
11	66	32	2
12	67	31	2
13	69	30	1
14	70	29	1
15	71	28	1
16	71	28	1
17	73	27	0
18	74	26	0
19	75	25	0
20	76	24	0
21	77	23	0
22	78	22	0
23	80	20	0
24	81	19	0
25	82	18	0
26	83	17	0
27	84	16	0
28	85	15	0
29	87	13	0
30	88	12	0

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

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	78	22
5	78	22
6	78	22
7	77	23
8	77	23
9	77	23
10	76	24
11	75	25
12	75	25
13	75	25
14	74	26
15	73	27
16	73	27
17	72	28
18	72	28
19	71	29
20	71	29
21	69	31
22	69	31
23	68	32
24	67	33
25	67	33
26	66	34
27	65	35
28	64	36
29	64	36
30	64	36

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

	Dry (%)	Comfortable (%)	Humid (%)
1	45	45	9
2	47	44	9
3	49	42	8
4	51	41	8
5	54	39	7
6	56	38	6
7	59	36	5
8	61	35	4
9	62	34	4
10	64	33	3
11	66	32	2
12	67	31	2
13	69	30	1
14	70	29	1
15	71	28	1
16	71	28	1
17	73	27	0
18	74	26	0
19	75	25	0
20	76	24	0
21	77	23	0
22	78	22	0
23	80	20	0
24	81	19	0
25	82	18	0
26	83	17	0
27	84	16	0
28	85	15	0
29	87	13	0
30	88	12	0

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

	Clearer (%)	Cloudier (%)
1	78	22
2	79	21
3	79	21
4	78	22
5	78	22
6	78	22
7	77	23
8	77	23
9	77	23
10	76	24
11	75	25
12	75	25
13	75	25
14	74	26
15	73	27
16	73	27
17	72	28
18	72	28
19	71	29
20	71	29
21	69	31
22	69	31
23	68	32
24	67	33
25	67	33
26	66	34
27	65	35
28	64	36
29	64	36
30	64	36

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

	Dry (%)	Comfortable (%)	Humid (%)
1	45	45	9
2	47	44	9
3	49	42	8
4	51	41	8
5	54	39	7
6	56	38	6
7	59	36	5
8	61	35	4
9	62	34	4
10	64	33	3
11	66	32	2
12	67	31	2
13	69	30	1
14	70	29	1
15	71	28	1
16	71	28	1
17	73	27	0
18	74	26	0
19	75	25	0
20	76	24	0
21	77	23	0
22	78	22	0
23	80	20	0
24	81	19	0
25	82	18	0
26	83	17	0
27	84	16	0
28	85	15	0
29	87	13	0
30	88	12	0