Najran weather in September

In September, Najran sees average daytime highs of 34°C and overnight lows near 20°C, with 0 mm of rain across 0 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 32°C by the end. The sky is clear or mostly clear about 75% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Najran's 6th-clearest and 4th-windiest month. For the whole year in context, see Najran's year-round climate.

Daytime high: 34°; 5th warmest
Overnight low: 20°; 8th coldest
Rainfall: 0 mm; 0 wet days
Daylight: 12 h 06 min; 5:55 AM – 6:01 PM
Cloud cover: 22%; 6th clearest
Wind: 12 km/h; 4th windiest
Solar energy: 6.69 kWh/m²
Travel score: 3.8; out of 10

Najran is City in the southeast of Saudi Arabia.

Founded: ~1999 BCE

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

← August Najran 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 36°C in the first days to 32°C by the end.

A typical September day in Najran reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°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)	36	36	36	36	36	36	36	35	35	35	35	35	35	35	35	34	34	34	34	34	34	33	33	33	33	33	33	32	32	32
Avg low (°C)	22	21	21	21	21	21	21	21	21	21	21	20	20	20	20	20	20	20	20	19	19	19	19	19	19	19	19	18	18	18

	Avg high (°C)	Avg low (°C)
1	36	22
2	36	21
3	36	21
4	36	21
5	36	21
6	36	21
7	36	21
8	35	21
9	35	21
10	35	21
11	35	21
12	35	20
13	35	20
14	35	20
15	35	20
16	34	20
17	34	20
18	34	20
19	34	20
20	34	19
21	34	19
22	33	19
23	33	19
24	33	19
25	33	19
26	33	19
27	33	19
28	32	18
29	32	18
30	32	18

How September really feels in Najran

Once humidity and wind are folded in, September averages 29 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.

Najran weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	25° / 9°	2	0.5	11.1	9.3
Feb	27° / 12°	2	0.5	11.4	8.6
Mar	30° / 15°	10	2	11.9	6.5
Apr	32° / 18°	13	3.6	12.4	4.9
May	35° / 21°	4	1	12.8	3.5
Jun	37° / 21°	1	0.1	13	2.3
Jul	37° / 23°	2	0.4	12.9	1.8
Aug	37° / 22°	2	0.5	12.6	1.9
Sep	34° / 20°	0	0	12.1	3.8
Oct	30° / 16°	3	0.5	11.6	7.1
Nov	27° / 12°	1	0.2	11.2	9.0
Dec	25° / 10°	0	0	11	9.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 9%. 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 (%)	87	87	87	87	87	87	87	87	88	88	89	90	90	91	91	91	92	92	92	93	93	93	94	95	95	95	96	96	96	96
Cloudier (%)	13	13	13	13	13	13	13	13	12	12	11	10	10	9	9	9	8	8	8	7	7	7	6	5	5	5	4	4	4	4

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	89	11
12	90	10
13	90	10
14	91	9
15	91	9
16	91	9
17	92	8
18	92	8
19	92	8
20	93	7
21	93	7
22	93	7
23	94	6
24	95	5
25	95	5
26	95	5
27	96	4
28	96	4
29	96	4
30	96	4

Chance of precipitation in September

Any precipitation

Najran gets around 0 mm of rain over 0 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 1% 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 (%)	0	0	0	0	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

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1

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 100% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	99	99	99	99	99
Comfortable (%)	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	1	1	1	1	1

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 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)	13	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	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	13	light breeze
2	13	light breeze
3	12	light breeze
4	12	light breeze
5	12	light breeze
6	12	light breeze
7	12	light breeze
8	12	light breeze
9	12	calm
10	12	calm
11	12	calm
12	12	calm
13	12	calm
14	12	calm
15	12	calm
16	12	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:53 AM to 5:57 AM, and sunset from 6:14 PM to 5:49 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)	12.3	12.3	12.3	12.3	12.3	12.3	12.2	12.2	12.2	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9	11.9	11.9	11.9
Sunrise (AM)	5:53	5:53	5:53	5:53	5:53	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:54	5:55	5:55	5:55	5:55	5:55	5:55	5:55	5:56	5:56	5:56	5:56	5:56	5:56	5:56	5:57	5:57	5:57
Sunset (PM)	6:14	6:13	6:12	6:11	6:10	6:09	6:09	6:08	6:07	6:06	6:05	6:04	6:03	6:02	6:02	6:01	6:00	5:59	5:58	5:57	5:56	5:55	5:55	5:54	5:53	5:52	5:51	5:50	5:49	5:49

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.3	5:53	6:14
2	12.3	5:53	6:13
3	12.3	5:53	6:12
4	12.3	5:53	6:11
5	12.3	5:53	6:10
6	12.3	5:54	6:09
7	12.2	5:54	6:09
8	12.2	5:54	6:08
9	12.2	5:54	6:07
10	12.2	5:54	6:06
11	12.2	5:54	6:05
12	12.2	5:54	6:04
13	12.1	5:54	6:03
14	12.1	5:55	6:02
15	12.1	5:55	6:02
16	12.1	5:55	6:01
17	12.1	5:55	6:00
18	12.1	5:55	5:59
19	12.0	5:55	5:58
20	12.0	5:55	5:57
21	12.0	5:56	5:56
22	12.0	5:56	5:55
23	12.0	5:56	5:55
24	12.0	5:56	5:54
25	11.9	5:56	5:53
26	11.9	5:56	5:52
27	11.9	5:56	5:51
28	11.9	5:57	5:50
29	11.9	5:57	5:49
30	11.9	5:57	5:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.69 kWh/m².

For context, solar energy here swings from a low near 5.46 kWh/m² to a high of 7.41 kWh/m² in May across the year — September's 6.69 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)	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7	6.7
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.7	Intense
2	6.7	Intense
3	6.7	Intense
4	6.7	Intense
5	6.7	Intense
6	6.7	Intense
7	6.7	Intense
8	6.7	Intense
9	6.7	Intense
10	6.7	Intense
11	6.7	Intense
12	6.7	Intense
13	6.7	Intense
14	6.7	Intense
15	6.7	Intense
16	6.7	Intense
17	6.7	Intense
18	6.7	Intense
19	6.7	Intense
20	6.7	Intense
21	6.7	Intense
22	6.7	Intense
23	6.7	Intense
24	6.7	Intense
25	6.7	Intense
26	6.7	Intense
27	6.7	Intense
28	6.7	Intense
29	6.7	Intense
30	6.7	Intense

Planning a trip in September

Hazard calendar for Najran

In seasonPeak

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

Najran sees seasonal dust haze (April–August), heaviest in July.

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Najran?

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

3.8

Sightseeing

8th-best month of the year

7.5

Beach & pool

8th-best month of the year

September is a weaker month for outdoor sightseeing in Najran. The water and warmth also suit a beach or pool day.

What to pack for Najran in September

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

In September, Najran sees daytime highs around 34°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Najran in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks 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 Najran peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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)	10	12	13	14	12	11	11	12	10	11	8	8
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	10	Very high
Feb	12	Extreme
Mar	13	Extreme
Apr	14	Extreme
May	12	Extreme
Jun	11	Extreme
Jul	11	Extreme
Aug	12	Extreme
Sep	10	Extreme
Oct	11	Extreme
Nov	8	Very high
Dec	8	Very high

Air quality in Najran 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 Najran is worst in February — around 50 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 24 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)	39	50	46	48	44	47	49	43	35	24	25	28
Level	Poor	Poor	Poor	Poor	Poor	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	39	Poor
Feb	50	Poor
Mar	46	Poor
Apr	48	Poor
May	44	Poor
Jun	47	Poor
Jul	49	Poor
Aug	43	Poor
Sep	35	Moderate
Oct	24	Moderate
Nov	25	Moderate
Dec	28	Moderate

Location & terrain

Where is Najran?

Najran sits at 17.5°N, 44.1°E, 1,310 m above sea level, in Saudi Arabia. The nearest listed city is Al Mash‘ilīyah, 46 km away.

Topography around Najran

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

Within 3 km, the terrain around Najran has significant variations in elevation — a maximum elevation change of 452 m around an average of 1,377 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 802 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,717 m.

The land around Najran is covered by bare terrain (60%) and cropland (21%) within 3 km, bare terrain (88%) within 16 km, and bare terrain (97%) within 80 km.

3 km

452 m

bare terrain 60%

16 km

802 m

bare terrain 88%

80 km

1,717 m

bare terrain 97%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

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

September weather nearby: Al Mash‘ilīyah 46 km · Sa'dah 73 km · Fayfā’ 108 km · Sarāt ‘Abīdah 125 km · Ḑamad 149 km · Abū ‘Arīsh 149 km · Şāmitah 161 km · Al Ḩazm 163 km

Saudi Arabia travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type G; 230 V · 60 Hz
Prices: ≈ 47% of US; price level, 2025
GDP per capita: $34,537; 2025
Happiness: 6.8 / 10; World Happiness, 2025
Homicide rate: 0.9; per 100k, 2019
Road deaths: 35.9; per 100k/yr, 2019
Income group: High; World Bank
English: Very low; EF EPI 404

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 Najran (17.4933°, 44.1277°, elevation 1,310 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	36	22
2	36	21
3	36	21
4	36	21
5	36	21
6	36	21
7	36	21
8	35	21
9	35	21
10	35	21
11	35	21
12	35	20
13	35	20
14	35	20
15	35	20
16	34	20
17	34	20
18	34	20
19	34	20
20	34	19
21	34	19
22	33	19
23	33	19
24	33	19
25	33	19
26	33	19
27	33	19
28	32	18
29	32	18
30	32	18

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	89	11
12	90	10
13	90	10
14	91	9
15	91	9
16	91	9
17	92	8
18	92	8
19	92	8
20	93	7
21	93	7
22	93	7
23	94	6
24	95	5
25	95	5
26	95	5
27	96	4
28	96	4
29	96	4
30	96	4

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1

	Avg high (°C)	Avg low (°C)
1	36	22
2	36	21
3	36	21
4	36	21
5	36	21
6	36	21
7	36	21
8	35	21
9	35	21
10	35	21
11	35	21
12	35	20
13	35	20
14	35	20
15	35	20
16	34	20
17	34	20
18	34	20
19	34	20
20	34	19
21	34	19
22	33	19
23	33	19
24	33	19
25	33	19
26	33	19
27	33	19
28	32	18
29	32	18
30	32	18

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	89	11
12	90	10
13	90	10
14	91	9
15	91	9
16	91	9
17	92	8
18	92	8
19	92	8
20	93	7
21	93	7
22	93	7
23	94	6
24	95	5
25	95	5
26	95	5
27	96	4
28	96	4
29	96	4
30	96	4

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1

	Avg high (°C)	Avg low (°C)
1	36	22
2	36	21
3	36	21
4	36	21
5	36	21
6	36	21
7	36	21
8	35	21
9	35	21
10	35	21
11	35	21
12	35	20
13	35	20
14	35	20
15	35	20
16	34	20
17	34	20
18	34	20
19	34	20
20	34	19
21	34	19
22	33	19
23	33	19
24	33	19
25	33	19
26	33	19
27	33	19
28	32	18
29	32	18
30	32	18

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	88	12
10	88	12
11	89	11
12	90	10
13	90	10
14	91	9
15	91	9
16	91	9
17	92	8
18	92	8
19	92	8
20	93	7
21	93	7
22	93	7
23	94	6
24	95	5
25	95	5
26	95	5
27	96	4
28	96	4
29	96	4
30	96	4

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	1
29	1
30	1

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1