Samā’il weather in September

In September, Samā’il sees average daytime highs of 37°C and overnight lows near 26°C, with 0 mm of rain across 0.2 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 37°C in the first days to 36°C by the end. The sky is clear or mostly clear about 87% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Samā’il's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Samā’il's year-round climate.

Daytime high
37°
5th warmest
Overnight low
26°
8th coldest
Rainfall
0 mm
0.2 wet days
Daylight
12 h 06 min
5:59 AM – 6:07 PM
Cloud cover
16%
2nd clearest
Wind
6 km/h
3rd windiest
Solar energy
6.27 kWh/m²
Travel score
2.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 37°C in the first days to 36°C by the end.

A typical September day in Samā’il reaches about 37°C in the afternoon and slips back to 26°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 39°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13827
23827
33727
43727
53727
63727
73727
83727
93727
103727
113727
123727
133726
143726
153726
163726
173726
183726
193726
203626
213626
223626
233626
243625
253625
263625
273625
283625
293525
303525

How September really feels in Samā’il

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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Samā’il 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 14°122.410.78.9
Feb26° / 16°121.811.28.8
Mar29° / 19°293.311.86.9
Apr33° / 23°193.212.54.1
May38° / 28°51.513.11.4
Jun40° / 30°70.713.40.1
Jul39° / 30°101.713.30.4
Aug38° / 28°61.912.81.1
Sep37° / 26°00.212.12.3
Oct33° / 23°71.111.54.7
Nov28° / 19°162.210.97.7
Dec25° / 15°152.310.68.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
29010
39010
49010
59010
6919
7919
8919
9919
10919
11928
12928
13937
14937
15946
16946
17946
18964
19964
20964
21964
22973
23973
24973
25973
26973
27973
28982
29982
30982

Chance of precipitation in September

Any precipitation

Samā’il gets around 0 mm of rain over 0.2 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
41
51
61
71
81
91
100
110
120
130
140
150
160
170
180
190
200
210
220
231
241
251
261
271
281
291
302

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
129362771
230362761
330372760
431372750
532382640
632382640
733382630
834382530
934392520
1035392420
1136392320
1237382320
1339382210
1440372110
1542362110
1644352010
1746341910
1849321810
1951311710
2054291610
2155281610
2257261520
2359251420
2460241420
2562231320
2663221320
2764211320
2864201330
2964201330
3064201330

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.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over September. Sunrise moves from 5:54 AM to 6:03 AM, and sunset from 6:22 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:546:22
212.55:546:21
312.45:546:20
412.45:556:19
512.45:556:18
612.45:556:17
712.35:566:16
812.35:566:15
912.35:566:14
1012.35:576:13
1112.25:576:12
1212.25:576:11
1312.25:586:10
1412.25:586:09
1512.25:586:08
1612.15:596:07
1712.15:596:05
1812.15:596:04
1912.15:596:03
2012.06:006:02
2112.06:006:01
2212.06:006:00
2312.06:015:59
2411.96:015:58
2511.96:015:57
2611.96:025:56
2711.96:025:55
2811.96:035:54
2911.86:035:53
3011.86:035:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.27 kWh/m².

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 7.53 kWh/m² in May across the year — September's 6.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Samā’il

In seasonPeak

In September, Samā’il sits inside its cyclone and dust season. The full year is below, with each hazard's peak months called out.

Samā’il sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Samā’il sees seasonal dust haze (April–September), heaviest in July.

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

Is September a good time to visit Samā’il?

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

2.3
Sightseeing
8th-best month of the year
6.0
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Samā’il.

What to pack for Samā’il in September

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

In September, Samā’il sees daytime highs around 37°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Samā’il in September

The nearest coast averages about 30°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 56 km away) is warmest in June at about 32°C and coldest in February near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr27Warm
May30Tropical
Jun32Tropical
Jul31Tropical
Aug31Tropical
Sep30Tropical
Oct30Tropical
Nov28Warm
Dec25Warm

UV index in Samā’il 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 Samā’il peaks around May 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highHighMay 15UV 11Dec 15UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr10Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep10Very high
Oct9Very high
Nov6High
Dec6High

Air quality in Samā’il 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 Samā’il is worst in July — around 84 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (December, 25 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1882 µg/m³Dec 1425 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb33Moderate
Mar37Poor
Apr43Poor
May48Poor
Jun57Unhealthy
Jul84Unhealthy
Aug67Unhealthy
Sep44Poor
Oct31Moderate
Nov27Moderate
Dec25Moderate
Location & terrain

Where is Samā’il?

Samā’il sits at 23.3°N, 58.0°E, 405 m above sea level, in Oman. The nearest listed city is Sufālat Samā’il, 7.0 km away.

Topography around Samā’il

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

Within 3 km, the terrain around Samā’il has significant variations in elevation — a maximum elevation change of 346 m around an average of 425 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,081 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,973 m.

The land around Samā’il is covered by bare terrain (80%) within 3 km, bare terrain (93%) within 16 km, and bare terrain (77%) within 80 km.

3 km
346 m
16 km
2,081 m
80 km
2,973 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Sufālat Samā’il 7.0 km · Bidbid 22 km · Barkā’ 43 km · Izkī 45 km · Seeb 48 km · Rustaq 55 km · Bawshar 55 km · Muscat 56 km

Oman travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$19,947
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
91%
of population, 2024
Homicide rate
0.1
per 100k, 2023
Road deaths
10.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 407
Religion
Muslim 86%Christian 6%Hindu 6%other and unaffiliated 2%

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 Samā’il (23.2984°, 57.9531°, elevation 405 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).