Sīnah weather in September

In September, Sīnah sees average daytime highs of 35°C and overnight lows near 20°C, with 1 mm of rain across 0.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 38°C in the first days to 32°C by the end. The sky is clear or mostly clear about 95% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Sīnah's 3rd-clearest and 7th-windiest month. For the whole year in context, see Sīnah's year-round climate.

Daytime high
35°
4th warmest
Overnight low
20°
9th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 h 12 min
5:55 AM – 6:09 PM
Cloud cover
6%
3rd clearest
Wind
7 km/h
7th windiest
Solar energy
5.99 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 38°C in the first days to 32°C by the end.

A typical September day in Sīnah reaches about 35°C in the afternoon and slips back to 20°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 39°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13822
23822
33822
43722
53721
63721
73721
83721
93621
103620
113620
123620
133620
143620
153520
163519
173519
183519
193519
203419
213419
223418
233418
243318
253318
263318
273318
283218
293217
303217

How September really feels in Sīnah

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.

Sīnah weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 91101.59.82.7
Feb13° / 809.91.510.63.5
Mar17° / 87100.211.75.6
Apr23° / 11°578.5012.97.2
May30° / 16°244.4013.96.2
Jun37° / 21°10.4014.52.3
Jul40° / 25°10.2014.30.1
Aug40° / 24°00.1013.40.3
Sep35° / 20°10.3012.23.4
Oct28° / 15°223.20117.1
Nov19° / 556.30106.8
Dec13° / 838.80.79.53.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 95% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 2%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20982
21982
22973
23973
24973
25973
26964
27955
28955
29955
30946

Chance of precipitation in September

Any precipitation

Sīnah gets around 1 mm of rain over 0.3 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
70
80
90
100
110
120
130
140
150
160
171
181
191
201
211
221
231
242
252
262
272
282
292
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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
18515
28614
38713
48812
58812
68911
79010
8919
9919
10928
11928
12937
13937
14937
15946
16946
17946
18946
19946
20955
21955
22946
23946
24946
25946
26937
27937
28937
29937
30937

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:43 AM to 6:07 AM, and sunset from 6:32 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:436:32
212.85:446:31
312.75:446:29
412.75:456:28
512.75:466:26
612.65:476:25
712.65:486:23
812.65:496:22
912.55:496:20
1012.55:506:19
1112.45:516:17
1212.45:526:15
1312.45:536:14
1412.35:546:12
1512.35:546:11
1612.25:556:09
1712.25:566:08
1812.25:576:06
1912.15:586:04
2012.15:596:03
2112.05:596:01
2212.06:006:00
2311.96:015:58
2411.96:025:57
2511.96:035:55
2611.86:045:53
2711.86:055:52
2811.76:055:50
2911.76:065:49
3011.76:075:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.99 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.89 kWh/m² in June across the year — September's 5.99 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.3Intense
96.3Intense
106.3Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.0Intense
166.0Bright
175.9Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.2Bright
Planning a trip in September

Hazard calendar for Sīnah

In seasonPeak

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

Sīnah's rainy season runs November–April, when most of the year's rain falls.

Sīnah sees seasonal dust haze (April–May), heaviest in May.

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

Is September a good time to visit Sīnah?

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

3.4
Sightseeing
8th-best month of the year
7.0
Beach & pool
3rd-best month of the year

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

What to pack for Sīnah in September

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

In September, Sīnah sees daytime highs around 35°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Sīnah in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sīnah peaks around June 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 17UV 10Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul9Very high
Aug10Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Sīnah 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 Sīnah is worst in March — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2140 µg/m³Dec 1027 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb34Moderate
Mar40Poor
Apr39Poor
May38Poor
Jun35Poor
Jul31Moderate
Aug30Moderate
Sep30Moderate
Oct31Moderate
Nov27Moderate
Dec27Moderate
Location & terrain

Where is Sīnah?

Sīnah sits at 36.8°N, 43.0°E, 604 m above sea level, in Iraq. The nearest listed city is Dihok, 8.0 km away.

MosulAl Mawşil al Jadīdah

Topography around Sīnah

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

Within 3 km, the terrain around Sīnah has significant variations in elevation — a maximum elevation change of 536 m around an average of 663 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,026 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,121 m.

The land around Sīnah is covered by grassland (57%) and cropland (37%) within 3 km, grassland (54%) and cropland (29%) within 16 km, and grassland (44%) and cropland (43%) within 80 km.

3 km
536 m
16 km
1,026 m
80 km
3,121 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Dihok 8.0 km · Simele 18 km · Sumayl 18 km · Tallkayf 36 km · Batifa 41 km · Zaxo 49 km · Mosul 53 km · Al Mawşil al Jadīdah 53 km

Iraq travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / G
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$5,410
2025
Happiness
5.2 / 10
World Happiness, 2025
Safe drinking water
60%
of population, 2024
Homicide rate
9.5
per 100k, 2013
Road deaths
27.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 406
Religion
Christian 1%

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 Sīnah (36.8085°, 43.0393°, elevation 604 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).