Bitlis weather in September

In September, Bitlis sees average daytime highs of 25°C and overnight lows near 12°C, with 18 mm of rain across 3.2 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 22°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 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Bitlis's 3rd-clearest and 5th-windiest month. For the whole year in context, see Bitlis's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
12°
9th coldest
Rainfall
18 mm
3.2 wet days
Daylight
12 h 12 min
4:59 AM – 5:13 PM
Cloud cover
16%
3rd clearest
Wind
7 km/h
5th windiest
Solar energy
5.84 kWh/m²
Travel score
8.6
out of 10

Bitlis is central district and city in Bitlis Province, Turkey.

Air quality
Good
PM10 29.3 µg/m³ · 2018

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 22°C by the end.

A typical September day in Bitlis reaches about 25°C in the afternoon and slips back to 12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12814
22814
32814
42714
52714
62714
72713
82713
92613
102613
112613
122613
132612
142512
152512
162512
172512
182411
192411
202411
212411
222311
232311
242310
252310
262210
272210
282210
29229
30219

How September really feels in Bitlis

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Bitlis weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -8°11511.912.29.60.0
Feb / -6°12111.511.310.50.0
Mar / -2°14414.710.711.70.4
Apr12° / 15317.13.8132.6
May18° / 11516.70.114.15.2
Jun25° / 12°317014.67.8
Jul29° / 16°102.9014.46.9
Aug30° / 16°61.9013.56.8
Sep25° / 12°183.2012.38.6
Oct18° / 7490.3116.1
Nov / -0°888.93.89.91.9
Dec / -6°1131110.39.40.0

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 8% of September, with mostly cloudy or overcast conditions the remaining 5%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2982
3982
4982
5982
6982
7982
8982
9982
10982
11973
12964
13964
14964
15964
16964
17964
18964
19955
20946
21946
22946
23937
24928
25928
26928
279010
289010
298911
308911

Chance of precipitation in September

Any precipitation

Bitlis gets around 18 mm of rain over 3.2 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 11% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
16
26
35
45
56
66
76
86
97
107
118
128
139
149
1510
1611
1712
1812
1913
2014
2114
2215
2316
2417
2518
2618
2719
2819
2920
3020

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.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

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.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min 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 78 minutes over September. Sunrise moves from 4:45 AM to 5:11 AM, and sunset from 5:37 PM to 4:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.94:455:37
212.84:465:36
312.84:475:34
412.84:485:33
512.74:495:31
612.74:505:30
712.64:505:28
812.64:515:26
912.54:525:25
1012.54:535:23
1112.54:545:21
1212.44:555:20
1312.44:565:18
1412.34:575:17
1512.34:585:15
1612.24:595:13
1712.24:595:12
1812.25:005:10
1912.15:015:08
2012.15:025:07
2112.05:035:05
2212.05:045:03
2311.95:055:02
2411.95:065:00
2511.95:074:58
2611.85:084:57
2711.85:094:55
2811.75:104:54
2911.75:104:52
3011.65:114:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.84 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.82 kWh/m² in July across the year — September's 5.84 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
36.5Intense
46.5Intense
56.4Intense
66.4Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.1Intense
126.0Intense
136.0Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.7Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.4Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.0Bright
Planning a trip in September

Hazard calendar for Bitlis

In seasonPeak

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

Bitlis's rainy season runs October–May, when most of the year's rain falls.

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

Is September a good time to visit Bitlis?

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

8.6
Sightseeing
1st-best month of the year
7.5
Beach & pool
3rd-best month of the year

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

What to pack for Bitlis in September

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

In September, Bitlis sees daytime highs around 25°C and nights near 12°C. Worth packing: light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Bitlis in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bitlis peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 20UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May9Very high
Jun11Extreme
Jul10Very high
Aug11Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Bitlis 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 Bitlis is worst in May — around 26 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 16 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1126 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar24Moderate
Apr25Moderate
May26Moderate
Jun20Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct21Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Bitlis?

Bitlis sits at 38.4°N, 42.1°E, 1,494 m above sea level, in Turkey. The nearest listed city is Tatvan, 18 km away.

Topography around Bitlis

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

Within 3 km, the terrain around Bitlis has large variations in elevation — a maximum elevation change of 632 m around an average of 1,657 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,480 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,055 m.

The land around Bitlis is covered by grassland (77%) within 3 km, grassland (73%) within 16 km, and grassland (64%) within 80 km.

3 km
632 m
16 km
1,480 m
80 km
3,055 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tatvan 18 km · Güroymak 21 km · Hizan 33 km · Ahlat 50 km · Siirt 54 km · Kozluk 60 km · Kurtalan 65 km · Muş 65 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 0%

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 Bitlis (38.4012°, 42.1078°, elevation 1,494 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).