Gerede weather in September

In September, Gerede sees average daytime highs of 22°C and overnight lows near 9°C, with 44 mm of rain across 7.8 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 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 53% 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 Gerede's 3rd-clearest and 12th-windiest month. For the whole year in context, see Gerede's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
9th coldest
Rainfall
44 mm
7.8 wet days
Daylight
12 h 18 min
5:38 AM – 5:54 PM
Cloud cover
38%
3rd clearest
Wind
6 km/h
12th windiest
Solar energy
4.82 kWh/m²
Travel score
7.3
out of 10

Gerede is town and district of Bolu Province, Turkey.

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 23°C in the first days to 20°C by the end.

A typical September day in Gerede reaches about 22°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 27°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12411
22311
32311
42311
52310
62310
72310
82310
92210
102210
112210
122210
132210
14229
15229
16229
17229
18219
19219
20219
21219
22219
23218
24208
25208
26208
27208
28208
29208
30198

How September really feels in Gerede

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.

Gerede 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 / -5°6812.310.79.40.0
Feb / -4°6912.29.710.40.1
Mar / -1°8714.39.211.71.1
Apr13° / 9115.22.613.13.1
May17° / 10416.90.114.24.8
Jun21° / 10°9014014.96.1
Jul24° / 12°387.7014.67.8
Aug25° / 13°367.3013.67.9
Sep22° / 447.8012.37.3
Oct16° / 619.40.710.95.4
Nov10° / 548.63.79.72.3
Dec / -3°7211.88.49.10.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27822
37822
47822
57723
67723
77723
87723
97723
107723
117624
127624
137624
147624
157525
167426
177426
187327
197228
207030
217030
226931
236832
246733
256733
266634
276535
286535
296535
306436

Chance of precipitation in September

Any precipitation

Gerede gets around 44 mm of rain over 7.8 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 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
225
325
425
525
625
725
825
925
1025
1125
1225
1325
1425
1525
1625
1726
1826
1926
2026
2126
2226
2327
2427
2527
2627
2727
2827
2927
3027

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 (%)Humid (%)
179201
280191
382171
483161
584151
685141
787130
888120
989110
1090100
1190100
129190
139280
149280
159370
169370
179460
189460
199550
209550
219640
229640
239730
249730
259730
269820
279820
289820
299910
309910

Wind in September

Winds average 6 km/h in September, the calmest month.

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 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 5:22 AM to 5:52 AM, and sunset from 6:19 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:226:19
212.95:236:18
312.95:246:16
412.85:256:14
512.85:266:13
612.75:276:11
712.75:286:09
812.65:296:08
912.65:306:06
1012.55:316:04
1112.55:326:02
1212.55:336:01
1312.45:345:59
1412.45:365:57
1512.35:375:55
1612.35:385:54
1712.25:395:52
1812.25:405:50
1912.15:415:48
2012.15:425:46
2112.05:435:45
2212.05:445:43
2311.95:455:41
2411.95:465:39
2511.85:475:38
2611.85:485:36
2711.85:495:34
2811.75:505:32
2911.75:515:31
3011.65:525:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.82 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 6.83 kWh/m² in July across the year — September's 4.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.6Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.2Bright
294.2Bright
304.1Bright
Planning a trip in September

Is September a good time to visit Gerede?

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

7.3
Sightseeing
3rd-best month of the year
4.8
Beach & pool
3rd-best month of the year

September is one of the better times to visit Gerede for general sightseeing.

What to pack for Gerede in September

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

In September, Gerede sees daytime highs around 22°C and nights near 9°C. Worth packing: sun protection. About 8 days see rain.

sun protection

UV index in Gerede 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 Gerede peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr7High
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Gerede 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 Gerede is worst in May — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (January, 11 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodMay 1018 µg/m³Jan 1011 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar17Moderate
Apr17Moderate
May18Moderate
Jun14Moderate
Jul11Good
Aug11Good
Sep11Good
Oct12Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Gerede?

Gerede sits at 40.8°N, 32.2°E, 1,325 m above sea level, in Turkey. The nearest listed city is Bolu, 50 km away.

Topography around Gerede

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

Within 3 km, the terrain around Gerede has significant variations in elevation — a maximum elevation change of 540 m around an average of 1,415 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,284 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,359 m.

The land around Gerede is covered by trees (43%) and grassland (26%) within 3 km, trees (42%), grassland (30%) and cropland (25%) within 16 km, and trees (60%) and grassland (31%) within 80 km.

3 km
540 m
16 km
1,284 m
80 km
2,359 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Bolu 50 km · Devrek 51 km · Kızılcahamam 53 km · Karabük 58 km · Çerkeş 59 km · Safranbolu 65 km · Çaycuma 70 km · Kaynaşlı 74 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 Gerede (40.8008°, 32.1969°, elevation 1,325 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).