Guder weather in September

In September, Guder sees average daytime highs of 21°C and overnight lows near 12°C, with 434 mm of rain across 28.4 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Guder's 10th-clearest and 12th-windiest month. For the whole year in context, see Guder's year-round climate.

Daytime high
21°
10th warmest
Overnight low
12°
6th coldest
Rainfall
434 mm
28.4 wet days
Daylight
12 hours
6:22 AM – 6:25 PM
Cloud cover
72%
10th clearest
Wind
3 km/h
12th windiest
Solar energy
5.42 kWh/m²
Travel score
3.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical September day in Guder reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62012
72012
82012
92012
102012
112112
122112
132112
142112
152112
162112
172112
182112
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302211

Guder weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 10°355.911.57.8
Feb25° / 11°426.611.77.4
Mar25° / 12°11913.111.96.4
Apr25° / 12°18717.312.25.6
May24° / 12°39123.112.44.8
Jun22° / 12°28429.412.53.6
Jul20° / 12°28330.912.53.2
Aug20° / 12°2903112.33.2
Sep21° / 12°43428.412.13.7
Oct23° / 10°18910.411.86.7
Nov23° / 10°594.311.68.0
Dec24° / 163.111.58.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 83%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2892
3892
4892
5991
6991
71090
81189
91189
101288
111288
121288
131387
141387
151486
161486
171684
181684
191684
201882
212080
222080
232377
242575
252773
262971
273169
283565
293763
303961

Chance of precipitation in September

Any precipitation

Guder gets around 434 mm of rain over 28.4 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 100% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
1100
2100
3100
4100
599
699
799
899
999
1099
1199
1298
1398
1498
1597
1697
1796
1896
1995
2094
2193
2291
2389
2487
2585
2682
2779
2876
2973
3070

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
13466
23466
33565
43565
53565
63664
73664
83763
93763
103763
113862
123862
133961
144060
154060
164159
174258
184357
194456
204654
214753
224951
235149
245347
255545
265743
276040
286238
296436
306634

Wind in September

Winds average 3 km/h in September, the calmest month.

Across September, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 6:23 AM to 6:20 AM, and sunset from 6:34 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:236:34
212.26:236:33
312.26:236:33
412.16:236:32
512.16:236:32
612.16:236:31
712.16:236:30
812.16:236:30
912.16:236:29
1012.16:236:28
1112.16:226:28
1212.16:226:27
1312.16:226:27
1412.16:226:26
1512.16:226:25
1612.06:226:25
1712.06:226:24
1812.06:226:23
1912.06:216:23
2012.06:216:22
2112.06:216:22
2212.06:216:21
2312.06:216:20
2412.06:216:20
2512.06:216:19
2612.06:216:19
2712.06:216:18
2811.96:216:17
2911.96:206:17
3011.96:206:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.42 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.28 kWh/m² in March across the year — September's 5.42 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Guder

In seasonPeak

In September, Guder sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Guder's rainy season runs May–September, 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 Guder?

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

3.7
Sightseeing
9th-best month of the year
2.2
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Guder.

What to pack for Guder in September

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

In September, Guder sees daytime highs around 21°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 28 days see rain.

rain gearsun protection

UV index in Guder in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guder peaks around March 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 16Nov 21UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Guder 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 Guder is worst in January — around 40 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (August, 25 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1640 µg/m³Aug 1225 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb39Poor
Mar34Moderate
Apr31Moderate
May27Moderate
Jun29Moderate
Jul26Moderate
Aug25Moderate
Sep30Moderate
Oct37Poor
Nov37Poor
Dec39Poor
Location & terrain

Where is Guder?

Guder sits at 9.0°N, 37.8°E, 1,927 m above sea level, in Ethiopia. The nearest listed city is Hāgere Hiywet, 10 km away.

Topography around Guder

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

Within 3 km, the terrain around Guder has significant variations in elevation — a maximum elevation change of 501 m around an average of 2,048 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,393 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,223 m.

The land around Guder is covered by cropland (66%) within 3 km, cropland (68%) within 16 km, and cropland (71%) within 80 km.

3 km
501 m
16 km
1,393 m
80 km
2,223 m
treesshrubsgrasslandcroplandartificial surfaceswetland
September weather nearby: Hāgere Hiywet 10 km · Gēdo 35 km · Gīnch’ī 43 km · Waliso 53 km · Tulu Bolo 60 km · Kachīsī 70 km · Ādīs ‘Alem 71 km · Welk’īt’ē 76 km

Ethiopia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F / L
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$933
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
14%
of population, 2024
Homicide rate
8.5
per 100k, 2012
Road deaths
28.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 499
Religion
Ethiopian Orthodox 44%Muslim 31%Protestant 23%other 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 Guder (8.9705°, 37.7612°, elevation 1,927 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).