Nyamata weather in September

In September, Nyamata sees average daytime highs of 28°C and overnight lows near 18°C, with 50 mm of rain across 10 wet days and about 12 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 13% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Nyamata's 3rd-clearest and 1st-windiest month. For the whole year in context, see Nyamata's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
50 mm
10 wet days
Daylight
12 hours
5:54 AM – 5:53 PM
Cloud cover
67%
3rd clearest
Wind
7 km/h
1st windiest
Solar energy
5.72 kWh/m²
Travel score
6.1
out of 10

Nyamata is place in Eastern Province, Rwanda.

Density
226/km²
people per km²

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Nyamata reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818

Nyamata weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°721512.15.6
Feb27° / 18°6614.312.15.4
Mar27° / 18°10119.8125.0
Apr26° / 18°14522.7124.5
May26° / 18°7713.211.96.1
Jun27° / 17°122.611.97.4
Jul27° / 17°40.711.97.6
Aug28° / 18°213.611.96.7
Sep28° / 18°5010126.1
Oct27° / 18°10818125.1
Nov26° / 17°1262312.14.5
Dec26° / 18°9318.612.15.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33862
43961
53961
63961
73961
84060
94060
104060
114060
124060
133961
143961
153961
164060
174060
183961
193961
203862
213862
223763
233763
243664
253664
263664
273565
283565
293466
303367

Chance of precipitation in September

Any precipitation

Nyamata gets around 50 mm of rain over 10 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 33% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
124
225
326
426
527
628
728
829
929
1030
1130
1230
1331
1431
1532
1632
1732
1833
1934
2035
2136
2237
2338
2439
2540
2641
2742
2842
2943
3044

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 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1363826
2343927
3324028
4304129
5284231
6264331
7244332
8234433
9224434
10204535
11194536
12184537
13184538
14174538
15174539
16164439
17164440
18154441
19154441
20144442
21144343
22134344
23124245
24114247
25114148
26104149
2794051
2894051
2983953
3073954

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

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
237calm
247calm
257calm
267calm
277calm
287calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

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

Days grow by about 0 minutes over September. Sunrise moves from 6:00 AM to 5:48 AM, and sunset from 5:58 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:005:58
212.06:005:58
312.06:005:57
412.05:595:57
512.05:595:57
612.05:585:56
712.05:585:56
812.05:585:56
912.05:575:56
1012.05:575:55
1112.05:565:55
1212.05:565:55
1312.05:555:54
1412.05:555:54
1512.05:555:54
1612.05:545:53
1712.05:545:53
1812.05:535:53
1912.05:535:52
2012.05:525:52
2112.05:525:52
2212.05:525:52
2312.05:515:51
2412.05:515:51
2512.05:505:51
2612.05:505:50
2712.05:495:50
2812.05:495:50
2912.05:495:50
3012.05:485:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.72 kWh/m².

For context, solar energy here swings from a low near 5.05 kWh/m² to a high of 5.92 kWh/m² in February across the year — September's 5.72 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Nyamata?

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

6.1
Sightseeing
4th-best month of the year
6.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Nyamata for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nyamata in September

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

In September, Nyamata sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Nyamata in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nyamata peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 16Jun 19UV 10
UV index (midday)Level
Jan11Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Nyamata 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 Nyamata is worst in January — around 82 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 1981 µg/m³May 966 µg/m³
PM2.5 (µg/m³)Level
Jan82Unhealthy
Feb80Unhealthy
Mar73Unhealthy
Apr66Unhealthy
May66Unhealthy
Jun75Unhealthy
Jul67Unhealthy
Aug72Unhealthy
Sep72Unhealthy
Oct68Unhealthy
Nov72Unhealthy
Dec77Unhealthy
Location & terrain

Where is Nyamata?

Nyamata sits at 2.2°S, 30.1°E, 1,475 m above sea level, in Rwanda. The nearest listed city is Mugina, 25 km away.

MuginaNderaKigaliKamuhanda / RuyenziRuhangoKirundoRwamaganaShyorongi

Topography around Nyamata

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

Within 3 km, the terrain around Nyamata has only modest variations in elevation — a maximum elevation change of 133 m around an average of 1,425 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 344 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,392 m.

The land around Nyamata is covered by cropland (77%) within 3 km, cropland (60%) within 16 km, and cropland (39%), grassland (23%) and trees (20%) within 80 km.

3 km
133 m
16 km
344 m
80 km
1,392 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Mugina 25 km · Ndera 28 km · Kigali 30 km · Kamuhanda / Ruyenzi 32 km · Ruhango 39 km · Kirundo 43 km · Rwamagana 43 km · Shyorongi 44 km

Rwanda travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$1,124
2025
Happiness
3.3 / 10
World Happiness, 2021
Homicide rate
3.6
per 100k, 2020
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 417
Religion
Catholic 40%Pentecostal 21%Protestant 15%Adventist 12%

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 Nyamata (-2.2042°, 30.1449°, elevation 1,475 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).