Ki̇̄rtipur weather in September

In September, Ki̇̄rtipur sees average daytime highs of 25°C and overnight lows near 18°C, with 334 mm of rain across 28.4 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 8% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Ki̇̄rtipur's 9th-clearest and 11th-windiest month. For the whole year in context, see Ki̇̄rtipur's year-round climate.

Daytime high
25°
5th warmest
Overnight low
18°
9th coldest
Rainfall
334 mm
28.4 wet days
Daylight
12 h 12 min
5:53 AM – 6:03 PM
Cloud cover
77%
9th clearest
Wind
3 km/h
11th windiest
Solar energy
4.01 kWh/m²
Travel score
3.9
out of 10

Ki̇̄rtipur is municipality in Kathmandu District, Nepal.

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 25°C through the month.

A typical September day in Ki̇̄rtipur reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12519
22519
32519
42519
52519
62519
72519
82519
92519
102519
112519
122519
132519
142518
152518
162518
172518
182518
192518
202518
212518
222518
232518
242518
252418
262417
272417
282417
292417
302417

Ki̇̄rtipur weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 446.310.45.2
Feb17° / 507.8116.0
Mar21° / 10°549.511.86.8
Apr24° / 13°7812.912.66.6
May25° / 16°19822.413.45.1
Jun25° / 19°45727.413.73.9
Jul25° / 20°7843113.63.3
Aug25° / 20°63730.9133.4
Sep25° / 18°33428.412.23.9
Oct23° / 14°8714.511.36.3
Nov20° / 10°226.210.67.1
Dec16° / 193.310.36.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2892
3991
41090
51090
61189
71387
81387
91585
101684
111882
121882
132080
142179
152278
162377
172476
182674
192773
202971
213169
223466
233664
243763
253961
264159
274456
284654
294951
305149

Chance of precipitation in September

Any precipitation

Ki̇̄rtipur gets around 334 mm of rain over 28.4 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 93% and peaks near 99% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
199
299
398
498
598
698
797
897
997
1096
1196
1296
1395
1495
1595
1694
1794
1894
1994
2093
2193
2292
2391
2490
2589
2687
2786
2884
2982
3080

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 65% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
10595
20694
30793
40892
50991
601090
701189
801387
901486
1001684
1101783
1201981
1302278
1402476
1502773
1603070
1703367
1803763
1904060
2014455
2114752
2215148
2325444
2425840
2536136
2646432
2756728
2876825
2987022
30107119

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 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
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 5:46 AM to 6:00 AM, and sunset from 6:21 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:466:21
212.65:476:20
312.55:476:19
412.55:486:17
512.55:486:16
612.45:496:15
712.45:496:14
812.45:506:13
912.45:506:12
1012.35:516:10
1112.35:516:09
1212.35:516:08
1312.25:526:07
1412.25:526:06
1512.25:536:04
1612.25:536:03
1712.15:546:02
1812.15:546:01
1912.15:555:59
2012.05:555:58
2112.05:565:57
2212.05:565:56
2312.05:575:55
2411.95:575:53
2511.95:585:52
2611.95:585:51
2711.95:595:50
2811.85:595:49
2911.86:005:47
3011.86:005:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.01 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 6.25 kWh/m² in April across the year — September's 4.01 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.0Bright
214.0Bright
224.0Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Ki̇̄rtipur

In seasonPeak

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

Ki̇̄rtipur's monsoon runs June–August, when most of the year's rain falls.

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

Is September a good time to visit Ki̇̄rtipur?

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

3.9
Sightseeing
9th-best month of the year
3.5
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Ki̇̄rtipur.

What to pack for Ki̇̄rtipur in September

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

In September, Ki̇̄rtipur sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 28 days see rain.

rain gearlight clothes

UV index in Ki̇̄rtipur in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ki̇̄rtipur peaks around July 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highModerateJul 20UV 12Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar9Very high
Apr9Very high
May9Very high
Jun9Very high
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov5Moderate
Dec4Moderate

Air quality in Ki̇̄rtipur 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 Ki̇̄rtipur is worst in January — around 144 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (July, 26 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 10144 µg/m³Jul 1927 µg/m³
PM2.5 (µg/m³)Level
Jan144Unhealthy
Feb127Unhealthy
Mar99Unhealthy
Apr84Unhealthy
May63Unhealthy
Jun46Poor
Jul26Moderate
Aug35Moderate
Sep48Poor
Oct77Unhealthy
Nov111Unhealthy
Dec142Unhealthy
Location & terrain

Where is Ki̇̄rtipur?

Ki̇̄rtipur sits at 27.7°N, 85.3°E, 1,343 m above sea level, in Nepal. The nearest listed city is Patan, 4.0 km away.

Topography around Ki̇̄rtipur

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

Within 3 km, the terrain around Ki̇̄rtipur has significant variations in elevation — a maximum elevation change of 527 m around an average of 1,342 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,794 m; within 80 km, extreme variations in elevation — a maximum elevation change of 7,247 m.

The land around Ki̇̄rtipur is covered by artificial surfaces (49%) and cropland (30%) within 3 km, trees (52%) and cropland (20%) within 16 km, and trees (71%) within 80 km.

3 km
527 m
16 km
1,794 m
80 km
7,247 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icemoss and lichen
September weather nearby: Patan 4.0 km · Kathmandu 5.0 km · Madhyapur Thimi 11 km · Bhaktapur 15 km · Nagarkot 24 km · Banepā 25 km · Panauti 26 km · Dhulikhel 27 km

Nepal travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / D / M
230 V · 50 Hz
Prices
≈ 24% of US
price level, 2025
GDP per capita
$1,536
2025
Happiness
5.1 / 10
World Happiness, 2025
Safe drinking water
16%
of population, 2024
Homicide rate
2.1
per 100k, 2020
Road deaths
16.3
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 514
Religion
Hindu 81%Buddhist 8%Muslim 5%Kirat 3%

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 Ki̇̄rtipur (27.6785°, 85.2757°, elevation 1,343 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).