Hetauda weather in September

In September, Hetauda sees average daytime highs of 28°C and overnight lows near 21°C, with 252 mm of rain across 26.7 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 4th-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 15% of the time in September, and the air most often feels oppressive.

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 Hetauda's 10th-clearest and 9th-windiest month. For the whole year in context, see Hetauda's year-round climate.

Daytime high
28°
6th warmest
Overnight low
21°
9th coldest
Rainfall
252 mm
26.7 wet days
Daylight
12 h 12 min
5:54 AM – 6:04 PM
Cloud cover
71%
10th clearest
Wind
4 km/h
9th windiest
Solar energy
4.01 kWh/m²
Travel score
3.9
out of 10

Hetauda is city in Makwanpur District, Nepal.

Density
749/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 Hetauda reaches about 28°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162822
172821
182821
192821
202721
212721
222721
232721
242721
252721
262721
272721
282721
292720
302720

How September really feels in Hetauda

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.

Hetauda weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 243.910.57.3
Feb21° / 10°285.3117.6
Mar26° / 13°29611.87.7
Apr30° / 17°5510.512.65.4
May30° / 20°15419.713.34.3
Jun29° / 22°3392613.73.4
Jul28° / 23°61630.813.63.2
Aug28° / 22°48630.8133.2
Sep28° / 21°25226.712.23.9
Oct26° / 18°5610.911.36.9
Nov23° / 13°10210.68.7
Dec20° / 101.510.38.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21486
31585
41684
51882
61981
72179
82278
92377
102575
112674
122773
132971
143169
153268
163367
173466
183664
193862
204060
214258
224555
234753
244951
255149
265347
275644
285842
296139
306337

Chance of precipitation in September

Any precipitation

Hetauda gets around 252 mm of rain over 26.7 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 88% and peaks near 97% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
197
297
397
496
596
695
795
894
994
1093
1193
1292
1391
1490
1590
1689
1788
1887
1987
2086
2185
2284
2382
2481
2580
2678
2776
2875
2973
3071

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
10397
20397
30397
40496
50496
60595
70595
80694
90793
100793
110892
120991
1301189
1401288
1501486
1601684
1701882
1802080
1902377
2002674
2102872
2213168
2313465
2413861
2514158
2624454
2724850
2835047
2935443
3045739

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:47 AM to 6:01 AM, and sunset from 6:22 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:476:22
212.55:486:21
312.55:486:19
412.55:496:18
512.55:496:17
612.45:506:16
712.45:506:15
812.45:516:14
912.45:516:12
1012.35:526:11
1112.35:526:10
1212.35:536:09
1312.25:536:08
1412.25:536:06
1512.25:546:05
1612.25:546:04
1712.15:556:03
1812.15:556:02
1912.15:566:00
2012.05:565:59
2112.05:575:58
2212.05:575:57
2312.05:585:56
2411.95:585:54
2511.95:595:53
2611.95:595:52
2711.96:005:51
2811.86:005:50
2911.86:015:48
3011.86:015:47

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 3.57 kWh/m² to a high of 6.36 kWh/m² in April across the year — September's 4.01 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.0Bright
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 Hetauda

In seasonPeak

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

Hetauda'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 Hetauda?

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
4.1
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Hetauda.

What to pack for Hetauda in September

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

In September, Hetauda sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Hetauda 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 Hetauda 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 Hetauda 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 Hetauda is worst in January — around 141 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (July, 30 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 14139 µg/m³Jul 2131 µg/m³
PM2.5 (µg/m³)Level
Jan141Unhealthy
Feb123Unhealthy
Mar106Unhealthy
Apr88Unhealthy
May61Unhealthy
Jun53Poor
Jul30Moderate
Aug36Poor
Sep44Poor
Oct73Unhealthy
Nov104Unhealthy
Dec132Unhealthy
Location & terrain

Where is Hetauda?

Hetauda sits at 27.4°N, 85.0°E, 467 m above sea level, in Nepal. The nearest listed city is Ki̇̄rtipur, 37 km away.

Madhyapur ThimiBhaktapurBirgañjPanautiBanepā

Topography around Hetauda

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

Within 3 km, the terrain around Hetauda has significant variations in elevation — a maximum elevation change of 557 m around an average of 528 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,219 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,773 m.

The land around Hetauda is covered by trees (54%) and artificial surfaces (22%) within 3 km, trees (80%) within 16 km, and trees (62%) and cropland (31%) within 80 km.

3 km
557 m
16 km
2,219 m
80 km
4,773 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ki̇̄rtipur 37 km · Patan 39 km · Kathmandu 42 km · Madhyapur Thimi 45 km · Bhaktapur 48 km · Birgañj 48 km · Panauti 51 km · Banepā 53 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 Hetauda (27.4284°, 85.0322°, elevation 467 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).