Birendranagar weather in September

In September, Birendranagar sees average daytime highs of 29°C and overnight lows near 23°C, with 244 mm of rain across 22.6 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 29°C through the month. The sky is clear or mostly clear about 35% 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 Birendranagar's 10th-clearest and 10th-windiest month. For the whole year in context, see Birendranagar's year-round climate.

Daytime high
29°
6th warmest
Overnight low
23°
9th coldest
Rainfall
244 mm
22.6 wet days
Daylight
12 h 12 min
6:08 AM – 6:18 PM
Cloud cover
57%
10th clearest
Wind
4 km/h
10th windiest
Solar energy
4.34 kWh/m²
Travel score
3.8
out of 10

Birendranagar is city.

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 29°C through the month.

A typical September day in Birendranagar reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°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)
13024
23024
33023
43023
53023
63023
73023
83023
93023
103023
113023
122923
132923
142923
152923
162923
172923
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282921
292921
302921

How September really feels in Birendranagar

Once humidity and wind are folded in, September averages 28 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
28
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Birendranagar 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
Jan19° / 424.510.47.3
Feb22° / 10°404.4118.0
Mar27° / 13°26311.87.7
Apr32° / 18°18412.74.6
May34° / 22°397.213.43.5
Jun33° / 24°2931813.83.1
Jul30° / 24°64230.313.62.7
Aug30° / 24°55630.2132.7
Sep29° / 23°24422.612.23.8
Oct28° / 18°384.911.37.4
Nov25° / 13°71.110.69.1
Dec20° / 161.410.28.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22872
33070
43268
53466
63466
73763
83961
94060
104357
114555
124753
134852
145050
155248
165446
175644
185941
196238
206337
216634
226931
237030
247327
257525
267624
277921
288020
298119
308317

Chance of precipitation in September

Any precipitation

Birendranagar gets around 244 mm of rain over 22.6 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 75% and peaks near 91% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
290
389
488
587
687
786
886
985
1084
1183
1282
1381
1480
1579
1678
1777
1875
1973
2071
2169
2267
2365
2462
2560
2658
2755
2852
2950
3047

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1005545
2005743
3006040
4006337
5006535
6006832
7007129
8007426
9007723
10007921
11018019
12018217
13018316
14018514
15018613
16028612
17028711
18038710
1904888
2005887
2106877
2207876
2318865
24110845
25112834
26115813
27218773
28221752
29324712
30327691

Wind in September

Winds average 4 km/h in September.

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
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 6:00 AM to 6:15 AM, and sunset from 6:36 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:006:36
212.66:016:35
312.56:016:34
412.56:026:33
512.56:026:31
612.56:036:30
712.46:036:29
812.46:046:28
912.46:046:27
1012.36:056:25
1112.36:056:24
1212.36:066:23
1312.36:066:22
1412.26:076:20
1512.26:076:19
1612.26:086:18
1712.16:086:17
1812.16:096:15
1912.16:096:14
2012.16:106:13
2112.06:106:12
2212.06:116:10
2312.06:116:09
2411.96:126:08
2511.96:126:07
2611.96:136:05
2711.86:136:04
2811.86:146:03
2911.86:156:02
3011.86:156:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.34 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.77 kWh/m² in May across the year — September's 4.34 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in September

Hazard calendar for Birendranagar

In seasonPeak

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

Birendranagar'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 Birendranagar?

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

3.8
Sightseeing
8th-best month of the year
5.1
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Birendranagar.

What to pack for Birendranagar in September

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

In September, Birendranagar sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 23 days see rain.

light clothesrain gear

UV index in Birendranagar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Birendranagar peaks around August 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateAug 21UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar8Very high
Apr8Very high
May9Very high
Jun10Very high
Jul8Very high
Aug10Very high
Sep9Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Birendranagar 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 Birendranagar is worst in April — around 80 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (July, 30 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1579 µg/m³Jul 2430 µg/m³
PM2.5 (µg/m³)Level
Jan79Unhealthy
Feb70Unhealthy
Mar59Unhealthy
Apr80Unhealthy
May56Unhealthy
Jun52Poor
Jul30Moderate
Aug31Moderate
Sep35Poor
Oct51Poor
Nov69Unhealthy
Dec74Unhealthy
Location & terrain

Where is Birendranagar?

Birendranagar sits at 28.6°N, 81.6°E, 697 m above sea level, in Nepal. The nearest listed city is Dailekh, 29 km away.

ṬikāpurGulariyāNepalgunjTulsi̇̄purDipayalDhangaḍhi̇̄Amargaḍhi̇̄

Topography around Birendranagar

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

Within 3 km, the terrain around Birendranagar has significant variations in elevation — a maximum elevation change of 484 m around an average of 733 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,971 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,534 m.

The land around Birendranagar is covered by trees (41%), cropland (35%) and artificial surfaces (20%) within 3 km, trees (85%) within 16 km, and trees (70%) within 80 km.

3 km
484 m
16 km
1,971 m
80 km
4,534 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Dailekh 29 km · Ṭikāpur 49 km · Gulariyā 51 km · Nepalgunj 61 km · Tulsi̇̄pur 84 km · Dipayal 99 km · Dhangaḍhi̇̄ 101 km · Amargaḍhi̇̄ 127 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 Birendranagar (28.5967°, 81.6166°, elevation 697 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).