Neiva weather in September

In September, Neiva sees average daytime highs of 32°C and overnight lows near 21°C, with 63 mm of rain across 11.2 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°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 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Neiva's 5th-clearest and 4th-windiest month. For the whole year in context, see Neiva's year-round climate.

Daytime high
32°
1st warmest
Overnight low
21°
12th coldest
Rainfall
63 mm
11.2 wet days
Daylight
12 hours
5:55 AM – 5:56 PM
Cloud cover
77%
5th clearest
Wind
6 km/h
4th windiest
Solar energy
5.64 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Neiva reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13221
23221
33321
43321
53321
63321
73321
83321
93321
103321
113321
123321
133321
143321
153321
163321
173321
183321
193321
203321
213321
223221
233221
243221
253221
263221
273221
283221
293221
303221

How September really feels in Neiva

Once humidity and wind are folded in, September averages 30 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
30
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.

Neiva weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°6711.111.84.1
Feb32° / 21°8312.111.93.7
Mar31° / 21°17321.1123.3
Apr30° / 21°2072412.13.2
May30° / 21°15222.812.13.3
Jun30° / 21°6716.612.23.8
Jul31° / 21°4312.112.24.2
Aug32° / 21°29712.14.2
Sep32° / 21°6311.2123.4
Oct31° / 21°1522111.93.2
Nov29° / 20°1732311.93.5
Dec30° / 20°9716.811.84.1

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 16% of September, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22674
32575
42575
52476
62476
72575
82575
92476
102476
112476
122377
132278
142179
152179
162179
172080
182080
192080
201981
211882
221882
231882
241882
251882
261882
271783
281783
291783
301684

Chance of precipitation in September

Any precipitation

Neiva gets around 63 mm of rain over 11.2 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 38% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
124
225
326
427
528
629
730
831
932
1033
1134
1235
1336
1437
1537
1638
1739
1840
1941
2041
2142
2243
2344
2445
2546
2647
2748
2849
2950
3050

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1570232
2570232
3569242
4568252
5568252
6567262
7566272
8565282
9563293
10562303
11462313
12461323
13460333
14458344
15457354
16358354
17356365
18355375
19354385
20353386
21352396
22351406
23350416
24349427
25347437
26346447
27345457
28344468
29343468
30342479

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 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
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 5:59 AM to 5:51 AM, and sunset from 6:03 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:596:03
212.15:596:02
312.15:596:02
412.05:586:01
512.05:586:01
612.05:586:00
712.05:586:00
812.05:576:00
912.05:575:59
1012.05:575:59
1112.05:565:58
1212.05:565:58
1312.05:565:57
1412.05:565:57
1512.05:555:56
1612.05:555:56
1712.05:555:55
1812.05:545:55
1912.05:545:55
2012.05:545:54
2112.05:545:54
2212.05:535:53
2312.05:535:53
2412.05:535:52
2512.05:525:52
2612.05:525:51
2712.05:525:51
2812.05:525:51
2912.05:515:50
3012.05:515:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.64 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 5.64 kWh/m² in September across the year — September's 5.64 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
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Neiva?

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

3.4
Sightseeing
8th-best month of the year
5.8
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Neiva.

What to pack for Neiva in September

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

In September, Neiva sees daytime highs around 32°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Neiva 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 Neiva peaks around February 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 14UV 15Dec 13UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Neiva 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 Neiva is worst in February — around 32 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2031 µg/m³Jul 1211 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb32Moderate
Mar28Moderate
Apr20Moderate
May14Moderate
Jun12Good
Jul11Good
Aug14Moderate
Sep16Moderate
Oct15Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Neiva?

Neiva sits at 2.9°N, 75.3°W, 423 m above sea level, in Colombia. The nearest listed city is Rivera, 17 km away.

Topography around Neiva

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

Within 3 km, the terrain around Neiva has only modest variations in elevation — a maximum elevation change of 130 m around an average of 464 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,366 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,765 m.

The land around Neiva is covered by artificial surfaces (48%) and trees (30%) within 3 km, grassland (59%) and trees (28%) within 16 km, and trees (64%) and grassland (33%) within 80 km.

3 km
130 m
16 km
1,366 m
80 km
3,765 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Rivera 17 km · Campoalegre 28 km · Planadas 50 km · Gigante 67 km · Rioblanco 78 km · Natagaima 80 km · Belalcázar 83 km · Garzón 90 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 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 Neiva (2.93°, -75.2797°, elevation 423 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).