Best time to go

Riobamba in September 2026: weather, temperatures and activities

Do you want to visit Riobamba in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Riobamba, Ecuador.

Custom search

Is it worth visiting Riobamba in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Riobamba.
What matters most?
Riobamba in September 2026: weather, temperatures and activities

Page summary

Riobamba in September in summary
Very bad weather
Min 3°C Max 15°C 172 mm 11 day(s) 90% 36% 10.8 h/day 14.9 cm
Best activities in September
Cultural visits and heritageNature and landscapesGastronomy
Practical guidelines
Moderate crowds 06:07 18:12
Hourly weather

Average weather in Riobamba in September 2026

Very bad weather

The weather in Riobamba in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

Loading hourly weather...
Loading hourly weather...
Loading hourly weather...
Climate

Climate of Riobamba in September

Temperatures, precipitation, snow and monthly trends help better understand the climate in Riobamba in September.

Temperatures and rain in Riobamba in September

Average daily weather

Temperatures, rain and snow day by day in September, with a separate scale for snow.
Minimal Average Maximums Average rainfall Daily snow

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Riobamba in September

Seasonal normals

Seasonal normals of Riobamba in September

Check the seasonal normals in Riobamba in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 8.6°C 9.1°C 9.8°C
Maximum temperature 14.6°C 15.3°C 15.7°C
Minimum temperature 2.7°C 3.0°C 3.9°C
Record maximum temperature 19.0°C
(2017)
21.0°C
(2018)
24.0°C
(2018)
Record low temperature -2.0°C
(2020)
-2.0°C
(2015)
-1.0°C
(2020)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 2 day(s)
(6%)
5 day(s)
(17%)
6 day(s)
(19%)
Number of days below 0° 1 day(s)
(3%)
1 day(s)
(3%)
0 day(s)
(0%)
Wind
Wind speed 11 km/h 11 km/h 8 km/h
Wind temperature 0.6°C 1.2°C 2.9°C
Precipitation (rain)
Precipitation 121.4 mm 172.0 mm 385.6 mm
Number of days with precipitation 28 day(s)
(90%)
27 day(s)
(90%)
30 day(s)
(97%)
Number of days with significant precipitation (greater than 5 mm) 7 day(s)
(24%)
11 day(s)
(35%)
21 day(s)
(67%)
Record precipitation in one day 55.9 mm
(2009)
88.0 mm
(2009)
111.3 mm
(2009)
Other weather data
Humidity 91% 90% 92%
Visibility 8.6 km 8.7 km 8.5 km
Cloud cover 36% 36% 44%
UV index 2 2 2
Daily sunshine 11h 11h 12h
Sunrise and sunset
Sunrise time 06h17 06h07 05h56
Sunset time 18h21 18h12 18h05
Day length 12h04 12h05 12h09
Our opinion on the climate in September
The review of Where And When very bad weather very bad weather very bad weather
Activities and events

What to do in Riobamba in September?

Best activities in September
Cultural visits and heritageNature and landscapesGastronomy
Possible activities in September
Hiking and trekking
Observed weather

What was the weather like in Riobamba in September last?

Find the observed weather calendar in Riobamba in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Light sleet
6°C14°C2.0 mm
2
Heavy snow
2°C12°C7.3 mm6.9 cm
3
Patchy moderate snow
0°C16°C2.0 mm1.0 cm
4
Partly Cloudy
0°C16°C0.6 mm0.2 cm
5
Mist
6°C14°C1.0 mm
6
Patchy rain nearby
7°C15°C1.3 mm
7
Mist
3°C12°C1.2 mm0.3 cm
8
Partly Cloudy
0°C16°C0.6 mm
9
Light snow showers
3°C15°C1.1 mm0.7 cm
10
Moderate or heavy snow showers
3°C13°C3.2 mm2.9 cm
11
Light snow showers
3°C11°C1.3 mm0.2 cm
12
Fog
2°C12°C1.3 mm
13
Mist
8°C11°C3.0 mm
14
Mist
0°C18°C0.4 mm
15
Clear/Sunny
-2°C17°C0.2 mm
16
Patchy rain nearby
1°C13°C0.3 mm0.1 cm
17
Patchy rain nearby
4°C12°C1.2 mm0.3 cm
18
Partly Cloudy
2°C16°C1.3 mm0.3 cm
19
Partly Cloudy
1°C17°C0.9 mm0.1 cm
20
Partly Cloudy
2°C17°C1.1 mm
21
Patchy moderate snow
3°C18°C2.9 mm1.9 cm
22
Light snow showers
3°C17°C4.2 mm
23
Mist
1°C17°C0.9 mm
24
Partly Cloudy
1°C13°C1.0 mm0.1 cm
25
Light snow showers
1°C11°C1.8 mm1.2 cm
26
Heavy snow
2°C11°C6.7 mm9.8 cm
27
Mist
2°C16°C0.9 mm
28
Light snow
2°C16°C0.9 mm
29
Partly Cloudy
1°C18°C0.1 mm
30
Partly Cloudy
1°C16°C0.5 mm
Nearby

Where to go near Riobamba in September?

Compare cities and destinations near Riobamba in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Riobamba.

Loading...
Every month

Best time to visit Riobamba month by month

Compare the weather in Riobamba across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Riobamba in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Not really. The weather conditions are unfavorable in Riobamba in September, which places this month 9th out of 12. A trip is still possible, but plan a flexible itinerary.

Expect an average of 15°C during the day and 3°C at night, with about 172 mm of precipitation spread over 11 rainy days.

Expect about 10.8 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Cultural visits and heritage, Nature and landscapes and Gastronomy. These are the ones for which the conditions on site are most favourable.

Visitor numbers are moderate: this month is in Moderate crowds, with an index of 43/100. It is often a good compromise between weather and tranquility.
Top
Switch to imperial units?

Temperatures are shown in degrees Celsius and precipitation in millimetres. Based on your country of connection, °F and inches may be more familiar to you.