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Adam's Peak in September 2026: weather, temperatures and activities

Do you want to visit Adam's Peak 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 Adam's Peak, Sri Lanka.

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Is it worth visiting Adam's Peak in September?

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

Page summary

Adam's Peak in September in summary
Fair weather
Min 24°C Max 29°C 401 mm 19 day(s) 87% 58% UV 6 11.0 h/day
Best activities in September
Hiking and trekking
Practical guidelines
Moderate crowds 05:59 18:08
Hourly weather

Average weather in Adam's peak in September 2026

Fair weather

The weather in Adam's peak 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.

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Climate

Climate of Adam's peak in September

Temperatures, precipitation and monthly trends help to better understand the climate in Adam's peak in September.

Temperatures and rain in Adam's peak in September

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

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 Adam's peak in September

Seasonal normals

Seasonal normals of Adam's peak in September

Check the seasonal normals in Adam's peak 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 26.7°C 26.6°C 26.5°C
Maximum temperature 28.5°C 28.8°C 29.5°C
Minimum temperature 24.9°C 24.3°C 23.6°C
Record maximum temperature 32.0°C
(2012)
33.0°C
(2018)
32.0°C
(2009)
Record low temperature 18.0°C
(2018)
18.0°C
(2019)
18.0°C
(2021)
Number of days at +30° 12 day(s)
(39%)
12 day(s)
(40%)
18 day(s)
(58%)
Number of days at +18° 31 day(s)
(100%)
30 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Wind
Wind speed 14 km/h 13 km/h 11 km/h
Wind temperature 24.9°C 24.4°C 23.6°C
Precipitation (rain)
Precipitation 375.4 mm 400.9 mm 620.1 mm
Number of days with precipitation 29 day(s)
(94%)
27 day(s)
(90%)
29 day(s)
(94%)
Number of days with significant precipitation (greater than 5 mm) 21 day(s)
(67%)
19 day(s)
(63%)
22 day(s)
(71%)
Record precipitation in one day 89.8 mm
(2009)
78.9 mm
(2017)
115.4 mm
(2009)
Other weather data
Humidity 86% 87% 88%
Visibility 8.3 km 8.0 km 7.6 km
Cloud cover 62% 58% 52%
UV index 6 6 6
Daily sunshine 9h 11h 10h
Sunrise and sunset
Sunrise time 06h02 05h59 05h55
Sunset time 18h22 18h08 17h53
Day length 12h20 12h09 11h58
Our opinion on the climate in September
The review of Where And When adverse weather fair weather very bad weather
Activities and events

What to do in Adam's peak in September?

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

What was the weather like in Adam's peak in September last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
19°C28°C0.1 mm
2
Patchy rain nearby
19°C27°C0.0 mm
3
Clear/Sunny
16°C28°C0.0 mm
4
Patchy rain nearby
16°C27°C0.0 mm
5
Patchy rain nearby
19°C28°C0.1 mm
6
Patchy rain nearby
18°C28°C1.0 mm
7
Light rain shower
17°C26°C4.5 mm
8
Moderate or heavy rain shower
18°C25°C7.9 mm
9
Light rain shower
19°C25°C3.7 mm
10
Light rain shower
19°C27°C2.0 mm
11
Clear/Sunny
19°C25°C0.0 mm
12
Clear/Sunny
17°C28°C0.0 mm
13
Patchy rain nearby
16°C25°C0.2 mm
14
Patchy rain nearby
15°C28°C0.8 mm
15
Light rain shower
18°C27°C0.5 mm
16
Patchy rain nearby
16°C27°C0.4 mm
17
Patchy rain nearby
15°C25°C1.0 mm
18
Patchy rain nearby
13°C26°C0.3 mm
19
Light rain shower
14°C24°C1.2 mm
20
Patchy rain nearby
14°C27°C0.0 mm
21
Patchy rain nearby
14°C25°C0.0 mm
22
Patchy rain nearby
13°C23°C0.0 mm
23
Clear/Sunny
14°C21°C0.0 mm
24
Patchy rain nearby
14°C24°C0.5 mm
25
Patchy rain nearby
14°C23°C1.0 mm
26
Light drizzle
15°C18°C6.8 mm
27
Patchy rain nearby
14°C25°C0.1 mm
28
Partly Cloudy
14°C23°C0.0 mm
29
Patchy rain nearby
14°C25°C0.0 mm
30
Patchy rain nearby
15°C24°C0.0 mm
Nearby

Where to go near Adam's peak in September?

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

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Every month

Best time to visit Adam's Peak month by month

Compare the weather in Adam's peak across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Adam's Peak in September: your frequently asked questions

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

It's an average period, nothing special. Conditions are mediocre in Adam's peak in September, which ranks this month 4th out of 12. The choice of region will make a real difference.

Expect an average of 29°C during the day and 24°C at night, with about 401 mm of precipitation spread over 19 rainy days.

Expect about 11.0 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Hiking and trekking. 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 44/100. It is often a good compromise between weather and tranquility.

If your dates are flexible, the most favorable months in Adam's peak are: January. Compare them before finalizing your departure.
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