Best time to go

San Christobal Island in September 2026: weather, temperatures and activities

Do you want to visit San Christobal Island 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 San Christobal Island, Solomon Islands.

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Is it worth visiting San Christobal Island in September?

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

Page summary

San Christobal Island in September in summary
Fair weather
Min 25°C Max 27°C 280 mm 15 day(s) 84% 57% UV 6 9.5 h/day
Best activities in September
Beach and swimmingAnimal observationDiving and snorkelingNature and landscapesBoat trip and cruise
Practical guidelines
Very large crowds 06:07 18:09
Hourly weather

Average weather in San Christobal Island in September 2026

Fair weather

The weather in San Christobal Island 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 San Christobal Island in September

Temperatures, precipitation and monthly trends help to better understand the climate in San Christobal Island in September.

Temperatures and rain in San Christobal Island 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 San Christobal Island in September

Seasonal normals

Seasonal normals of San Christobal Island in September

Check the seasonal normals in San Christobal Island 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 26.0°C 26.4°C 26.9°C
Maximum temperature 27.0°C 27.4°C 27.9°C
Minimum temperature 25.1°C 25.5°C 25.9°C
Record maximum temperature 29.0°C
(2014)
30.0°C
(2014)
31.0°C
(2012)
Record low temperature 22.0°C
(2021)
21.0°C
(2020)
23.0°C
(2010)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
2 day(s)
(6%)
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 18 km/h 18 km/h 14 km/h
Wind temperature 25.1°C 25.5°C 25.9°C
Precipitation (rain)
Precipitation 304.8 mm 279.7 mm 324.2 mm
Number of days with precipitation 28 day(s)
(90%)
28 day(s)
(93%)
29 day(s)
(94%)
Number of days with significant precipitation (greater than 5 mm) 16 day(s)
(50%)
15 day(s)
(50%)
18 day(s)
(57%)
Record precipitation in one day 96.9 mm
(2014)
87.4 mm
(2018)
77.2 mm
(2019)
Other weather data
Humidity 84% 84% 83%
Visibility 9.2 km 9.3 km 9.1 km
Cloud cover 58% 57% 51%
UV index 6 6 6
Daily sunshine 9h 10h 11h
Sunrise and sunset
Sunrise time 06h24 06h07 05h49
Sunset time 18h10 18h09 18h08
Day length 11h46 12h02 12h19
Our opinion on the climate in September
The review of Where And When fair weather fair weather fair weather
Activities and events

What to do in San Christobal Island in September?

Best activities in September
Beach and swimmingAnimal observationDiving and snorkelingNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in San Christobal Island in September last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
24°C28°C0.0 mm
2
Patchy rain nearby
24°C28°C0.5 mm
3
Patchy rain nearby
24°C28°C0.7 mm
4
Patchy rain nearby
25°C28°C1.8 mm
5
Patchy rain nearby
25°C27°C2.2 mm
6
Patchy rain nearby
25°C28°C0.4 mm
7
Clear/Sunny
24°C28°C0.0 mm
8
Patchy rain nearby
25°C27°C0.3 mm
9
Light rain shower
24°C26°C2.0 mm
10
Patchy rain nearby
24°C26°C0.1 mm
11
Patchy rain nearby
24°C28°C1.4 mm
12
Patchy rain nearby
24°C27°C2.2 mm
13
Light rain shower
24°C26°C2.2 mm
14
Light rain shower
24°C27°C5.8 mm
15
Patchy rain nearby
24°C27°C1.2 mm
16
Light rain shower
25°C26°C2.6 mm
17
Light rain shower
25°C27°C2.7 mm
18
Patchy rain nearby
25°C27°C0.9 mm
19
Clear/Sunny
24°C28°C0.1 mm
20
Light rain shower
24°C26°C1.7 mm
21
Light rain shower
24°C26°C6.6 mm
22
Light rain shower
25°C27°C0.6 mm
23
Light rain shower
24°C26°C6.0 mm
24
Partly Cloudy
24°C27°C0.4 mm
25
Patchy rain nearby
24°C28°C0.5 mm
26
Patchy rain nearby
24°C27°C0.6 mm
27
Light rain shower
25°C27°C1.9 mm
28
Patchy rain nearby
25°C27°C1.6 mm
29
Light rain shower
25°C27°C3.5 mm
30
Patchy rain nearby
25°C27°C0.5 mm
Nearby

Where to go near San Christobal Island in September?

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

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Every month

Best time to visit San Christobal Island month by month

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

Frequently asked questions

Travel to to San Christobal Island 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 San Christobal Island in September, which ranks this month 5th out of 12. The choice of region will make a real difference.

Expect an average of 27°C during the day and 25°C at night, with about 280 mm of precipitation spread over 15 rainy days.

Expect about 9.5 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Animal observation, Diving and snorkeling and Nature and landscapes. These are the ones for which the conditions on site are most favourable.

Yes: this month is in Very large crowds, with a visitor index of 96/100. Book your accommodation and transportation well in advance.
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