Henderson in Spring
In spring (September, October and November), Henderson sees average daytime highs around 16°C and overnight lows near 13°C, with 262 mm of rain over about 36 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 14°C in early September to 18°C by late November. The sky is clear or mostly clear about 23% of the time across spring, and the air most often feels dry.
Spring is Henderson's 3rd-best season to visit on our travel score. For the whole year in context, see Henderson's year-round climate.
- Avg daytime high
- 16°C
- 3rd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 262 mm
- 36 wet days
- Avg wind
- 22 km/h
- Travel score
- 4.6
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Henderson in Spring
Over the season highs climb from about 14°C in early September to 18°C by late November.
A typical spring day in Henderson reaches about 16°C and drops to 13°C overnight. The warmest of the three months is November, the coolest September.
Henderson weather by month
How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 18° | 71 | 8.7 | 14.2 | 6.6 |
| Feb | 21° / 18° | 61 | 7.8 | 13.4 | 6.7 |
| Mar | 20° / 17° | 67 | 8 | 12.3 | 6.7 |
| Apr | 19° / 16° | 82 | 9.8 | 11.1 | 6.0 |
| May | 17° / 14° | 107 | 12.3 | 10.1 | 5.1 |
| Jun | 15° / 12° | 116 | 12.7 | 9.5 | 4.1 |
| Jul | 14° / 11° | 128 | 15 | 9.7 | 3.6 |
| Aug | 14° / 11° | 115 | 15.2 | 10.6 | 3.6 |
| Sep | 14° / 12° | 102 | 13.4 | 11.7 | 4.0 |
| Oct | 16° / 13° | 84 | 11.9 | 13 | 4.6 |
| Nov | 17° / 14° | 76 | 11.1 | 14 | 5.2 |
| Dec | 19° / 16° | 91 | 10.9 | 14.5 | 5.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 23% of the time across spring.
Chance of precipitation in Spring
Henderson gets around 262 mm of rain over 36 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 22 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 12 min in early September to 14 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.3 kWh/m².
Hazard calendar for Henderson
In spring, Henderson overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Henderson sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is spring a good time to visit Henderson?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Henderson for sightseeing.
What to pack for Henderson in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Henderson sees daytime highs around 16°C and nights near 13°C. Pack sun protection. Worth having: a warm layer, rain gear and a windbreaker. About 36 days see rain.
Sea temperature near Henderson in Spring
The nearest coast averages about 15°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 km away) is warmest in February at about 21°C and coldest in August near 14°C.
It's comfortable for a long swim from Jan 18 to Mar 15 — about 1.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 21 | 20 | 19 | 17 | 16 | 15 | 14 | 14 | 15 | 17 | 19 |
| Comfort | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Bracing | Bracing | Bracing | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 20 | Refreshing |
| Apr | 19 | Cool |
| May | 17 | Cool |
| Jun | 16 | Cool |
| Jul | 15 | Bracing |
| Aug | 14 | Bracing |
| Sep | 14 | Bracing |
| Oct | 15 | Cool |
| Nov | 17 | Cool |
| Dec | 19 | Cool |
UV index in Henderson in Spring
Clear-sky midday UV across spring averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Henderson peaks around January 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 11 | 8 | 5 | 3 | 2 | 3 | 4 | 5 | 8 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Low | Moderate | Moderate | Moderate | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 11 | Extreme |
| Mar | 8 | Very high |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 2 | Low |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 5 | Moderate |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Where is Henderson?
Henderson sits at 36.9°S, 174.6°E, 13 m above sea level, in New Zealand. The nearest listed city is Lincoln, 2.0 km away.
Topography around Henderson
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Henderson.
Within 3 km, the terrain around Henderson has only modest variations in elevation — a maximum elevation change of 107 m around an average of 36 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 465 m; within 80 km, large variations in elevation — a maximum elevation change of 905 m.
The land around Henderson is covered by artificial surfaces (47%) and trees (37%) within 3 km, trees (47%) and water (21%) within 16 km, and water (57%) and grassland (23%) within 80 km.
New Zealand travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 86% of US
- price level, 2025
- GDP per capita
- $49,591
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2022
- Road deaths
- 9.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
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 Henderson (-36.8801°, 174.6198°, elevation 13 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.