Vietnam / Hoi An / 17 September

Weather in Hoi An on 17 September 2026

Preliminary outlook for 17 September 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +30°C and nighttime around +25°C, average precipitation 1.6 mm, wind around 2 m/s, humidity around 83%.

This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.

← 16 September
Nearby days
18 September →
+26°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +24°C Precipitation: 0.8 mm Wind: 2 — 3 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 7 h
UV index 6 Cloud cover (avg.) 76%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +23°C
Heat index (avg.) +28°C Wind chill (avg.) +25°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 204° ← (WNW)
Sunrise
05:36
Duration
12 h 11 min
Sunset
17:47
Moonrise
01:18
Moonset
14:47
Moon phase
Waning Crescent
Illumination
20%
+27°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +25°C Precipitation: 0.3 mm Wind: 3 — 4 m/s Humidity: 83%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 5 h
UV index 6 Cloud cover (avg.) 63%
Pressure (avg.) 753 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +23°C
Heat index (avg.) +30°C Wind chill (avg.) +27°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 137° ↑ (N)
Sunrise
05:36
Duration
12 h 11 min
Sunset
17:47
Moonrise
17:18
Moonset
04:28
Moon phase
Full Moon
Illumination
100%
+27°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +25°C Precipitation: 1.4 mm Wind: 2 — 3 m/s Humidity: 86%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 6 h
UV index 7 Cloud cover (avg.) 53%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +24°C
Heat index (avg.) +31°C Wind chill (avg.) +27°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 140° ↗ (NE)
Sunrise
05:35
Duration
12 h 13 min
Sunset
17:48
Moonrise
07:08
Moonset
19:12
Moon phase
Waxing Crescent
Illumination
12%
+27°C
Weather archive — for 2022 year
Moderate or heavy rain shower
Weather archive — for 2022 year
Nighttime: +24°C Precipitation: 3.8 mm Wind: 2 — 3 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 1 h
UV index 6 Cloud cover (avg.) 75%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +23°C
Heat index (avg.) +30°C Wind chill (avg.) +27°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 138° ↗ (NE)
Sunrise
05:35
Duration
12 h 12 min
Sunset
17:47
Moonrise
22:53
Moonset
11:32
Moon phase
Last Quarter
Illumination
45%
+27°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +25°C Precipitation: 0 mm Wind: 3 — 3 m/s Humidity: 87%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 38%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +25°C
Heat index (avg.) +33°C Wind chill (avg.) +28°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 147° ↗ (ENE)
Sunrise
05:36
Duration
12 h 11 min
Sunset
17:47
Moonrise
15:22
Moonset
01:55
Moon phase
Waxing Gibbous
Illumination
75%
+28°C
Weather archive — for 2020 year
Moderate or heavy rain shower
Weather archive — for 2020 year
Nighttime: +26°C Precipitation: 4.8 mm Wind: 3 — 4 m/s Humidity: 78%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 6 h
UV index 7 Cloud cover (avg.) 46%
Pressure (avg.) 753 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +25°C
Heat index (avg.) +33°C Wind chill (avg.) +29°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 182° ↑ (N)
Sunrise
05:36
Duration
12 h 11 min
Sunset
17:47
Moonrise
05:11
Moonset
17:56
Moon phase
New Moon
Illumination
0%
+27°C
Weather archive — for 2019 year
Cloudy
Weather archive — for 2019 year
Nighttime: +25°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 10 h
UV index 7 Cloud cover (avg.) 35%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +24°C
Heat index (avg.) +31°C Wind chill (avg.) +27°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 135° ↗ (NE)
Sunrise
05:35
Duration
12 h 13 min
Sunset
17:48
Moonrise
19:57
Moonset
07:50
Moon phase
Waning Gibbous
Illumination
70%

Weather in Hoi An on 17 September in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +28°C +24°C +26°C 7 h 6 85% 2 — 3 m/s
2024 +30°C +25°C +27°C 5 h 6 83% 3 — 4 m/s
2023 +30°C +25°C +27°C 6 h 7 86% 2 — 3 m/s
2022 +31°C +24°C +27°C 1 h 6 80% 2 — 3 m/s
2021 +32°C +25°C +27°C 11 h 7 87% 3 — 3 m/s
2020 +31°C +26°C +28°C 6 h 7 78% 3 — 4 m/s
2019 +30°C +25°C +27°C 10 h 7 85% 2 — 3 m/s