Vietnam / Hoi An / 20 September

Weather in Hoi An on 20 September 2026

Preliminary outlook for 20 September 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +30°C and nighttime around +24°C, average precipitation 2.2 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.

← 19 September
Nearby days
21 September →
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C Precipitation: 3.6 mm Wind: 3 — 4 m/s Humidity: 84%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 10 h
UV index 6 Cloud cover (avg.) 61%
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.) +24°C
Heat index (avg.) +30°C Wind chill (avg.) +27°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 143° ↗ (NE)
Sunrise
05:36
Duration
12 h 09 min
Sunset
17:45
Moonrise
04:06
Moonset
16:49
Moon phase
New Moon
Illumination
0%
+27°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +24°C Precipitation: 0.4 mm Wind: 2 — 2 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 10 h
UV index 6 Cloud cover (avg.) 52%
Pressure (avg.) 752 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +23°C
Heat index (avg.) +31°C Wind chill (avg.) +27°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 132° ↑ (NNE)
Sunrise
05:36
Duration
12 h 09 min
Sunset
17:45
Moonrise
19:28
Moonset
07:30
Moon phase
Waxing Gibbous
Illumination
77%
+28°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +25°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 83%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 10 h
UV index 7 Cloud cover (avg.) 17%
Pressure (avg.) 758 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.) +28°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 162° → (E)
Sunrise
05:36
Duration
12 h 09 min
Sunset
17:45
Moonrise
09:41
Moonset
21:10
Moon phase
Waxing Crescent
Illumination
35%
+28°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 81%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 10 h
UV index 7 Cloud cover (avg.) 26%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +24°C
Heat index (avg.) +33°C Wind chill (avg.) +28°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 158° ↗ (ENE)
Sunrise
05:36
Duration
12 h 09 min
Sunset
17:45
Moonrise
00:34
Moonset
14:05
Moon phase
Last Quarter
Illumination
22%
+26°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +24°C Precipitation: 5.2 mm Wind: 2 — 3 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 6 h
UV index 6 Cloud cover (avg.) 62%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +24°C
Heat index (avg.) +30°C Wind chill (avg.) +26°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 144° ↗ (NE)
Sunrise
05:36
Duration
12 h 09 min
Sunset
17:45
Moonrise
17:33
Moonset
04:46
Moon phase
Waxing Gibbous
Illumination
97%
+27°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +25°C Precipitation: 2.3 mm Wind: 2 — 3 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 8 h
UV index 6 Cloud cover (avg.) 67%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +24°C
Heat index (avg.) +30°C Wind chill (avg.) +27°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 220° ↘ (SE)
Sunrise
05:36
Duration
12 h 09 min
Sunset
17:45
Moonrise
08:13
Moonset
20:13
Moon phase
Waxing Crescent
Illumination
17%
+26°C
Weather archive — for 2019 year
Heavy rain at times
Weather archive — for 2019 year
Nighttime: +23°C Precipitation: 3.8 mm Wind: 2 — 3 m/s Humidity: 86%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 4 h
UV index 6 Cloud cover (avg.) 73%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +23°C
Heat index (avg.) +29°C Wind chill (avg.) +26°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 157° ↗ (ENE)
Sunrise
05:36
Duration
12 h 09 min
Sunset
17:45
Moonrise
22:01
Moonset
10:19
Moon phase
Last Quarter
Illumination
48%

Weather in Hoi An on 20 September in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +30°C +24°C +27°C 10 h 6 84% 3 — 4 m/s
2024 +30°C +24°C +27°C 10 h 6 80% 2 — 2 m/s
2023 +31°C +25°C +28°C 10 h 7 83% 3 — 4 m/s
2022 +33°C +24°C +28°C 10 h 7 81% 2 — 3 m/s
2021 +29°C +24°C +26°C 6 h 6 85% 2 — 3 m/s
2020 +28°C +25°C +27°C 8 h 6 82% 2 — 3 m/s
2019 +29°C +23°C +26°C 4 h 6 86% 2 — 3 m/s