Weather in Hoi An on 18 September 2026
Preliminary outlook for 18 September 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +30°C and nighttime around +25°C, average precipitation 4.1 mm, wind around 3 m/s, humidity around 85%.
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.
+27°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +25°C
Precipitation: 0.5 mm
Wind: 2 — 3 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 85% |
| Pressure (avg.) | 756 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.) | +27°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 155° ↗ (NE) |
Sunrise
05:36
Duration
12 h 10 min
Sunset
17:46
Moonrise
02:17
Moonset
15:32
Moon phase
Waning Crescent
Illumination
12%
+25°C
Weather archive — for 2024 year
Moderate or heavy rain shower
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 13.9 mm
Wind: 3 — 4 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 81% |
| Pressure (avg.) | 752 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.) | 9 m/s | Wind direction (avg.) | 290° ↖ (NW) |
Sunrise
05:36
Duration
12 h 10 min
Sunset
17:46
Moonrise
18:00
Moonset
05:29
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: 0.2 mm
Wind: 2 — 3 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 58% |
| 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.) | 4 m/s | Wind direction (avg.) | 156° ↗ (ENE) |
Sunrise
05:36
Duration
12 h 11 min
Sunset
17:47
Moonrise
07:56
Moonset
19:48
Moon phase
Waxing Crescent
Illumination
20%
+27°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0.1 mm
Wind: 2 — 4 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 52% |
| Pressure (avg.) | 755 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.) | 158° ↗ (NE) |
Sunrise
05:36
Duration
12 h 11 min
Sunset
17:47
Moonrise
23:43
Moonset
12:25
Moon phase
Last Quarter
Illumination
37%
+27°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 161° → (ESE) |
Sunrise
05:36
Duration
12 h 10 min
Sunset
17:46
Moonrise
16:10
Moonset
02:55
Moon phase
Waxing Gibbous
Illumination
82%
+27°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +26°C
Precipitation: 10.5 mm
Wind: 6 — 7 m/s
Humidity: 88%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 2 h |
| UV index | 6 | Cloud cover (avg.) | 74% |
| Pressure (avg.) | 749 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 7 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 162° → (E) |
Sunrise
05:36
Duration
12 h 10 min
Sunset
17:46
Moonrise
06:11
Moonset
18:41
Moon phase
Waxing Crescent
Illumination
2%
+26°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +25°C
Precipitation: 3.4 mm
Wind: 3 — 3 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 86% |
| 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.) | 6 m/s | Wind direction (avg.) | 233° ↖ (NNW) |
Sunrise
05:36
Duration
12 h 11 min
Sunset
17:47
Moonrise
20:35
Moonset
08:38
Moon phase
Waning Gibbous
Illumination
63%
Weather in Hoi An on 18 September in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+29°C
|
+25°C
|
+27°C | 6 h | 6 | 83% | 2 — 3 m/s |
| 2024 |
+28°C
|
+24°C
|
+25°C | 6 h | 6 | 86% | 3 — 4 m/s |
| 2023 |
+30°C
|
+25°C
|
+27°C | 8 h | 7 | 85% | 2 — 3 m/s |
| 2022 |
+31°C
|
+24°C
|
+27°C | 8 h | 6 | 81% | 2 — 4 m/s |
| 2021 |
+32°C
|
+24°C
|
+27°C | 10 h | 7 | 86% | 2 — 3 m/s |
| 2020 |
+29°C
|
+26°C
|
+27°C | 2 h | 6 | 88% | 6 — 7 m/s |
| 2019 |
+28°C
|
+25°C
|
+26°C | 5 h | 6 | 89% | 3 — 3 m/s |