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.
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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 |
|
|
+27°C | 10 h | 6 | 84% | 3 — 4 m/s |
| 2024 |
|
|
+27°C | 10 h | 6 | 80% | 2 — 2 m/s |
| 2023 |
|
|
+28°C | 10 h | 7 | 83% | 3 — 4 m/s |
| 2022 |
|
|
+28°C | 10 h | 7 | 81% | 2 — 3 m/s |
| 2021 |
|
|
+26°C | 6 h | 6 | 85% | 2 — 3 m/s |
| 2020 |
|
|
+27°C | 8 h | 6 | 82% | 2 — 3 m/s |
| 2019 |
|
|
+26°C | 4 h | 6 | 86% | 2 — 3 m/s |