Weather in Hoi An on 12 September 2026
Preliminary outlook for 12 September 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +30°C and nighttime around +25°C, average precipitation 4.2 mm, wind around 3 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 | 11 h |
| UV index | 7 | Cloud cover (avg.) | 30% |
| 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.) | +27°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 147° → (ESE) |
Sunrise
05:35
Duration
12 h 16 min
Sunset
17:51
Moonrise
21:19
Moonset
09:46
Moon phase
Waning Gibbous
Illumination
57%
+27°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 65% |
| 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.) | 143° ↑ (NNE) |
Sunrise
05:35
Duration
12 h 16 min
Sunset
17:51
Moonrise
13:05
Moonset
No moonset
Moon phase
First Quarter
Illumination
63%
+28°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 39% |
| 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.) | +22°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 234° ↙ (WSW) |
Sunrise
05:35
Duration
12 h 16 min
Sunset
17:51
Moonrise
03:10
Moonset
16:21
Moon phase
Waning Crescent
Illumination
2%
+27°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 50% |
| 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.) | 151° ↗ (NE) |
Sunrise
05:35
Duration
12 h 16 min
Sunset
17:51
Moonrise
19:23
Moonset
07:05
Moon phase
Waxing Gibbous
Illumination
83%
+26°C
Weather archive — for 2021 year
Moderate or heavy rain shower
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 1 h |
| UV index | 6 | Cloud cover (avg.) | 91% |
| Pressure (avg.) | 751 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.) | +26°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 104° ↑ (NNE) |
Sunrise
05:35
Duration
12 h 16 min
Sunset
17:51
Moonrise
10:23
Moonset
22:01
Moon phase
Waxing Crescent
Illumination
37%
+28°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 44% |
| 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.) | +24°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 152° → (E) |
Sunrise
05:35
Duration
12 h 16 min
Sunset
17:51
Moonrise
00:13
Moonset
13:41
Moon phase
Last Quarter
Illumination
20%
+27°C
Weather archive — for 2019 year
Heavy rain at times
Weather archive — for 2019 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 46% |
| 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.) | 8 m/s | Wind direction (avg.) | 134° ↗ (NE) |
Sunrise
05:35
Duration
12 h 16 min
Sunset
17:51
Moonrise
16:53
Moonset
03:52
Moon phase
Waxing Gibbous
Illumination
92%
Weather in Hoi An on 12 September in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+27°C | 11 h | 7 | 85% | 3 — 4 m/s |
| 2024 |
|
|
+27°C | 7 h | 6 | 84% | 2 — 4 m/s |
| 2023 |
|
|
+28°C | 10 h | 7 | 72% | 3 — 4 m/s |
| 2022 |
|
|
+27°C | 8 h | 6 | 83% | 2 — 3 m/s |
| 2021 |
|
|
+26°C | 1 h | 6 | 90% | 7 — 8 m/s |
| 2020 |
|
|
+28°C | 10 h | 6 | 82% | 3 — 4 m/s |
| 2019 |
|
|
+27°C | 9 h | 7 | 83% | 2 — 4 m/s |