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.
+26°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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
| Metric | Value | Metric | Value |
|---|---|---|---|
| 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 |
|
|
+26°C | 7 h | 6 | 85% | 2 — 3 m/s |
| 2024 |
|
|
+27°C | 5 h | 6 | 83% | 3 — 4 m/s |
| 2023 |
|
|
+27°C | 6 h | 7 | 86% | 2 — 3 m/s |
| 2022 |
|
|
+27°C | 1 h | 6 | 80% | 2 — 3 m/s |
| 2021 |
|
|
+27°C | 11 h | 7 | 87% | 3 — 3 m/s |
| 2020 |
|
|
+28°C | 6 h | 7 | 78% | 3 — 4 m/s |
| 2019 |
|
|
+27°C | 10 h | 7 | 85% | 2 — 3 m/s |