Weather in Hanoi on 17 September 2026
Preliminary outlook for 17 September 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +32°C and nighttime around +25°C, average precipitation 4.1 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
Light rain shower
Weather archive — latest year: 2025
Nighttime: +25°C
Precipitation: 1.3 mm
Wind: 2 — 3 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 68% |
| 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.) | 118° → (E) |
Sunrise
05:44
Duration
12 h 14 min
Sunset
17:58
Moonrise
01:17
Moonset
15:07
Moon phase
Waning Crescent
Illumination
20%
+28°C
Weather archive — for 2024 year
Moderate or heavy rain shower
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 17.6 mm
Wind: 2 — 4 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 754 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.) | 7 m/s | Wind direction (avg.) | 141° ↑ (NNE) |
Sunrise
05:44
Duration
12 h 14 min
Sunset
17:58
Moonrise
17:31
Moonset
04:33
Moon phase
Full Moon
Illumination
100%
+27°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 3.5 mm
Wind: 2 — 3 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 80% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 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.) | 132° → (ESE) |
Sunrise
05:44
Duration
12 h 14 min
Sunset
17:58
Moonrise
07:21
Moonset
19:19
Moon phase
Waxing Crescent
Illumination
12%
+26°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 3.1 mm
Wind: 1 — 1 m/s
Humidity: 91%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 81% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 229° ↙ (SW) |
Sunrise
05:44
Duration
12 h 14 min
Sunset
17:58
Moonrise
22:51
Moonset
11:54
Moon phase
Last Quarter
Illumination
45%
+28°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 58% |
| Pressure (avg.) | 756 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.) | 179° ↘ (SSE) |
Sunrise
05:44
Duration
12 h 14 min
Sunset
17:58
Moonrise
15:42
Moonset
01:54
Moon phase
Waxing Gibbous
Illumination
75%
+29°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +27°C
Precipitation: 2.3 mm
Wind: 2 — 3 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 1 h |
| UV index | 6 | Cloud cover (avg.) | 80% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 121° → (ESE) |
Sunrise
05:44
Duration
12 h 14 min
Sunset
17:58
Moonrise
05:17
Moonset
18:09
Moon phase
New Moon
Illumination
0%
+29°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +26°C
Precipitation: 0.6 mm
Wind: 2 — 3 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 65% |
| Pressure (avg.) | 758 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.) | 4 m/s | Wind direction (avg.) | 103° ↗ (ENE) |
Sunrise
05:44
Duration
12 h 14 min
Sunset
17:58
Moonrise
20:04
Moonset
08:02
Moon phase
Waning Gibbous
Illumination
70%
Weather in Hanoi on 17 September in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+31°C
|
+25°C
|
+27°C | 8 h | 6 | 84% | 2 — 3 m/s |
| 2024 |
+32°C
|
+24°C
|
+28°C | 6 h | 6 | 84% | 2 — 4 m/s |
| 2023 |
+31°C
|
+24°C
|
+27°C | 9 h | 6 | 85% | 2 — 3 m/s |
| 2022 |
+29°C
|
+25°C
|
+26°C | 9 h | 6 | 91% | 1 — 1 m/s |
| 2021 |
+32°C
|
+26°C
|
+28°C | 11 h | 7 | 85% | 2 — 3 m/s |
| 2020 |
+33°C
|
+27°C
|
+29°C | 1 h | 6 | 83% | 2 — 3 m/s |
| 2019 |
+34°C
|
+26°C
|
+29°C | 7 h | 6 | 72% | 2 — 3 m/s |