Vietnam / Tan An / 21 September

Weather in Tan An on 21 September 2026

Preliminary outlook for 21 September 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +24°C, average precipitation 2.4 mm, wind around 2 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.

← 20 September
Nearby days
22 September →
+28°C
Weather archive — latest year: 2025
Cloudy
Weather archive — latest year: 2025
Nighttime: +25°C Precipitation: 0.9 mm Wind: 3 — 5 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 12 h
UV index 7 Cloud cover (avg.) 51%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +32°C Dew point (avg.) +23°C
Heat index (avg.) +32°C Wind chill (avg.) +28°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 263° ← (WNW)
Sunrise
05:44
Duration
12 h 07 min
Sunset
17:51
Moonrise
05:06
Moonset
17:31
Moon phase
New Moon
Illumination
0%
+27°C
Weather archive — for 2024 year
Moderate or heavy rain shower
Weather archive — for 2024 year
Nighttime: +24°C Precipitation: 5.2 mm Wind: 4 — 6 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 6 h
UV index 7 Cloud cover (avg.) 60%
Pressure (avg.) 755 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.) 9 m/s Wind direction (avg.) 234° ↙ (WSW)
Sunrise
05:44
Duration
12 h 07 min
Sunset
17:51
Moonrise
20:31
Moonset
08:33
Moon phase
Waning Gibbous
Illumination
70%
+28°C
Weather archive — for 2023 year
Moderate or heavy rain shower
Weather archive — for 2023 year
Nighttime: +25°C Precipitation: 9.2 mm Wind: 2 — 3 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 7 h
UV index 6 Cloud cover (avg.) 64%
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.) 7 m/s Wind direction (avg.) 146° ↘ (SE)
Sunrise
05:44
Duration
12 h 08 min
Sunset
17:52
Moonrise
10:35
Moonset
22:19
Moon phase
First Quarter
Illumination
43%
+27°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +24°C Precipitation: 0.1 mm Wind: 2 — 3 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 8 h
UV index 6 Cloud cover (avg.) 68%
Pressure (avg.) 756 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.) 5 m/s Wind direction (avg.) 249° ← (W)
Sunrise
05:44
Duration
12 h 07 min
Sunset
17:51
Moonrise
01:46
Moonset
14:49
Moon phase
Waning Crescent
Illumination
15%
+25°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +23°C Precipitation: 0.2 mm Wind: 2 — 3 m/s Humidity: 93%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 11 h
UV index 6 Cloud cover (avg.) 67%
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.) +24°C
Heat index (avg.) +29°C Wind chill (avg.) +26°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 195° ↓ (SSW)
Sunrise
05:44
Duration
12 h 07 min
Sunset
17:51
Moonrise
18:17
Moonset
05:49
Moon phase
Full Moon
Illumination
100%
+28°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +25°C Precipitation: 0.5 mm Wind: 2 — 3 m/s Humidity: 83%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 9 h
UV index 6 Cloud cover (avg.) 64%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +32°C Dew point (avg.) +25°C
Heat index (avg.) +32°C Wind chill (avg.) +28°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 269° ↖ (NW)
Sunrise
05:44
Duration
12 h 07 min
Sunset
17:51
Moonrise
09:16
Moonset
21:17
Moon phase
Waxing Crescent
Illumination
25%
+26°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +25°C Precipitation: 0.8 mm Wind: 2 — 2 m/s Humidity: 90%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 5 h
UV index 6 Cloud cover (avg.) 82%
Pressure (avg.) 758 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.) 4 m/s Wind direction (avg.) 132° ↗ (ENE)
Sunrise
05:44
Duration
12 h 08 min
Sunset
17:52
Moonrise
23:07
Moonset
11:13
Moon phase
Last Quarter
Illumination
40%

Weather in Tan An on 21 September in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +33°C +25°C +28°C 12 h 7 76% 3 — 5 m/s
2024 +30°C +24°C +27°C 6 h 7 85% 4 — 6 m/s
2023 +33°C +25°C +28°C 7 h 6 80% 2 — 3 m/s
2022 +30°C +24°C +27°C 8 h 6 85% 2 — 3 m/s
2021 +29°C +23°C +25°C 11 h 6 93% 2 — 3 m/s
2020 +31°C +25°C +28°C 9 h 6 83% 2 — 3 m/s
2019 +29°C +25°C +26°C 5 h 6 90% 2 — 2 m/s