★ January23° · ☂ 6 ★ February24° · ☂ 6 March 26° · ☂ 8 April 28° · ☂ 11 May 30° · ☂ 19 June 31° · ☂ 22 July 32° · ☂ 21 August 31° · ☂ 22 September 31° · ☂ 16 October 30° · ☂ 11 November 27° · ☂ 8 ★ December24° · ☂ 6 Kaohsiung in September:seriously hot Kaohsiung, Taiwan · Records from 2006 to 2025. Not a forecast. Rain not yet station-calibrated Temperature not station-corrected
Mean high 31° Hottest day 34.5° (2014)
Mean low 26° Coldest night 22.6° (2020)
Rain days 16 days 8-24 by year
Rainfall 204mm Daylight 12.6 → 12.0 h
Kaohsiung's 12 months i Best: December to February (rain uncalibrated)
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Beach Poorfrequent rain and storm risk Sightseeing on foot Poorhot, frequent rain, muggy and storm risk
Humidity 80% 30 muggy days
Clear days 5 days 11 overcast days
Mean wind 8 km/h 1 windy day
Sea temperature 29.5° 28.8-30.2° by year (last 6)
Sunrise / sunset (15th) 05:45 / 18:03 Daylight 12.6 → 12.0 h
Kaohsiung in September Rain starts to ease from August, but typhoon season continues. The weather can change fast and midday heat remains, so keep daytime activity short. The end of the wet season starts to come into view.
Highs averaged 31°C and lows stayed at 26°C, so the heat hung on long after sunset. The month averaged 16 rain days. Carry an umbrella. The average is 16, but individual years ran from 8 (2018) to 24 (2006).
26 days past 30°C made it a month for early starts and a long lunch indoors.
Typhoons i 10 of the last 20 years had a tropical storm pass within 300 km this month.
Haikui (2023), 21 km away typhoon strength Meranti (2016), 53 km away typhoon strength Fanapi (2010), 64 km away typhoon strength 1 2 3 4 1 5 3 6 10 7 13 8 10 9 6 10 3 11 12
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
September 1 Wednesday 1 rain in 14 of 20 yrs 14/20 31° 26° September 2 Thursday 2 rain in 12 of 20 yrs 12/20 31° 26° September 3 Friday 3 rain in 14 of 20 yrs 14/20 31° 26° September 4 Saturday 4 rain in 14 of 20 yrs 14/20 31° 26° 1-4 rain on 68% of days 31° 26°
September 5 Sunday 5 rain in 13 of 20 yrs 13/20 31° 26° September 6 Monday 6 rain in 16 of 20 yrs 16/20 31° 26° September 7 Tuesday 7 rain in 13 of 20 yrs 13/20 31° 26° September 8 Wednesday 8 rain in 16 of 20 yrs 16/20 31° 26° September 9 Thursday 9 rain in 13 of 20 yrs 13/20 31° 26° September 10 Friday 10 rain in 8 of 20 yrs 8/20 31° 26° September 11 Saturday 11 rain in 11 of 20 yrs 11/20 31° 26° 5-11 rain on 64% of days 31° 26°
September 12 Sunday 12 rain in 8 of 20 yrs 8/20 31° 26° September 13 Monday 13 rain in 9 of 20 yrs 9/20 31° 26° September 14 Tuesday 14 rain in 11 of 20 yrs 11/20 31° 26° September 15 Wednesday 15 rain in 12 of 20 yrs 12/20 32° 26° September 16 Thursday 16 rain in 8 of 20 yrs 8/20 32° 26° September 17 Friday 17 rain in 10 of 20 yrs 10/20 32° 26° September 18 Saturday 18 rain in 9 of 20 yrs 9/20 31° 26° 12-18 rain on 48% of days 31° 26°
September 19 Sunday 19 rain in 12 of 20 yrs 12/20 31° 26° September 20 Monday 20 rain in 12 of 20 yrs 12/20 31° 26° September 21 Tuesday 21 rain in 12 of 20 yrs 12/20 31° 26° September 22 Wednesday 22 rain in 11 of 20 yrs 11/20 31° 26° September 23 Thursday 23 rain in 8 of 20 yrs 8/20 31° 26° September 24 Friday 24 rain in 11 of 20 yrs 11/20 31° 26° September 25 Saturday 25 rain in 11 of 20 yrs 11/20 31° 26° 19-25 rain on 55% of days 31° 26°
September 26 Sunday 26 rain in 7 of 20 yrs 7/20 31° 26° September 27 Monday 27 rain in 3 of 20 yrs 3/20 31° 26° September 28 Tuesday 28 rain in 8 of 20 yrs 8/20 31° 26° September 29 Wednesday 29 rain in 8 of 20 yrs 8/20 31° 26° September 30 Thursday 30 rain in 7 of 20 yrs 7/20 31° 26°
26-30 rain on 33% of days 31° 26°
1-4 rain on 68% of days 31° 26° 5-11 rain on 64% of days 31° 26° 12-18 rain on 48% of days 31° 26° 19-25 rain on 55% of days 31° 26° 26-30 rain on 33% of days 31° 26°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
September 1 Friday 1 rain in 14 of 20 yrs 14/20 31° 26° September 2 Saturday 2 rain in 12 of 20 yrs 12/20 31° 26° 1-2 rain on 65% of days 31° 26°
September 3 Sunday 3 rain in 14 of 20 yrs 14/20 31° 26° September 4 Monday 4 rain in 14 of 20 yrs 14/20 31° 26° September 5 Tuesday 5 rain in 13 of 20 yrs 13/20 31° 26° September 6 Wednesday 6 rain in 16 of 20 yrs 16/20 31° 26° September 7 Thursday 7 rain in 13 of 20 yrs 13/20 31° 26° September 8 Friday 8 rain in 16 of 20 yrs 16/20 31° 26° September 9 Saturday 9 rain in 13 of 20 yrs 13/20 31° 26° 3-9 rain on 71% of days 31° 26°
September 10 Sunday 10 rain in 8 of 20 yrs 8/20 31° 26° September 11 Monday 11 rain in 11 of 20 yrs 11/20 31° 26° September 12 Tuesday 12 rain in 8 of 20 yrs 8/20 31° 26° September 13 Wednesday 13 rain in 9 of 20 yrs 9/20 31° 26° September 14 Thursday 14 rain in 11 of 20 yrs 11/20 31° 26° September 15 Friday 15 rain in 12 of 20 yrs 12/20 32° 26° September 16 Saturday 16 rain in 8 of 20 yrs 8/20 32° 26° 10-16 rain on 48% of days 31° 26°
September 17 Sunday 17 rain in 10 of 20 yrs 10/20 32° 26° September 18 Monday 18 rain in 9 of 20 yrs 9/20 31° 26° September 19 Tuesday 19 rain in 12 of 20 yrs 12/20 31° 26° September 20 Wednesday 20 rain in 12 of 20 yrs 12/20 31° 26° September 21 Thursday 21 rain in 12 of 20 yrs 12/20 31° 26° September 22 Friday 22 rain in 11 of 20 yrs 11/20 31° 26° September 23 Saturday 23 rain in 8 of 20 yrs 8/20 31° 26° 17-23 rain on 53% of days 31° 26°
September 24 Sunday 24 rain in 11 of 20 yrs 11/20 31° 26° September 25 Monday 25 rain in 11 of 20 yrs 11/20 31° 26° September 26 Tuesday 26 rain in 7 of 20 yrs 7/20 31° 26° September 27 Wednesday 27 rain in 3 of 20 yrs 3/20 31° 26° September 28 Thursday 28 rain in 8 of 20 yrs 8/20 31° 26° September 29 Friday 29 rain in 8 of 20 yrs 8/20 31° 26° September 30 Saturday 30 rain in 7 of 20 yrs 7/20 31° 26° 24-30 rain on 39% of days 31° 26°
1-2 rain on 65% of days 31° 26° 3-9 rain on 71% of days 31° 26° 10-16 rain on 48% of days 31° 26° 17-23 rain on 53% of days 31° 26° 24-30 rain on 39% of days 31° 26°
Tap another date to change
2006 8mm
2007 11mm
2008 7mm
2009 none
2010 20mm
2011 none
2012 3mm
2013 none
2014 3mm
2015 1mm
2016 51mm
2017 2mm
2018 2mm
2019 19mm
2020 none
2021 1mm
2022 6mm
2023 9mm
2024 9mm
2025 4mm
Holidays in September (2027) September 15 Mid-Autumn FestivalSeptember 28 Confucius' Birthday (Teachers' Day)September 6 Labor Day 1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)
Holidays in September (2028)
Your trip dates, the past 20 years Trip dates September 1 (Wed) 2 (Thu) 3 (Fri) 4 (Sat) 5 (Sun) 6 (Mon) 7 (Tue) 8 (Wed) 9 (Thu) 10 (Fri) 11 (Sat) 12 (Sun) 13 (Mon) 14 (Tue) 15 (Wed) 16 (Thu) 17 (Fri) 18 (Sat) 19 (Sun) 20 (Mon) 21 (Tue) 22 (Wed) 23 (Thu) 24 (Fri) 25 (Sat) 26 (Sun) 27 (Mon) 28 (Tue) 29 (Wed) 30 (Thu) ~ September 1 (Wed) 2 (Thu) 3 (Fri) 4 (Sat) 5 (Sun) 6 (Mon) 7 (Tue) 8 (Wed) 9 (Thu) 10 (Fri) 11 (Sat) 12 (Sun) 13 (Mon) 14 (Tue) 15 (Wed) 16 (Thu) 17 (Fri) 18 (Sat) 19 (Sun) 20 (Mon) 21 (Tue) 22 (Wed) 23 (Thu) 24 (Fri) 25 (Sat) 26 (Sun) 27 (Mon) 28 (Tue) 29 (Wed) 30 (Thu) 1-7 8-14 15-21 22-end Whole month
You can also click two dates on the axis. Hover a cell to see that day's rain. By year Driest trips first
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Trip rain days Month rain days Tap a date to start, tap another to end. Each cell is that date in one year. '06 '07 '08 '09 '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 '20 '21 '22 '23 '24 '25
of 20 1 Wed Pick September 1
14 2 Thu Pick September 2
12 3 Fri Pick September 3
14 4 Sat Pick September 4
14 5 Sun Pick September 5
13 6 Mon Pick September 6
16 7 Tue Pick September 7
13 8 Wed Pick September 8
16 9 Thu Pick September 9
13 10 Fri Pick September 10
8 11 Sat Pick September 11
11 12 Sun Pick September 12
8 13 Mon Pick September 13
9 14 Tue Pick September 14
11 15 Wed Pick September 15
12 16 Thu Pick September 16
8 17 Fri Pick September 17
10 18 Sat Pick September 18
9 19 Sun Pick September 19
12 20 Mon Pick September 20
12 21 Tue Pick September 21
12 22 Wed Pick September 22
11 23 Thu Pick September 23
8 24 Fri Pick September 24
11 25 Sat Pick September 25
11 26 Sun Pick September 26
7 27 Mon Pick September 27
3 28 Tue Pick September 28
8 29 Wed Pick September 29
8 30 Thu Pick September 30
7 Dates outside your trip are dimmed.
One row per year, one cell per day. 2018 had 8 rain days, 2006 had 24.
Kaohsiung through the year Month High Low Rain days Rainfall Sea January Good 23° 16° 6 days 38mm 24° February Good 24° 17° 6 days 29mm 24° March 26° 19° 8 days 41mm 25° April 28° 22° 11 days 98mm 26° May 30° 25° 19 days 258mm 28° June 31° 26° 22 days 349mm 29° July 32° 27° 21 days 289mm 30° August 31° 26° 22 days 408mm 30° September 31° 26° 16 days 204mm 30° October 30° 24° 11 days 98mm 29° November 27° 22° 8 days 63mm 27° December Good 24° 18° 6 days 35mm 25°
Common questions Does it rain a lot in Kaohsiung in September? Over the past 20 years September averaged 16 rain days (1 mm or more) out of 30. Individual years ran from 8 in the driest to 24 in the wettest. Rain for this month is not yet station-calibrated and may be overcounted.
What should I wear in Kaohsiung in September? Days averaged 31°C and nights 26°C. Pack an umbrella, sandals that can get wet, T-shirts, sunscreen plus a hat, a swimsuit, and insect repellent.
Can you swim in Kaohsiung in September? Sea surface temperature averaged 29.5°C in September, warm enough to stay in for a long swim. Year to year it ranged 28.8-30.2°C. Check local flags for waves and jellyfish on the day.
Is September a good time to visit Kaohsiung? On warmth and rain days alone, Kaohsiung's easiest months were December to February. September ranked 11 of 12.
Is Kaohsiung humid in September? Mean relative humidity was 80%, with about 30 muggy days (dew point of 20°C or more) in the month.
Previous month Kaohsiung in August Next month Kaohsiung in October Whole year Kaohsiung weather by month Where to go September By country Taiwan: all cities this month Compare Compare with Taipei