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🇸🇬 Singapore

Singapore Weather in September

Humid year-round
For Singapore, September typically brings hot daytime weather and mild to warm nights: the 10-year average high is about 30°C (85°F), while the average low is 25°C (76°F). Rain is a major part of trip planning, with about 25 days reaching at least 1 mm of precipitation and roughly 220 mm for the month.
Avg high85.4°F 29.7°CAvg low76.2°F 24.6°CRainy days~24.7 daysMonthly rain220.2 mm
Singapore travel scenery
🧳 Packing guide

What to wear in Singapore in September

Packing for Singapore in September is easiest with layers: light, breathable clothes work best, with sun protection for long outdoor days. Add a compact umbrella or light rain jacket because wet weather is common enough to affect sightseeing.

Travel takeaway: The month can work well for a trip if you are comfortable building indoor alternatives around wetter periods.

🗓️ Travel timing at a glance

Singapore: 12-month travel weather

Singapore is hot and humid year-round with rain in every month. Rainfall tends to be heavier around the northeast monsoon, especially late in the year.
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check

Singapore 2026 events & busy periods

Check major events, holidays and periods that may affect crowds, transport or opening hours.
🎊 Featured eventSeptember related
Singapore Grand Prix season
📅 Around September

Night racing, concerts and events around the Marina Bay Street Circuit make this one of Singapore’s biggest annual event periods.

Check official source →
⚠️ Busy / closure periodSeptember related
Formula 1 Grand Prix week
📅 Around September

Visitors concentrate around Marina Bay and central Singapore, with road closures and heavier public transport demand. Allow extra time in the city center.

Check official source →
Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.

Singapore Weather in September

2016–2025 · 10 complete years averaged · °F

Singapore in September · recent 3 years

Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ September 2025 · latest complete year☔ 26 days · 179.8 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
🌧️
28.5°C/23.9°C
🌧️ 4.4 mm
2
🌦️
29.7°C/23.5°C
🌧️ 4.7 mm
3
🌦️
30.5°C/24.1°C
🌧️ 3 mm
4
🌦️
30°C/23.2°C
🌧️ 4.9 mm
5
🌧️
30.2°C/23.9°C
🌧️ 8.4 mm
6
🌦️
31.1°C/24.5°C
🌧️ 1.6 mm
7
🌦️
27.6°C/23.9°C
🌧️ 11.9 mm
8
🌧️
30.2°C/24.4°C
🌧️ 13.4 mm
9
🌧️
29.8°C/22.8°C
🌧️ 5.8 mm
10
🌦️
31.3°C/22.3°C
🌧️ 4.7 mm
11
🌧️
31°C/22.5°C
🌧️ 28.1 mm
12
🌦️
30°C/22.7°C
No rain
13
🌦️
28.7°C/22.2°C
🌧️ 7.1 mm
14
🌦️
31.8°C/22°C
🌧️ 1.8 mm
15
🌧️
29.8°C/23.7°C
🌧️ 11.7 mm
16
🌦️
30.4°C/22.5°C
No rain
17
🌧️
26.4°C/23.1°C
🌧️ 11.5 mm
18
🌦️
31°C/24.3°C
🌧️ 3.8 mm
19
🌦️
31.1°C/23.9°C
🌧️ 2.7 mm
20
🌦️
31.3°C/22.3°C
🌧️ 1.3 mm
21
🌧️
32.1°C/23.1°C
🌧️ 2.1 mm
22
🌧️
31.1°C/24.5°C
🌧️ 10 mm
23
🌧️
32.9°C/23.9°C
🌧️ 1.6 mm
24
🌦️
32.3°C/23.1°C
No rain
25
🌧️
33°C/24°C
🌧️ 9.9 mm
26
🌦️
32.6°C/24.8°C
🌧️ 2.3 mm
27
🌧️
32°C/25.4°C
🌧️ 15 mm
28
🌦️
31.2°C/24.2°C
🌧️ 5.1 mm
29
☁️
31°C/24.2°C
No rain
30
🌦️
31.6°C/25.5°C
🌧️ 1.1 mm
September 2024☔ 26 days · 251.2 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
🌧️
31°C/22.8°C
🌧️ 3.7 mm
2
🌦️
30.8°C/25.8°C
🌧️ 3.5 mm
3
🌧️
30.2°C/24°C
🌧️ 10.6 mm
4
🌦️
28.9°C/23.4°C
🌧️ 7 mm
5
🌦️
30.9°C/23.5°C
No rain
6
🌧️
30.1°C/25.2°C
🌧️ 10.9 mm
7
🌦️
31.1°C/26.4°C
🌧️ 3.6 mm
8
🌦️
30.5°C/25.6°C
🌧️ 3.9 mm
9
🌧️
30.1°C/23.2°C
🌧️ 36 mm
10
🌦️
29.2°C/24.3°C
🌧️ 5.6 mm
11
🌧️
30.8°C/23.9°C
🌧️ 11.2 mm
12
🌧️
29.4°C/23.4°C
🌧️ 21.1 mm
13
🌦️
30.2°C/24.5°C
🌧️ 1.5 mm
14
🌧️
29.7°C/24.3°C
🌧️ 7.1 mm
15
🌧️
29.1°C/24.3°C
🌧️ 11.3 mm
16
🌦️
30.4°C/23.7°C
🌧️ 1.3 mm
17
🌧️
30.2°C/24.7°C
🌧️ 12.3 mm
18
🌦️
31°C/25.1°C
🌧️ 1.5 mm
19
🌦️
30.2°C/24°C
🌧️ 1.5 mm
20
🌦️
30.7°C/25.6°C
🌧️ 1.8 mm
21
🌦️
29.1°C/24.3°C
No rain
22
☁️
32.3°C/23°C
No rain
23
🌧️
31.6°C/25.6°C
🌧️ 9.4 mm
24
🌧️
32.1°C/23.5°C
🌧️ 25.3 mm
25
🌧️
30.8°C/23.7°C
🌧️ 8.1 mm
26
🌧️
27°C/23.4°C
🌧️ 12 mm
27
🌦️
30.7°C/21.6°C
No rain
28
🌧️
31.4°C/23.7°C
🌧️ 3.3 mm
29
🌧️
29.9°C/22.6°C
🌧️ 24.2 mm
30
🌧️
30.2°C/23.8°C
🌧️ 12.5 mm
September 2023☔ 23 days · 228 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
🌦️
31°C/24.9°C
No rain
2
🌦️
31.4°C/24°C
No rain
3
🌦️
31.6°C/25.7°C
No rain
4
🌦️
30.7°C/25.8°C
🌧️ 3.5 mm
5
🌧️
30.3°C/25.5°C
🌧️ 9.5 mm
6
🌧️
29.9°C/22.8°C
🌧️ 38.4 mm
7
🌦️
30.9°C/23.9°C
🌧️ 1.5 mm
8
🌧️
30°C/23.5°C
🌧️ 31.2 mm
9
🌧️
30°C/23.3°C
🌧️ 10.1 mm
10
🌧️
29.5°C/23.9°C
🌧️ 13.6 mm
11
🌦️
30.4°C/23.6°C
🌧️ 1.9 mm
12
🌦️
30.4°C/24.9°C
🌧️ 3.2 mm
13
🌧️
31.1°C/25.5°C
🌧️ 2.9 mm
14
☁️
31.6°C/25.1°C
No rain
15
🌦️
31.6°C/24.6°C
No rain
16
🌦️
31.2°C/25.2°C
🌧️ 6.1 mm
17
🌧️
30.8°C/25.2°C
🌧️ 4.2 mm
18
🌧️
30.1°C/24.2°C
🌧️ 6.2 mm
19
🌧️
30.5°C/24.2°C
🌧️ 18.8 mm
20
🌧️
30.8°C/23.7°C
🌧️ 11.2 mm
21
🌦️
30.1°C/23.5°C
🌧️ 7.5 mm
22
🌧️
29.7°C/23.7°C
🌧️ 12.7 mm
23
🌧️
30.5°C/22.8°C
🌧️ 10.7 mm
24
🌧️
27.8°C/22.8°C
🌧️ 25.7 mm
25
🌦️
30.3°C/24.3°C
🌧️ 1 mm
26
🌧️
30.3°C/24.4°C
🌧️ 2.1 mm
27
☁️
31.4°C/25.4°C
No rain
28
🌧️
31.3°C/25°C
🌧️ 2.2 mm
29
🌦️
32°C/23.6°C
No rain
30
🌦️
31.1°C/25°C
🌧️ 1.3 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Singapore weather and 7-day forecast

When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Singapore weather in other months

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