Bishan weather history, September 2023

The month at a glance

Recorded day by day for Bishan in September 2023: conditions, high and low temperature, wind, and sunrise and sunset times. History pages show archived readings, so they never change.

Warmest day

38 °C

Coldest day

19 °C

Average

26 °C

Days recorded

Calendar

Mo	Tu	We	Th	Fr	Sa	Su
				09-01 Overcast to Cloudy 21 °C to 34 °C 06:32 19:18	09-02 Overcast to Sunny 23 °C to 33 °C 06:32 19:17	09-03 Cloudy to Sunny 24 °C to 34 °C 06:33 19:16
09-04 Overcast to Sunny 24 °C to 36 °C 06:33 19:14	09-05 Sunny 25 °C to 37 °C 06:34 19:13	09-06 Sunny 25 °C to 37 °C 06:34 19:12	09-07 Sunny 27 °C to 37 °C 06:35 19:11	09-08 Overcast to Sunny 27 °C to 37 °C 06:35 19:10	09-09 Overcast to Cloudy 27 °C to 38 °C 06:36 19:08	09-10 Overcast to Cloudy 28 °C to 37 °C 06:36 19:07
09-11 Overcast to Heavy rain 23 °C to 34 °C 06:37 19:06	09-12 Light rain to Cloudy 20 °C to 21 °C 06:37 19:05	09-13 Overcast to Cloudy 21 °C to 29 °C 06:38 19:03	09-14 Overcast to Sunny 21 °C to 32 °C 06:38 19:02	09-15 Cloudy 23 °C to 33 °C 06:39 19:01	09-16 Cloudy to Sunny 24 °C to 34 °C 06:39 19:00	09-17 Cloudy 26 °C to 35 °C 06:40 18:59
09-18 Overcast to Cloudy 25 °C to 32 °C 06:41 18:57	09-19 Overcast to Moderate rain 25 °C to 33 °C 06:41 18:56	09-20 Overcast to Moderate rain 22 °C to 28 °C 06:42 18:55	09-21 Showers to Light rain 19 °C to 25 °C 06:42 18:54	09-22 Light rain to Heavy rain 20 °C to 24 °C 06:43 18:52	09-23 Light rain 19 °C to 21 °C 06:43 18:51	09-24 Overcast to Moderate rain 20 °C to 22 °C 06:44 18:50
09-25 Light rain 20 °C to 21 °C 06:44 18:49	09-26 Light rain 19 °C to 22 °C 06:45 18:47	09-27 Overcast to Light rain 20 °C to 23 °C 06:45 18:46	09-28 Overcast to Moderate rain 21 °C to 25 °C 06:46 18:45	09-29 Light rain to Overcast 20 °C to 23 °C 06:46 18:44	09-30 Overcast to Moderate rain 21 °C to 25 °C 06:47 18:43

09-01

Overcast to Cloudy

21 °C to 34 °C

06:32 19:18

09-02

Overcast to Sunny

23 °C to 33 °C

06:32 19:17

09-03

Cloudy to Sunny

24 °C to 34 °C

06:33 19:16

09-04

Overcast to Sunny

24 °C to 36 °C

06:33 19:14

09-05

Sunny

25 °C to 37 °C

06:34 19:13

09-06

Sunny

25 °C to 37 °C

06:34 19:12

09-07

Sunny

27 °C to 37 °C

06:35 19:11

09-08

Overcast to Sunny

27 °C to 37 °C

06:35 19:10

09-09

Overcast to Cloudy

27 °C to 38 °C

06:36 19:08

09-10

Overcast to Cloudy

28 °C to 37 °C

06:36 19:07

09-11

Overcast to Heavy rain

23 °C to 34 °C

06:37 19:06

09-12

Light rain to Cloudy

20 °C to 21 °C

06:37 19:05

09-13

Overcast to Cloudy

21 °C to 29 °C

06:38 19:03

09-14

Overcast to Sunny

21 °C to 32 °C

06:38 19:02

09-15

Cloudy

23 °C to 33 °C

06:39 19:01

09-16

Cloudy to Sunny

24 °C to 34 °C

06:39 19:00

09-17

Cloudy

26 °C to 35 °C

06:40 18:59

09-18

Overcast to Cloudy

25 °C to 32 °C

06:41 18:57

09-19

Overcast to Moderate rain

25 °C to 33 °C

06:41 18:56

09-20

Overcast to Moderate rain

22 °C to 28 °C

06:42 18:55

09-21

Showers to Light rain

19 °C to 25 °C

06:42 18:54

09-22

Light rain to Heavy rain

20 °C to 24 °C

06:43 18:52

09-23

Light rain

19 °C to 21 °C

06:43 18:51

09-24

Overcast to Moderate rain

20 °C to 22 °C

06:44 18:50

09-25

Light rain

20 °C to 21 °C

06:44 18:49

09-26

Light rain

19 °C to 22 °C

06:45 18:47

09-27

Overcast to Light rain

20 °C to 23 °C

06:45 18:46

09-28

Overcast to Moderate rain

21 °C to 25 °C

06:46 18:45

09-29

Light rain to Overcast

20 °C to 23 °C

06:46 18:44

09-30

Overcast to Moderate rain

21 °C to 25 °C

06:47 18:43

Day by day

Date	Conditions	Temperature	Wind	Sunrise and sunset
Friday 1 September	Overcast to Cloudy	21 °C to 34 °C	Northwest force 3-4	06:32 / 19:18
Saturday 2 September	Overcast to Sunny	23 °C to 33 °C	Northeast to Northwest force <3	06:32 / 19:17
Sunday 3 September	Cloudy to Sunny	24 °C to 34 °C	Northwest to Southeast force <3	06:33 / 19:16
Monday 4 September	Overcast to Sunny	24 °C to 36 °C	Northeast force <3	06:33 / 19:14
Tuesday 5 September	Sunny	25 °C to 37 °C	Northeast to East force 3-4	06:34 / 19:13
Wednesday 6 September	Sunny	25 °C to 37 °C	Southeast to East force 3-4	06:34 / 19:12
Thursday 7 September	Sunny	27 °C to 37 °C	East to Northeast force 3-4	06:35 / 19:11
Friday 8 September	Overcast to Sunny	27 °C to 37 °C	Southwest to East force 3-4	06:35 / 19:10
Saturday 9 September	Overcast to Cloudy	27 °C to 38 °C	Southeast to Northeast force 3-4	06:36 / 19:08
Sunday 10 September	Overcast to Cloudy	28 °C to 37 °C	South to Northeast force <3	06:36 / 19:07
Monday 11 September	Overcast to Heavy rain	23 °C to 34 °C	Northeast to North force 3-4	06:37 / 19:06
Tuesday 12 September	Light rain to Cloudy	20 °C to 21 °C	Northwest to West force <3	06:37 / 19:05
Wednesday 13 September	Overcast to Cloudy	21 °C to 29 °C	East to Southeast force <3	06:38 / 19:03
Thursday 14 September	Overcast to Sunny	21 °C to 32 °C	East to Northeast force <3	06:38 / 19:02
Friday 15 September	Cloudy	23 °C to 33 °C	East to Northeast force <3	06:39 / 19:01
Saturday 16 September	Cloudy to Sunny	24 °C to 34 °C	East force <3	06:39 / 19:00
Sunday 17 September	Cloudy	26 °C to 35 °C	East force <3	06:40 / 18:59
Monday 18 September	Overcast to Cloudy	25 °C to 32 °C	Northwest force <3	06:41 / 18:57
Tuesday 19 September	Overcast to Moderate rain	25 °C to 33 °C	Northwest force 3-4	06:41 / 18:56
Wednesday 20 September	Overcast to Moderate rain	22 °C to 28 °C	West to Northwest force <3	06:42 / 18:55
Thursday 21 September	Showers to Light rain	19 °C to 25 °C	West to Southeast force <3	06:42 / 18:54
Friday 22 September	Light rain to Heavy rain	20 °C to 24 °C	North force <3	06:43 / 18:52
Saturday 23 September	Light rain	19 °C to 21 °C	Northwest force <3	06:43 / 18:51
Sunday 24 September	Overcast to Moderate rain	20 °C to 22 °C	Northeast to Northwest force <3	06:44 / 18:50
Monday 25 September	Light rain	20 °C to 21 °C	Northwest to North force <3	06:44 / 18:49
Tuesday 26 September	Light rain	19 °C to 22 °C	West to Northeast force <3	06:45 / 18:47
Wednesday 27 September	Overcast to Light rain	20 °C to 23 °C	North to Southwest force <3	06:45 / 18:46
Thursday 28 September	Overcast to Moderate rain	21 °C to 25 °C	Northeast to North force <3	06:46 / 18:45
Friday 29 September	Light rain to Overcast	20 °C to 23 °C	Southwest to Northwest force <3	06:46 / 18:44
Saturday 30 September	Overcast to Moderate rain	21 °C to 25 °C	Northeast to North force 3-4	06:47 / 18:43

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About this data

History pages list the daily readings WuAi Weather archives from public meteorological feeds. They record what was measured in the past, they are not a forecast, and they are provided for reference only.

How to read this forecast

A short guide to Bishan: what these numbers mean and how to plan around them.

Why one day shows two conditions

Forecasts split the day into daytime and night. The daily table gives both, with separate wind, so you know what to expect on the way out and on the way home.

What "to" means between two conditions

In "light rain to moderate rain" the word "to" describes a change during the day, not two things happening at once. Pack for the stronger half.

When the high and low actually happen

The daily maximum usually falls between 14:00 and 16:00, and the minimum around sunrise. Mornings feel colder than the headline number, so dress for the low.

Far forecasts are a trend, not a promise

Days 1 to 3 are reliable. Days 7 to 15 shift as systems are re-run, so treat them as a direction and re-check three days before anything important.

Reading wind force

Force is the Beaufort-style scale used by the source service. Up to 4 it barely matters; 5 to 6 makes an umbrella awkward and cycling unstable; 7 and above is when outdoor work, scaffolding and small boats should stop.

AQI is not PM2.5

AQI blends several pollutants, PM2.5 is one measurement. 0 to 50 is excellent, 51 to 100 good, and above 150 sensitive groups should cut hard outdoor exercise; above 200 consider a mask and keep windows shut.

The precipitation figure

The current reading is accumulated rainfall in millimetres over the recent period. Around 10 mm means moderate to heavy rain and puddles, so leave extra time.

Using historical weather

From the city page open History and choose a month to see day-by-day recorded conditions. Historical archives and live forecasts are produced on different pipelines, so small differences are normal.

Frequently asked questions

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Current and hourly data is normally refreshed about every 15 minutes, and the daily forecast once a day. If a number looks frozen, reload the page.

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Short range is accurate, long range is a tendency. Use days 7 to 15 for the shape of the week rather than an exact figure and confirm close to your travel date.

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