Ongole weather in September

In September, Ongole has daytime highs averaging 33 °C, nights around 26 °C, with 16 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

  1. Jan 24°
  2. Feb 25°
  3. Mar 28°
  4. Apr 30°
  5. May 33°
  6. Jun 32°
  7. Jul 30°
  8. Aug 29°
  9. Sep 29°
  10. Oct 28°
  11. Nov 26°
  12. Dec 24°

Daily temperatures through September

23° 30° 36° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 33.3 °C and lows bottom out at 25.3 °C.

How September develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 September 33.0 °C 26.3 °C 44 %
11–20 September 32.9 °C 26.0 °C 58 %
21–30 September 32.5 °C 25.7 °C 54 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in September. Wettest date over the 30 years: September 20, at 70 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical September Share of the month
Days above 25 °C 30 of 30 100 %
Days above 30 °C 27 of 30 90 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 16 of 30 52 %

Conditions in September

MeasureAverage
Mean temperature 29 °C
Record high (1991–2020) 38 °C
Record low (1991–2020) 23 °C
Relative humidity 72 %
Wind speed 15 km/h
Cloud cover 79 %

September compared with the months around it

Month Avg high Rainfall Cloud
July 33.9 °C 113 mm 91 %
August 33.1 °C 118 mm 89 %
September 32.8 °C 133 mm 79 %
October 31.1 °C 175 mm 66 %
November 29.1 °C 112 mm 57 %

See all twelve months for Ongole

QuestionsSeptember in Ongole, answered

How warm is Ongole in September?

Daily highs average 33 °C and nights fall to about 26 °C, a spread of 6.8 °C between afternoon and dawn. That makes September the 6th warmest month of the year here.

Does it rain much in Ongole in September?

September averages 133 mm of rain, spread over about 16 of the 30 days — 52 % of the month. Cloud cover averages 79 % of the sky.

Is the sea warm enough to swim in September?

The sea averages 29 °C off Ongole in September. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in September?

Ongole averages 12 hours between sunrise and sunset in September. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.